pym/emerge/__init__.py

   1 #!/usr/bin/python -O
   2 # Copyright 1999-2006 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4 # $Id: emerge 5976 2007-02-17 09:14:53Z genone $
   5
   6 import sys
   7 # This block ensures that ^C interrupts are handled quietly.
   8 try:
   9         import signal
  10
  11         def exithandler(signum,frame):
  12                 signal.signal(signal.SIGINT, signal.SIG_IGN)
  13                 signal.signal(signal.SIGTERM, signal.SIG_IGN)
  14                 sys.exit(1)
  15
  16         signal.signal(signal.SIGINT, exithandler)
  17         signal.signal(signal.SIGTERM, exithandler)
  18         signal.signal(signal.SIGPIPE, signal.SIG_DFL)
  19
  20 except KeyboardInterrupt:
  21         sys.exit(1)
  22
  23 import os, stat
  24
  25 os.environ["PORTAGE_LEGACY_GLOBALS"] = "false"
  26 try:
  27         import portage
  28 except ImportError:
  29         from os import path as osp
  30         sys.path.insert(0, osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), "pym"))
  31         import portage
  32 del os.environ["PORTAGE_LEGACY_GLOBALS"]
  33 from portage import digraph, portdbapi
  34 from portage.const import NEWS_LIB_PATH, CACHE_PATH
  35
  36 import emerge.help
  37 import portage.xpak, commands, errno, re, socket, time, types
  38 from portage.output import blue, bold, colorize, darkblue, darkgreen, darkred, green, \
  39         havecolor, nc_len, nocolor, red, teal, turquoise, white, xtermTitle, \
  40         xtermTitleReset, yellow
  41 from portage.output import create_color_func
  42 good = create_color_func("GOOD")
  43 bad = create_color_func("BAD")
  44
  45 import portage.dep
  46 portage.dep._dep_check_strict = True
  47 import portage.util
  48 import portage.locks
  49 import portage.exception
  50 from portage.data import secpass
  51 from portage.util import normalize_path as normpath
  52
  53 if not hasattr(__builtins__, "set"):
  54         from sets import Set as set
  55 from itertools import chain, izip
  56 from UserDict import DictMixin
  57
  58 try:
  59         import cPickle
  60 except ImportError:
  61         import pickle as cPickle
  62
  63 class stdout_spinner(object):
  64         scroll_msgs = [
  65                 "Gentoo Rocks ("+os.uname()[0]+")",
  66                 "Thank you for using Gentoo. :)",
  67                 "Are you actually trying to read this?",
  68                 "How many times have you stared at this?",
  69                 "We are generating the cache right now",
  70                 "You are paying too much attention.",
  71                 "A theory is better than its explanation.",
  72                 "Phasers locked on target, Captain.",
  73                 "Thrashing is just virtual crashing.",
  74                 "To be is to program.",
  75                 "Real Users hate Real Programmers.",
  76                 "When all else fails, read the instructions.",
  77                 "Functionality breeds Contempt.",
  78                 "The future lies ahead.",
  79                 "3.1415926535897932384626433832795028841971694",
  80                 "Sometimes insanity is the only alternative.",
  81                 "Inaccuracy saves a world of explanation.",
  82         ]
  83
  84         twirl_sequence = "/-\\|/-\\|/-\\|/-\\|\\-/|\\-/|\\-/|\\-/|"
  85
  86         def __init__(self):
  87                 self.spinpos = 0
  88                 self.update = self.update_twirl
  89                 self.scroll_sequence = self.scroll_msgs[
  90                         int(time.time() * 100) % len(self.scroll_msgs)]
  91
  92         def update_basic(self):
  93                 self.spinpos = (self.spinpos + 1) % 500
  94                 if (self.spinpos % 100) == 0:
  95                         if self.spinpos == 0:
  96                                 sys.stdout.write(". ")
  97                         else:
  98                                 sys.stdout.write(".")
  99                 sys.stdout.flush()
 100
 101         def update_scroll(self):
 102                 if(self.spinpos >= len(self.scroll_sequence)):
 103                         sys.stdout.write(darkgreen(" \b\b\b" + self.scroll_sequence[
 104                                 len(self.scroll_sequence) - 1 - (self.spinpos % len(self.scroll_sequence))]))
 105                 else:
 106                         sys.stdout.write(green("\b " + self.scroll_sequence[self.spinpos]))
 107                 sys.stdout.flush()
 108                 self.spinpos = (self.spinpos + 1) % (2 * len(self.scroll_sequence))
 109
 110         def update_twirl(self):
 111                 self.spinpos = (self.spinpos + 1) % len(self.twirl_sequence)
 112                 sys.stdout.write("\b\b " + self.twirl_sequence[self.spinpos])
 113                 sys.stdout.flush()
 114
 115         def update_quiet(self):
 116                 return
 117
 118 def userquery(prompt, responses=None, colours=None):
 119         """Displays a prompt and a set of responses, then waits for a response
 120         which is checked against the responses and the first to match is
 121         returned.  An empty response will match the first value in responses.  The
 122         input buffer is *not* cleared prior to the prompt!
 123
 124         prompt: a String.
 125         responses: a List of Strings.
 126         colours: a List of Functions taking and returning a String, used to
 127         process the responses for display. Typically these will be functions
 128         like red() but could be e.g. lambda x: "DisplayString".
 129         If responses is omitted, defaults to ["Yes", "No"], [green, red].
 130         If only colours is omitted, defaults to [bold, ...].
 131
 132         Returns a member of the List responses. (If called without optional
 133         arguments, returns "Yes" or "No".)
 134         KeyboardInterrupt is converted to SystemExit to avoid tracebacks being
 135         printed."""
 136         if responses is None:
 137                 responses, colours = ["Yes", "No"], [green, red]
 138         elif colours is None:
 139                 colours=[bold]
 140         colours=(colours*len(responses))[:len(responses)]
 141         print bold(prompt),
 142         try:
 143                 while True:
 144                         response=raw_input("["+"/".join([colours[i](responses[i]) for i in range(len(responses))])+"] ")
 145                         for key in responses:
 146                                 # An empty response will match the first value in responses.
 147                                 if response.upper()==key[:len(response)].upper():
 148                                         return key
 149                         print "Sorry, response '%s' not understood." % response,
 150         except (EOFError, KeyboardInterrupt):
 151                 print "Interrupted."
 152                 sys.exit(1)
 153
 154 actions=[
 155 "clean", "config", "depclean",
 156 "info", "metadata",
 157 "prune", "regen",  "search",
 158 "sync",  "system", "unmerge",  "world",
 159 ]
 160 options=[
 161 "--ask",          "--alphabetical",
 162 "--buildpkg",     "--buildpkgonly",
 163 "--changelog",    "--columns",
 164 "--debug",        "--deep",
 165 "--digest",
 166 "--emptytree",
 167 "--fetchonly",    "--fetch-all-uri",
 168 "--getbinpkg",    "--getbinpkgonly",
 169 "--help",         "--ignore-default-opts",
 170 "--noconfmem",
 171 "--newuse",       "--nocolor",
 172 "--nodeps",       "--noreplace",
 173 "--nospinner",    "--oneshot",
 174 "--onlydeps",     "--pretend",
 175 "--quiet",        "--resume",
 176 "--searchdesc",   "--selective",
 177 "--skipfirst",
 178 "--tree",
 179 "--update",
 180 "--usepkg",       "--usepkgonly",
 181 "--verbose",      "--version"
 182 ]
 183
 184 shortmapping={
 185 "1":"--oneshot",
 186 "a":"--ask",
 187 "b":"--buildpkg",  "B":"--buildpkgonly",
 188 "c":"--clean",     "C":"--unmerge",
 189 "d":"--debug",     "D":"--deep",
 190 "e":"--emptytree",
 191 "f":"--fetchonly", "F":"--fetch-all-uri",
 192 "g":"--getbinpkg", "G":"--getbinpkgonly",
 193 "h":"--help",
 194 "k":"--usepkg",    "K":"--usepkgonly",
 195 "l":"--changelog",
 196 "n":"--noreplace", "N":"--newuse",
 197 "o":"--onlydeps",  "O":"--nodeps",
 198 "p":"--pretend",   "P":"--prune",
 199 "q":"--quiet",
 200 "s":"--search",    "S":"--searchdesc",
 201 't':"--tree",
 202 "u":"--update",
 203 "v":"--verbose",   "V":"--version"
 204 }
 205
 206 def emergelog(xterm_titles, mystr, short_msg=None):
 207         if xterm_titles:
 208                 if short_msg == None:
 209                         short_msg = mystr
 210                 if "HOSTNAME" in os.environ.keys():
 211                         short_msg = os.environ["HOSTNAME"]+": "+short_msg
 212                 xtermTitle(short_msg)
 213         try:
 214                 file_path = "/var/log/emerge.log"
 215                 mylogfile = open(file_path, "a")
 216                 portage.util.apply_secpass_permissions(file_path,
 217                         uid=portage.portage_uid, gid=portage.portage_gid,
 218                         mode=0660)
 219                 mylock = None
 220                 try:
 221                         mylock = portage.locks.lockfile(mylogfile)
 222                         # seek because we may have gotten held up by the lock.
 223                         # if so, we may not be positioned at the end of the file.
 224                         mylogfile.seek(0, 2)
 225                         mylogfile.write(str(time.time())[:10]+": "+mystr+"\n")
 226                         mylogfile.flush()
 227                 finally:
 228                         if mylock:
 229                                 portage.locks.unlockfile(mylock)
 230                         mylogfile.close()
 231         except (IOError,OSError,portage.exception.PortageException), e:
 232                 if secpass >= 1:
 233                         print >> sys.stderr, "emergelog():",e
 234
 235 def countdown(secs=5, doing="Starting"):
 236         if secs:
 237                 print ">>> Waiting",secs,"seconds before starting..."
 238                 print ">>> (Control-C to abort)...\n"+doing+" in: ",
 239                 ticks=range(secs)
 240                 ticks.reverse()
 241                 for sec in ticks:
 242                         sys.stdout.write(colorize("UNMERGE_WARN", str(sec+1)+" "))
 243                         sys.stdout.flush()
 244                         time.sleep(1)
 245                 print
 246
 247 # formats a size given in bytes nicely
 248 def format_size(mysize):
 249         if type(mysize) not in [types.IntType,types.LongType]:
 250                 return str(mysize)
 251         if 0 != mysize % 1024:
 252                 # Always round up to the next kB so that it doesn't show 0 kB when
 253                 # some small file still needs to be fetched.
 254                 mysize += 1024 - mysize % 1024
 255         mystr=str(mysize/1024)
 256         mycount=len(mystr)
 257         while (mycount > 3):
 258                 mycount-=3
 259                 mystr=mystr[:mycount]+","+mystr[mycount:]
 260         return mystr+" kB"
 261
 262
 263 def getgccversion(chost):
 264         """
 265         rtype: C{str}
 266         return:  the current in-use gcc version
 267         """
 268
 269         gcc_ver_command = 'gcc -dumpversion'
 270         gcc_ver_prefix = 'gcc-'
 271
 272         gcc_not_found_error = red(
 273         "!!! No gcc found. You probably need to 'source /etc/profile'\n" +
 274         "!!! to update the environment of this terminal and possibly\n" +
 275         "!!! other terminals also.\n"
 276         )
 277
 278         mystatus, myoutput = commands.getstatusoutput("eselect compiler show")
 279         if mystatus == os.EX_OK and len(myoutput.split("/")) == 2:
 280                 part1, part2 = myoutput.split("/")
 281                 if part1.startswith(chost + "-"):
 282                         return myoutput.replace(chost + "-", gcc_ver_prefix, 1)
 283
 284         mystatus, myoutput = commands.getstatusoutput("gcc-config -c")
 285         if mystatus == os.EX_OK and myoutput.startswith(chost + "-"):
 286                 return myoutput.replace(chost + "-", gcc_ver_prefix, 1)
 287
 288         mystatus, myoutput = commands.getstatusoutput(
 289                 chost + "-" + gcc_ver_command)
 290         if mystatus == os.EX_OK:
 291                 return gcc_ver_prefix + myoutput
 292
 293         mystatus, myoutput = commands.getstatusoutput(gcc_ver_command)
 294         if mystatus == os.EX_OK:
 295                 return gcc_ver_prefix + myoutput
 296
 297         portage.writemsg(gcc_not_found_error, noiselevel=-1)
 298         return "[unavailable]"
 299
 300 def getportageversion(portdir, target_root, profile, chost, vardb):
 301         profilever = "unavailable"
 302         if profile:
 303                 realpath = os.path.realpath(profile)
 304                 basepath   = os.path.realpath(os.path.join(portdir, "profiles"))
 305                 if realpath.startswith(basepath):
 306                         profilever = realpath[1 + len(basepath):]
 307                 else:
 308                         try:
 309                                 profilever = "!" + os.readlink(profile)
 310                         except (OSError):
 311                                 pass
 312                 del realpath, basepath
 313
 314         libcver=[]
 315         libclist  = vardb.match("virtual/libc")
 316         libclist += vardb.match("virtual/glibc")
 317         libclist  = portage.util.unique_array(libclist)
 318         for x in libclist:
 319                 xs=portage.catpkgsplit(x)
 320                 if libcver:
 321                         libcver+=","+"-".join(xs[1:])
 322                 else:
 323                         libcver="-".join(xs[1:])
 324         if libcver==[]:
 325                 libcver="unavailable"
 326
 327         gccver = getgccversion(chost)
 328         unameout=os.uname()[2]+" "+os.uname()[4]
 329
 330         return "Portage " + portage.VERSION +" ("+profilever+", "+gccver+", "+libcver+", "+unameout+")"
 331
 332 def create_depgraph_params(myopts, myaction):
 333         #configure emerge engine parameters
 334         #
 335         # self:      include _this_ package regardless of if it is merged.
 336         # selective: exclude the package if it is merged
 337         # recurse:   go into the dependencies
 338         # deep:      go into the dependencies of already merged packages
 339         # empty:     pretend nothing is merged
 340         myparams = ["recurse"]
 341         add=[]
 342         sub=[]
 343         if "--update" in myopts or \
 344                 "--newuse" in myopts or \
 345                 "--noreplace" in myopts or \
 346                 myaction in ("system", "world"):
 347                 add.extend(["selective"])
 348         if "--emptytree" in myopts:
 349                 add.extend(["empty"])
 350                 sub.extend(["selective"])
 351         if "--nodeps" in myopts:
 352                 sub.extend(["recurse"])
 353         if "--deep" in myopts:
 354                 add.extend(["deep"])
 355         for x in add:
 356                 if (x not in myparams) and (x not in sub):
 357                         myparams.append(x)
 358         for x in sub:
 359                 if x in myparams:
 360                         myparams.remove(x)
 361         return myparams
 362
 363 # search functionality
 364 class search:
 365
 366         #
 367         # class constants
 368         #
 369         VERSION_SHORT=1
 370         VERSION_RELEASE=2
 371
 372         #
 373         # public interface
 374         #
 375         def __init__(self, settings, portdb, vartree, spinner, searchdesc,
 376                 verbose):
 377                 """Searches the available and installed packages for the supplied search key.
 378                 The list of available and installed packages is created at object instantiation.
 379                 This makes successive searches faster."""
 380                 self.settings = settings
 381                 self.portdb = portdb
 382                 self.vartree = vartree
 383                 self.spinner = spinner
 384                 self.verbose = verbose
 385                 self.searchdesc = searchdesc
 386
 387         def execute(self,searchkey):
 388                 """Performs the search for the supplied search key"""
 389                 match_category = 0
 390                 self.searchkey=searchkey
 391                 self.packagematches = []
 392                 if self.searchdesc:
 393                         self.searchdesc=1
 394                         self.matches = {"pkg":[], "desc":[]}
 395                 else:
 396                         self.searchdesc=0
 397                         self.matches = {"pkg":[]}
 398                 print "Searching...   ",
 399
 400                 regexsearch = False
 401                 if self.searchkey[0] == '%':
 402                         regexsearch = True
 403                         self.searchkey = self.searchkey[1:]
 404                 if self.searchkey[0] == '@':
 405                         match_category = 1
 406                         self.searchkey = self.searchkey[1:]
 407                 if regexsearch:
 408                         self.searchre=re.compile(self.searchkey,re.I)
 409                 else:
 410                         self.searchre=re.compile(re.escape(self.searchkey), re.I)
 411                 for package in self.portdb.cp_all():
 412                         self.spinner.update()
 413
 414                         if match_category:
 415                                 match_string  = package[:]
 416                         else:
 417                                 match_string  = package.split("/")[-1]
 418
 419                         masked=0
 420                         if self.searchre.search(match_string):
 421                                 if not self.portdb.xmatch("match-visible", package):
 422                                         masked=1
 423                                 self.matches["pkg"].append([package,masked])
 424                         elif self.searchdesc: # DESCRIPTION searching
 425                                 full_package = self.portdb.xmatch("bestmatch-visible", package)
 426                                 if not full_package:
 427                                         #no match found; we don't want to query description
 428                                         full_package = portage.best(
 429                                                 self.portdb.xmatch("match-all", package))
 430                                         if not full_package:
 431                                                 continue
 432                                         else:
 433                                                 masked=1
 434                                 try:
 435                                         full_desc = self.portdb.aux_get(
 436                                                 full_package, ["DESCRIPTION"])[0]
 437                                 except KeyError:
 438                                         print "emerge: search: aux_get() failed, skipping"
 439                                         continue
 440                                 if self.searchre.search(full_desc):
 441                                         self.matches["desc"].append([full_package,masked])
 442                 self.mlen=0
 443                 for mtype in self.matches.keys():
 444                         self.matches[mtype].sort()
 445                         self.mlen += len(self.matches[mtype])
 446
 447         def output(self):
 448                 """Outputs the results of the search."""
 449                 print "\b\b  \n[ Results for search key : "+white(self.searchkey)+" ]"
 450                 print "[ Applications found : "+white(str(self.mlen))+" ]"
 451                 print " "
 452                 for mtype in self.matches.keys():
 453                         for match,masked in self.matches[mtype]:
 454                                 if mtype=="pkg":
 455                                         catpack=match
 456                                         full_package = self.portdb.xmatch(
 457                                                 "bestmatch-visible", match)
 458                                         if not full_package:
 459                                                 #no match found; we don't want to query description
 460                                                 masked=1
 461                                                 full_package = portage.best(
 462                                                         self.portdb.xmatch("match-all",match))
 463                                 else:
 464                                         full_package = match
 465                                         match        = portage.pkgsplit(match)[0]
 466
 467                                 if full_package:
 468                                         try:
 469                                                 desc, homepage, license = self.portdb.aux_get(
 470                                                         full_package, ["DESCRIPTION","HOMEPAGE","LICENSE"])
 471                                         except KeyError:
 472                                                 print "emerge: search: aux_get() failed, skipping"
 473                                                 continue
 474                                         if masked:
 475                                                 print green("*")+"  "+white(match)+" "+red("[ Masked ]")
 476                                         else:
 477                                                 print green("*")+"  "+white(match)
 478                                         myversion = self.getVersion(full_package, search.VERSION_RELEASE)
 479
 480                                         mysum = [0,0]
 481                                         mycat = match.split("/")[0]
 482                                         mypkg = match.split("/")[1]
 483                                         mycpv = match + "-" + myversion
 484                                         myebuild = self.portdb.findname(mycpv)
 485                                         pkgdir = os.path.dirname(myebuild)
 486                                         from portage import manifest
 487                                         mf = manifest.Manifest(
 488                                                 pkgdir, self.settings["DISTDIR"])
 489                                         fetchlist = self.portdb.getfetchlist(mycpv,
 490                                                 mysettings=self.settings, all=True)[1]
 491                                         try:
 492                                                 mysum[0] = mf.getDistfilesSize(fetchlist)
 493                                                 mystr = str(mysum[0]/1024)
 494                                                 mycount=len(mystr)
 495                                                 while (mycount > 3):
 496                                                         mycount-=3
 497                                                         mystr=mystr[:mycount]+","+mystr[mycount:]
 498                                                 mysum[0]=mystr+" kB"
 499                                         except KeyError, e:
 500                                                 mysum[0] = "Unknown (missing digest for %s)" % str(e)
 501
 502                                         if self.verbose:
 503                                                 print "     ", darkgreen("Latest version available:"),myversion
 504                                                 print "     ", self.getInstallationStatus(mycat+'/'+mypkg)
 505                                                 print "     ", darkgreen("Size of files:"),mysum[0]
 506                                                 print "     ", darkgreen("Homepage:")+"     ",homepage
 507                                                 print "     ", darkgreen("Description:")+"  ",desc
 508                                                 print "     ", darkgreen("License:")+"      ",license
 509                                                 print
 510                 print
 511         #
 512         # private interface
 513         #
 514         def getInstallationStatus(self,package):
 515                 installed_package = self.vartree.dep_bestmatch(package)
 516                 result = ""
 517                 version = self.getVersion(installed_package,search.VERSION_RELEASE)
 518                 if len(version) > 0:
 519                         result = darkgreen("Latest version installed:")+" "+version
 520                 else:
 521                         result = darkgreen("Latest version installed:")+" [ Not Installed ]"
 522                 return result
 523
 524         def getVersion(self,full_package,detail):
 525                 if len(full_package) > 1:
 526                         package_parts = portage.catpkgsplit(full_package)
 527                         if detail == search.VERSION_RELEASE and package_parts[3] != 'r0':
 528                                 result = package_parts[2]+ "-" + package_parts[3]
 529                         else:
 530                                 result = package_parts[2]
 531                 else:
 532                         result = ""
 533                 return result
 534
 535
 536 #build our package digraph
 537 def getlist(settings, mode):
 538         if mode=="system":
 539                 mylines = settings.packages
 540         elif mode=="world":
 541                 try:
 542                         file_path = os.path.join(settings["ROOT"], portage.WORLD_FILE)
 543                         myfile = open(file_path, "r")
 544                         mylines = myfile.readlines()
 545                         myfile.close()
 546                 except (OSError, IOError), e:
 547                         if e.errno == errno.ENOENT:
 548                                 portage.writemsg("\n!!! World file does not exist: '%s'\n" % file_path)
 549                                 mylines=[]
 550                         else:
 551                                 raise
 552         mynewlines=[]
 553         for x in mylines:
 554                 myline=" ".join(x.split())
 555                 if not len(myline):
 556                         continue
 557                 elif myline[0]=="#":
 558                         continue
 559                 elif mode=="system":
 560                         if myline[0]!="*":
 561                                 continue
 562                         myline=myline[1:]
 563                 mynewlines.append(myline.strip())
 564
 565         return mynewlines
 566
 567 def clean_world(vardb, cpv):
 568         """Remove a package from the world file when unmerged."""
 569         world_filename = os.path.join(vardb.root, portage.WORLD_FILE)
 570         worldlist = portage.util.grabfile(world_filename)
 571         mykey = portage.cpv_getkey(cpv)
 572         newworldlist = []
 573         for x in worldlist:
 574                 if portage.dep_getkey(x) == mykey:
 575                         matches = vardb.match(x, use_cache=0)
 576                         if not matches:
 577                                 #zap our world entry
 578                                 pass
 579                         elif len(matches) == 1 and matches[0] == cpv:
 580                                 #zap our world entry
 581                                 pass
 582                         else:
 583                                 #others are around; keep it.
 584                                 newworldlist.append(x)
 585                 else:
 586                         #this doesn't match the package we're unmerging; keep it.
 587                         newworldlist.append(x)
 588
 589         portage.util.ensure_dirs(os.path.join(vardb.root, portage.PRIVATE_PATH),
 590                 gid=portage.portage_gid, mode=02770)
 591         portage.util.write_atomic(world_filename, "\n".join(newworldlist))
 592
 593 def genericdict(mylist):
 594         mynewdict={}
 595         for x in mylist:
 596                 mynewdict[portage.dep_getkey(x)]=x
 597         return mynewdict
 598
 599 def filter_iuse_defaults(iuse):
 600         for flag in iuse:
 601                 if flag.startswith("+"):
 602                         yield flag[1:]
 603                 else:
 604                         yield flag
 605
 606 class DepPriority(object):
 607         """
 608                 This class generates an integer priority level based of various
 609                 attributes of the dependency relationship.  Attributes can be assigned
 610                 at any time and the new integer value will be generated on calls to the
 611                 __int__() method.  Rich comparison operators are supported.
 612
 613                 The boolean attributes that affect the integer value are "satisfied",
 614                 "buildtime", "runtime", and "system".  Various combinations of
 615                 attributes lead to the following priority levels:
 616
 617                 Combination of properties    Priority level
 618
 619                 not satisfied and buildtime     0
 620                 not satisfied and runtime      -1
 621                 satisfied and buildtime        -2
 622                 satisfied and runtime          -3
 623                 (none of the above)            -4
 624
 625                 Several integer constants are defined for categorization of priority
 626                 levels:
 627
 628                 MEDIUM   The upper boundary for medium dependencies.
 629                 SOFT     The upper boundary for soft dependencies.
 630                 MIN      The lower boundary for soft dependencies.
 631         """
 632         __slots__ = ("__weakref__", "satisfied", "buildtime", "runtime")
 633         MEDIUM = -1
 634         SOFT   = -2
 635         MIN    = -4
 636         def __init__(self, **kwargs):
 637                 for myattr in self.__slots__:
 638                         if myattr == "__weakref__":
 639                                 continue
 640                         myvalue = kwargs.get(myattr, False)
 641                         setattr(self, myattr, myvalue)
 642         def __int__(self):
 643                 if not self.satisfied:
 644                         if self.buildtime:
 645                                 return 0
 646                         if self.runtime:
 647                                 return -1
 648                 if self.buildtime:
 649                         return -2
 650                 if self.runtime:
 651                         return -3
 652                 return -4
 653         def __lt__(self, other):
 654                 return self.__int__() < other
 655         def __le__(self, other):
 656                 return self.__int__() <= other
 657         def __eq__(self, other):
 658                 return self.__int__() == other
 659         def __ne__(self, other):
 660                 return self.__int__() != other
 661         def __gt__(self, other):
 662                 return self.__int__() > other
 663         def __ge__(self, other):
 664                 return self.__int__() >= other
 665         def copy(self):
 666                 import copy
 667                 return copy.copy(self)
 668         def __str__(self):
 669                 myvalue = self.__int__()
 670                 if myvalue > self.MEDIUM:
 671                         return "hard"
 672                 if myvalue > self.SOFT:
 673                         return "medium"
 674                 return "soft"
 675
 676 class FakeVartree(portage.vartree):
 677         """This is implements an in-memory copy of a vartree instance that provides
 678         all the interfaces required for use by the depgraph.  The vardb is locked
 679         during the constructor call just long enough to read a copy of the
 680         installed package information.  This allows the depgraph to do it's
 681         dependency calculations without holding a lock on the vardb.  It also
 682         allows things like vardb global updates to be done in memory so that the
 683         user doesn't necessarily need write access to the vardb in cases where
 684         global updates are necessary (updates are performed when necessary if there
 685         is not a matching ebuild in the tree)."""
 686         def __init__(self, real_vartree, portdb):
 687                 self.root = real_vartree.root
 688                 self.settings = real_vartree.settings
 689                 self.dbapi = portage.fakedbapi(settings=real_vartree.settings)
 690                 vdb_path = os.path.join(self.root, portage.VDB_PATH)
 691                 try:
 692                         # At least the parent needs to exist for the lock file.
 693                         portage.util.ensure_dirs(vdb_path)
 694                 except portage.exception.PortageException:
 695                         pass
 696                 vdb_lock = None
 697                 try:
 698                         if os.access(vdb_path, os.W_OK):
 699                                 vdb_lock = portage.locks.lockdir(vdb_path)
 700                         mykeys = ["SLOT", "COUNTER", "PROVIDE", "USE", "IUSE",
 701                                 "DEPEND", "RDEPEND", "PDEPEND"]
 702                         real_dbapi = real_vartree.dbapi
 703                         slot_counters = {}
 704                         for cpv in real_dbapi.cpv_all():
 705                                 metadata = dict(izip(mykeys, real_dbapi.aux_get(cpv, mykeys)))
 706                                 myslot = metadata["SLOT"]
 707                                 mycp = portage.dep_getkey(cpv)
 708                                 myslot_atom = "%s:%s" % (mycp, myslot)
 709                                 try:
 710                                         mycounter = long(metadata["COUNTER"])
 711                                 except ValueError:
 712                                         mycounter = 0
 713                                         metadata["COUNTER"] = str(mycounter)
 714                                 other_counter = slot_counters.get(myslot_atom, None)
 715                                 if other_counter is not None:
 716                                         if other_counter > mycounter:
 717                                                 continue
 718                                 slot_counters[myslot_atom] = mycounter
 719                                 self.dbapi.cpv_inject(cpv, metadata=metadata)
 720                         real_dbapi.flush_cache()
 721                 finally:
 722                         if vdb_lock:
 723                                 portage.locks.unlockdir(vdb_lock)
 724                 # Populate the old-style virtuals using the cached values.
 725                 if not self.settings.treeVirtuals:
 726                         self.settings.treeVirtuals = portage.util.map_dictlist_vals(
 727                                 portage.getCPFromCPV, self.get_all_provides())
 728
 729                 # Intialize variables needed for lazy cache pulls of the live ebuild
 730                 # metadata.  This ensures that the vardb lock is released ASAP, without
 731                 # being delayed in case cache generation is triggered.
 732                 self._aux_get = self.dbapi.aux_get
 733                 self.dbapi.aux_get = self._aux_get_wrapper
 734                 self._aux_get_history = set()
 735                 self._portdb_keys = ["DEPEND", "RDEPEND", "PDEPEND"]
 736                 self._portdb = portdb
 737                 self._global_updates = None
 738
 739         def _aux_get_wrapper(self, pkg, wants):
 740                 if pkg in self._aux_get_history:
 741                         return self._aux_get(pkg, wants)
 742                 self._aux_get_history.add(pkg)
 743                 try:
 744                         # Use the live ebuild metadata if possible.
 745                         live_metadata = dict(izip(self._portdb_keys,
 746                                 self._portdb.aux_get(pkg, self._portdb_keys)))
 747                         self.dbapi.aux_update(pkg, live_metadata)
 748                 except (KeyError, portage.exception.PortageException):
 749                         if self._global_updates is None:
 750                                 self._global_updates = \
 751                                         grab_global_updates(self._portdb.porttree_root)
 752                         perform_global_updates(
 753                                 pkg, self.dbapi, self._global_updates)
 754                 return self._aux_get(pkg, wants)
 755
 756 def grab_global_updates(portdir):
 757         from portage.update import grab_updates, parse_updates
 758         updpath = os.path.join(portdir, "profiles", "updates")
 759         try:
 760                 rawupdates = grab_updates(updpath)
 761         except portage.exception.DirectoryNotFound:
 762                 rawupdates = []
 763         upd_commands = []
 764         for mykey, mystat, mycontent in rawupdates:
 765                 commands, errors = parse_updates(mycontent)
 766                 upd_commands.extend(commands)
 767         return upd_commands
 768
 769 def perform_global_updates(mycpv, mydb, mycommands):
 770         from portage.update import update_dbentries
 771         aux_keys = ["DEPEND", "RDEPEND", "PDEPEND"]
 772         aux_dict = dict(izip(aux_keys, mydb.aux_get(mycpv, aux_keys)))
 773         updates = update_dbentries(mycommands, aux_dict)
 774         if updates:
 775                 mydb.aux_update(mycpv, updates)
 776
 777 class BlockerCache(DictMixin):
 778         """This caches blockers of installed packages so that dep_check does not
 779         have to be done for every single installed package on every invocation of
 780         emerge.  The cache is invalidated whenever it is detected that something
 781         has changed that might alter the results of dep_check() calls:
 782                 1) the set of installed packages (including COUNTER) has changed
 783                 2) the old-style virtuals have changed
 784         """
 785         class BlockerData(object):
 786                 def __init__(self, counter, atoms):
 787                         self.counter = counter
 788                         self.atoms = atoms
 789
 790         def __init__(self, myroot, vardb):
 791                 self._vardb = vardb
 792                 self._installed_pkgs = set(vardb.cpv_all())
 793                 self._virtuals = vardb.settings.getvirtuals()
 794                 self._cache_filename = os.path.join(myroot,
 795                         portage.CACHE_PATH.lstrip(os.path.sep), "vdb_blockers.pickle")
 796                 self._cache_version = "1"
 797                 self._cache_data = None
 798                 self._modified = False
 799                 self._load()
 800
 801         def _load(self):
 802                 try:
 803                         f = open(self._cache_filename)
 804                         mypickle = cPickle.Unpickler(f)
 805                         mypickle.find_global = None
 806                         self._cache_data = mypickle.load()
 807                         f.close()
 808                         del f
 809                 except (IOError, OSError, EOFError, cPickle.UnpicklingError):
 810                         pass
 811                 cache_valid = self._cache_data and \
 812                         isinstance(self._cache_data, dict) and \
 813                         self._cache_data.get("version") == self._cache_version and \
 814                         self._cache_data.get("virtuals") == self._virtuals and \
 815                         set(self._cache_data.get("blockers", [])) == self._installed_pkgs
 816                 if cache_valid:
 817                         for pkg in self._installed_pkgs:
 818                                 if long(self._vardb.aux_get(pkg, ["COUNTER"])[0]) != \
 819                                         self[pkg].counter:
 820                                         cache_valid = False
 821                                         break
 822                 if not cache_valid:
 823                         self._cache_data = {"version":self._cache_version}
 824                         self._cache_data["blockers"] = {}
 825                         self._cache_data["virtuals"] = self._virtuals
 826                 self._modified = False
 827
 828         def flush(self):
 829                 """If the current user has permission and the internal blocker cache
 830                 been updated, save it to disk and mark it unmodified.  This is called
 831                 by emerge after it has proccessed blockers for all installed packages.
 832                 Currently, the cache is only written if the user has superuser
 833                 privileges (since that's required to obtain a lock), but all users
 834                 have read access and benefit from faster blocker lookups (as long as
 835                 the entire cache is still valid).  The cache is stored as a pickled
 836                 dict object with the following format:
 837
 838                 {
 839                         version : "1",
 840                         "blockers" : {cpv1:(counter,(atom1, atom2...)), cpv2...},
 841                         "virtuals" : vardb.settings.getvirtuals()
 842                 }
 843                 """
 844                 if self._modified and \
 845                         secpass >= 2:
 846                         try:
 847                                 f = portage.util.atomic_ofstream(self._cache_filename)
 848                                 cPickle.dump(self._cache_data, f, -1)
 849                                 f.close()
 850                                 portage.util.apply_secpass_permissions(
 851                                         self._cache_filename, gid=portage.portage_gid, mode=0644)
 852                         except (IOError, OSError), e:
 853                                 pass
 854                         self._modified = False
 855
 856         def __setitem__(self, cpv, blocker_data):
 857                 """
 858                 Update the cache and mark it as modified for a future call to
 859                 self.flush().
 860
 861                 @param cpv: Package for which to cache blockers.
 862                 @type cpv: String
 863                 @param blocker_data: An object with counter and atoms attributes.
 864                 @type blocker_data: BlockerData
 865                 """
 866                 self._cache_data["blockers"][cpv] = \
 867                         (blocker_data.counter, blocker_data.atoms)
 868                 self._modified = True
 869
 870         def __getitem__(self, cpv):
 871                 """
 872                 @rtype: BlockerData
 873                 @returns: An object with counter and atoms attributes.
 874                 """
 875                 return self.BlockerData(*self._cache_data["blockers"][cpv])
 876
 877 def show_invalid_depstring_notice(parent_node, depstring, error_msg):
 878
 879         from formatter import AbstractFormatter, DumbWriter
 880         f = AbstractFormatter(DumbWriter(maxcol=72))
 881
 882         print "\n\n!!! Invalid or corrupt dependency specification: "
 883         print
 884         print error_msg
 885         print
 886         print parent_node
 887         print
 888         print depstring
 889         print
 890         p_type, p_root, p_key, p_status = parent_node
 891         msg = []
 892         if p_status == "nomerge":
 893                 category, pf = portage.catsplit(p_key)
 894                 pkg_location = os.path.join(p_root, portage.VDB_PATH, category, pf)
 895                 msg.append("Portage is unable to process the dependencies of the ")
 896                 msg.append("'%s' package. " % p_key)
 897                 msg.append("In order to correct this problem, the package ")
 898                 msg.append("should be uninstalled, reinstalled, or upgraded. ")
 899                 msg.append("As a temporary workaround, the --nodeps option can ")
 900                 msg.append("be used to ignore all dependencies.  For reference, ")
 901                 msg.append("the problematic dependencies can be found in the ")
 902                 msg.append("*DEPEND files located in '%s/'." % pkg_location)
 903         else:
 904                 msg.append("This package can not be installed.  ")
 905                 msg.append("Please notify the '%s' package maintainer " % p_key)
 906                 msg.append("about this problem.")
 907
 908         for x in msg:
 909                 f.add_flowing_data(x)
 910         f.end_paragraph(1)
 911
 912 class depgraph:
 913
 914         pkg_tree_map = {
 915                 "ebuild":"porttree",
 916                 "binary":"bintree",
 917                 "installed":"vartree"}
 918
 919         def __init__(self, settings, trees, myopts, myparams, spinner):
 920                 self.settings = settings
 921                 self.target_root = settings["ROOT"]
 922                 self.myopts = myopts
 923                 self.myparams = myparams
 924                 self.edebug = 0
 925                 if settings.get("PORTAGE_DEBUG", "") == "1":
 926                         self.edebug = 1
 927                 self.spinner = spinner
 928                 self.pkgsettings = {}
 929                 # Maps cpv to digraph node for all nodes added to the graph.
 930                 self.pkg_node_map = {}
 931                 # Maps slot atom to digraph node for all nodes added to the graph.
 932                 self._slot_node_map = {}
 933                 self.mydbapi = {}
 934                 self._mydbapi_keys = ["SLOT", "DEPEND", "RDEPEND", "PDEPEND"]
 935                 self.useFlags = {}
 936                 self.trees = {}
 937                 for myroot in trees:
 938                         self.trees[myroot] = {}
 939                         for tree in ("porttree", "bintree"):
 940                                 self.trees[myroot][tree] = trees[myroot][tree]
 941                         self.trees[myroot]["vartree"] = \
 942                                 FakeVartree(trees[myroot]["vartree"],
 943                                         trees[myroot]["porttree"].dbapi)
 944                         self.pkgsettings[myroot] = portage.config(
 945                                 clone=self.trees[myroot]["vartree"].settings)
 946                         self.pkg_node_map[myroot] = {}
 947                         self._slot_node_map[myroot] = {}
 948                         vardb = self.trees[myroot]["vartree"].dbapi
 949                         # This fakedbapi instance will model the state that the vdb will
 950                         # have after new packages have been installed.
 951                         fakedb = portage.fakedbapi(settings=self.pkgsettings[myroot])
 952                         self.mydbapi[myroot] = fakedb
 953                         if "--nodeps" not in self.myopts and \
 954                                 "--buildpkgonly" not in self.myopts:
 955                                 # --nodeps bypasses this, since it isn't needed in this case
 956                                 # and the cache pulls might trigger (slow) cache generation.
 957                                 for pkg in vardb.cpv_all():
 958                                         self.spinner.update()
 959                                         fakedb.cpv_inject(pkg,
 960                                                 metadata=dict(izip(self._mydbapi_keys,
 961                                                 vardb.aux_get(pkg, self._mydbapi_keys))))
 962                         del vardb, fakedb
 963                         self.useFlags[myroot] = {}
 964                         if "--usepkg" in self.myopts:
 965                                 self.trees[myroot]["bintree"].populate(
 966                                         "--getbinpkg" in self.myopts,
 967                                         "--getbinpkgonly" in self.myopts)
 968                 del trees
 969
 970                 self.missingbins=[]
 971                 self.digraph=portage.digraph()
 972                 # Tracks simple parent/child relationships (PDEPEND relationships are
 973                 # not reversed).
 974                 self._parent_child_digraph = digraph()
 975                 self.orderedkeys=[]
 976                 self.outdatedpackages=[]
 977                 self.args_keys = []
 978                 self.blocker_digraph = digraph()
 979                 self.blocker_parents = {}
 980                 self._unresolved_blocker_parents = {}
 981                 self._slot_collision_info = []
 982                 # Slot collision nodes are not allowed to block other packages since
 983                 # blocker validation is only able to account for one package per slot.
 984                 self._slot_collision_nodes = set()
 985                 self._altlist_cache = {}
 986                 self._pprovided_args = []
 987
 988         def _show_slot_collision_notice(self, packages):
 989                 """Show an informational message advising the user to mask one of the
 990                 the packages. In some cases it may be possible to resolve this
 991                 automatically, but support for backtracking (removal nodes that have
 992                 already been selected) will be required in order to handle all possible
 993                 cases."""
 994
 995                 msg = []
 996                 msg.append("\n!!! Multiple versions within a single " + \
 997                         "package slot have been \n")
 998                 msg.append("!!! pulled into the dependency graph:\n\n")
 999                 for node, parents in packages:
1000                         msg.append(str(node))
1001                         if parents:
1002                                 msg.append(" pulled in by\n")
1003                                 for parent in parents:
1004                                         msg.append("  ")
1005                                         msg.append(str(parent))
1006                                         msg.append("\n")
1007                         else:
1008                                 msg.append(" (no parents)\n")
1009                         msg.append("\n")
1010                 sys.stderr.write("".join(msg))
1011                 sys.stderr.flush()
1012
1013                 if "--quiet" in self.myopts:
1014                         return
1015
1016                 msg = []
1017                 msg.append("It may be possible to solve this problem ")
1018                 msg.append("by using package.mask to prevent one of ")
1019                 msg.append("those packages from being selected. ")
1020                 msg.append("However, it is also possible that conflicting ")
1021                 msg.append("dependencies exist such that they are impossible to ")
1022                 msg.append("satisfy simultaneously.  If such a conflict exists in ")
1023                 msg.append("the dependencies of two different packages, then those ")
1024                 msg.append("packages can not be installed simultaneously.")
1025
1026                 from formatter import AbstractFormatter, DumbWriter
1027                 f = AbstractFormatter(DumbWriter(sys.stderr, maxcol=72))
1028                 for x in msg:
1029                         f.add_flowing_data(x)
1030                 f.end_paragraph(1)
1031
1032                 msg = []
1033                 msg.append("For more information, see MASKED PACKAGES ")
1034                 msg.append("section in the emerge man page or refer ")
1035                 msg.append("to the Gentoo Handbook.")
1036                 for x in msg:
1037                         f.add_flowing_data(x)
1038                 f.end_paragraph(1)
1039                 f.writer.flush()
1040
1041         def create(self, mybigkey, myparent=None, addme=1, myuse=None,
1042                 priority=DepPriority(), rev_dep=False, arg=None):
1043                 """
1044                 Fills the digraph with nodes comprised of packages to merge.
1045                 mybigkey is the package spec of the package to merge.
1046                 myparent is the package depending on mybigkey ( or None )
1047                 addme = Should we add this package to the digraph or are we just looking at it's deps?
1048                         Think --onlydeps, we need to ignore packages in that case.
1049                 #stuff to add:
1050                 #SLOT-aware emerge
1051                 #IUSE-aware emerge -> USE DEP aware depgraph
1052                 #"no downgrade" emerge
1053                 """
1054                 mytype, myroot, mykey = mybigkey
1055                 existing_node = None
1056                 if addme:
1057                         existing_node = self.pkg_node_map[myroot].get(mykey)
1058                 if existing_node:
1059                         self._parent_child_digraph.add(existing_node, myparent)
1060                         if existing_node != myparent:
1061                                 # Refuse to make a node depend on itself so that the we don't
1062                                 # don't create a bogus circular dependency in self.altlist().
1063                                 if rev_dep and myparent:
1064                                         self.digraph.addnode(myparent, existing_node,
1065                                                 priority=priority)
1066                                 else:
1067                                         self.digraph.addnode(existing_node, myparent,
1068                                                 priority=priority)
1069                         return 1
1070
1071                 if "--nodeps" not in self.myopts:
1072                         self.spinner.update()
1073                 if mytype == "blocks":
1074                         if myparent and \
1075                                 "--buildpkgonly" not in self.myopts and \
1076                                 "--nodeps" not in self.myopts and \
1077                                 myparent not in self._slot_collision_nodes:
1078                                 mybigkey[1] = myparent[1]
1079                                 self.blocker_parents.setdefault(
1080                                         tuple(mybigkey), set()).add(myparent)
1081                         return 1
1082                 if not arg and myroot == self.target_root:
1083                         arg = portage.best_match_to_list(mykey, self.args_keys)
1084                 # select the correct /var database that we'll be checking against
1085                 vardbapi = self.trees[myroot]["vartree"].dbapi
1086                 portdb = self.trees[myroot]["porttree"].dbapi
1087                 bindb = self.trees[myroot]["bintree"].dbapi
1088                 pkgsettings = self.pkgsettings[myroot]
1089
1090                 # if the package is already on the system, we add a "nomerge"
1091                 # directive, otherwise we add a "merge" directive.
1092
1093                 mydbapi = self.trees[myroot][self.pkg_tree_map[mytype]].dbapi
1094
1095                 if myuse is None:
1096                         self.pkgsettings[myroot].setcpv(mykey, mydb=portdb)
1097                         myuse = self.pkgsettings[myroot]["USE"].split()
1098
1099                 merging=1
1100                 if mytype == "installed":
1101                         merging = 0
1102                 if addme and mytype != "installed":
1103                 # this is where we add the node to the list of packages to merge
1104                         if "selective" in self.myparams or not arg:
1105                                 if "empty" not in self.myparams and vardbapi.cpv_exists(mykey):
1106                                         merging=0
1107
1108                         """ If we aren't merging, perform the --newuse check.
1109                             If the package has new iuse flags or different use flags then if
1110                             --newuse is specified, we need to merge the package. """
1111                         if merging==0 and "--newuse" in self.myopts and \
1112                                 vardbapi.cpv_exists(mykey):
1113                                 pkgsettings.setcpv(mykey, mydb=mydbapi)
1114                                 forced_flags = set()
1115                                 forced_flags.update(pkgsettings.useforce)
1116                                 forced_flags.update(pkgsettings.usemask)
1117                                 old_use = vardbapi.aux_get(mykey, ["USE"])[0].split()
1118                                 iuses = set(filter_iuse_defaults(
1119                                         mydbapi.aux_get(mykey, ["IUSE"])[0].split()))
1120                                 old_iuse = set(filter_iuse_defaults(
1121                                         vardbapi.aux_get(mykey, ["IUSE"])[0].split()))
1122                                 if iuses.symmetric_difference(
1123                                         old_iuse).difference(forced_flags):
1124                                         merging = 1
1125                                 elif old_iuse.intersection(old_use) != \
1126                                         iuses.intersection(myuse):
1127                                         merging=1
1128
1129                 if addme and merging == 1:
1130                         mybigkey.append("merge")
1131                 else:
1132                         mybigkey.append("nomerge")
1133                 jbigkey = tuple(mybigkey)
1134
1135                 if addme:
1136                         metadata = dict(izip(self._mydbapi_keys,
1137                                 mydbapi.aux_get(mykey, self._mydbapi_keys)))
1138                         if merging == 0 and vardbapi.cpv_exists(mykey) and \
1139                                 mytype != "installed":
1140                                 mybigkey[0] = "installed"
1141                                 mydbapi = vardbapi
1142                                 jbigkey = tuple(mybigkey)
1143                                 metadata = dict(izip(self._mydbapi_keys,
1144                                         mydbapi.aux_get(mykey, self._mydbapi_keys)))
1145                                 myuse = mydbapi.aux_get(mykey, ["USE"])[0].split()
1146                         slot_atom = "%s:%s" % (portage.dep_getkey(mykey), metadata["SLOT"])
1147                         existing_node = self._slot_node_map[myroot].get(
1148                                 slot_atom, None)
1149                         slot_collision = False
1150                         if existing_node:
1151                                 e_type, myroot, e_cpv, e_status = existing_node
1152                                 if mykey == e_cpv:
1153                                         # The existing node can be reused.
1154                                         self._parent_child_digraph.add(existing_node, myparent)
1155                                         if rev_dep and myparent:
1156                                                 ptype, proot, pkey, pstatus = myparent
1157                                                 self.digraph.addnode(myparent, existing_node,
1158                                                         priority=priority)
1159                                         else:
1160                                                 self.digraph.addnode(existing_node, myparent,
1161                                                         priority=priority)
1162                                         return 1
1163                                 else:
1164                                         # A slot collision has occurred.  Sometimes this coincides
1165                                         # with unresolvable blockers, so the slot collision will be
1166                                         # shown later if there are no unresolvable blockers.
1167                                         e_parents = self._parent_child_digraph.parent_nodes(
1168                                                 existing_node)
1169                                         myparents = []
1170                                         if myparent:
1171                                                 myparents.append(myparent)
1172                                         self._slot_collision_info.append(
1173                                                 ((jbigkey, myparents), (existing_node, e_parents)))
1174                                         self._slot_collision_nodes.add(jbigkey)
1175                                         slot_collision = True
1176
1177                         if slot_collision:
1178                                 # Now add this node to the graph so that self.display()
1179                                 # can show use flags and --tree portage.output.  This node is
1180                                 # only being partially added to the graph.  It must not be
1181                                 # allowed to interfere with the other nodes that have been
1182                                 # added.  Do not overwrite data for existing nodes in
1183                                 # self.pkg_node_map and self.mydbapi since that data will
1184                                 # be used for blocker validation.
1185                                 self.pkg_node_map[myroot].setdefault(mykey, jbigkey)
1186                                 self.useFlags[myroot].setdefault(mykey, myuse)
1187                                 # Even though the graph is now invalid, continue to process
1188                                 # dependencies so that things like --fetchonly can still
1189                                 # function despite collisions.
1190                         else:
1191                                 self.mydbapi[myroot].cpv_inject(mykey, metadata=metadata)
1192                                 self._slot_node_map[myroot][slot_atom] = jbigkey
1193                                 self.pkg_node_map[myroot][mykey] = jbigkey
1194                                 self.useFlags[myroot][mykey] = myuse
1195
1196                         if rev_dep and myparent:
1197                                 self.digraph.addnode(myparent, jbigkey,
1198                                         priority=priority)
1199                         else:
1200                                 self.digraph.addnode(jbigkey, myparent,
1201                                         priority=priority)
1202
1203                 # Do this even when addme is False (--onlydeps) so that the
1204                 # parent/child relationship is always known in case
1205                 # self._show_slot_collision_notice() needs to be called later.
1206                 self._parent_child_digraph.add(jbigkey, myparent)
1207
1208                 """ This section determines whether we go deeper into dependencies or not.
1209                     We want to go deeper on a few occasions:
1210                     Installing package A, we need to make sure package A's deps are met.
1211                     emerge --deep <pkgspec>; we need to recursively check dependencies of pkgspec
1212                     If we are in --nodeps (no recursion) mode, we obviously only check 1 level of dependencies.
1213                 """
1214                 if "deep" not in self.myparams and not merging and \
1215                         not ("--update" in self.myopts and arg and merging):
1216                         return 1
1217                 elif "recurse" not in self.myparams:
1218                         return 1
1219
1220                 """ Check DEPEND/RDEPEND/PDEPEND/SLOT
1221                 Pull from bintree if it's binary package, porttree if it's ebuild.
1222                 Binpkg's can be either remote or local. """
1223
1224                 edepend={}
1225                 depkeys = ["DEPEND","RDEPEND","PDEPEND"]
1226                 depvalues = mydbapi.aux_get(mykey, depkeys)
1227                 for i in xrange(len(depkeys)):
1228                         edepend[depkeys[i]] = depvalues[i]
1229
1230                 if mytype == "ebuild":
1231                         if "--buildpkgonly" in self.myopts:
1232                                 edepend["RDEPEND"] = ""
1233                                 edepend["PDEPEND"] = ""
1234                 if not (arg and "--onlydeps" in self.myopts and \
1235                         mytype == "ebuild") and \
1236                         self.myopts.get("--with-bdeps", "n") == "n" and \
1237                         (mytype == "binary" or mybigkey[3] == "nomerge"):
1238                         edepend["DEPEND"] = ""
1239
1240                 """ We have retrieve the dependency information, now we need to recursively
1241                     process them.  DEPEND gets processed for root = "/", {R,P}DEPEND in myroot. """
1242
1243                 mp = tuple(mybigkey)
1244
1245                 try:
1246                         if not self.select_dep("/", edepend["DEPEND"], myparent=mp,
1247                                 myuse=myuse, priority=DepPriority(buildtime=True),
1248                                 parent_arg=arg):
1249                                 return 0
1250                         """RDEPEND is soft by definition.  However, in order to ensure
1251                         correct merge order, we make it a hard dependency.  Otherwise, a
1252                         build time dependency might not be usable due to it's run time
1253                         dependencies not being installed yet.
1254                         """
1255                         if not self.select_dep(myroot,edepend["RDEPEND"], myparent=mp,
1256                                 myuse=myuse, priority=DepPriority(runtime=True),
1257                                 parent_arg=arg):
1258                                 return 0
1259                         if edepend.has_key("PDEPEND") and edepend["PDEPEND"]:
1260                                 # Post Depend -- Add to the list without a parent, as it depends
1261                                 # on a package being present AND must be built after that package.
1262                                 if not self.select_dep(myroot, edepend["PDEPEND"], myparent=mp,
1263                                         myuse=myuse, priority=DepPriority(), rev_deps=True,
1264                                         parent_arg=arg):
1265                                         return 0
1266                 except ValueError, e:
1267                         pkgs = e.args[0]
1268                         portage.writemsg("\n\n!!! An atom in the dependencies " + \
1269                                 "is not fully-qualified. Multiple matches:\n\n", noiselevel=-1)
1270                         for cpv in pkgs:
1271                                 portage.writemsg("    %s\n" % cpv, noiselevel=-1)
1272                         portage.writemsg("\n", noiselevel=-1)
1273                         if mytype == "binary":
1274                                 portage.writemsg(
1275                                         "!!! This binary package cannot be installed: '%s'\n" % \
1276                                         mykey, noiselevel=-1)
1277                         elif mytype == "ebuild":
1278                                 myebuild, mylocation = portdb.findname2(mykey)
1279                                 portage.writemsg("!!! This ebuild cannot be installed: " + \
1280                                         "'%s'\n" % myebuild, noiselevel=-1)
1281                         portage.writemsg("!!! Please notify the package maintainer " + \
1282                                 "that atoms must be fully-qualified.\n", noiselevel=-1)
1283                         return 0
1284                 return 1
1285
1286         def select_files(self,myfiles):
1287                 "given a list of .tbz2s, .ebuilds and deps, create the appropriate depgraph and return a favorite list"
1288                 myfavorites=[]
1289                 myroot = self.target_root
1290                 portdb = self.trees[myroot]["porttree"].dbapi
1291                 bindb = self.trees[myroot]["bintree"].dbapi
1292                 pkgsettings = self.pkgsettings[myroot]
1293                 arg_atoms = []
1294                 def visible(mylist):
1295                         matches = portdb.gvisible(portdb.visible(mylist))
1296                         return [x for x in mylist \
1297                                 if x in matches or not portdb.cpv_exists(x)]
1298                 for x in myfiles:
1299                         ext = os.path.splitext(x)[1]
1300                         if ext==".tbz2":
1301                                 if not os.path.exists(x):
1302                                         if os.path.exists(
1303                                                 os.path.join(pkgsettings["PKGDIR"], "All", x)):
1304                                                 x = os.path.join(pkgsettings["PKGDIR"], "All", x)
1305                                         elif os.path.exists(
1306                                                 os.path.join(pkgsettings["PKGDIR"], x)):
1307                                                 x = os.path.join(pkgsettings["PKGDIR"], x)
1308                                         else:
1309                                                 print "\n\n!!! Binary package '"+str(x)+"' does not exist."
1310                                                 print "!!! Please ensure the tbz2 exists as specified.\n"
1311                                                 sys.exit(1)
1312                                 mytbz2=portage.xpak.tbz2(x)
1313                                 mykey=mytbz2.getelements("CATEGORY")[0]+"/"+os.path.splitext(os.path.basename(x))[0]
1314                                 if os.path.realpath(x) != \
1315                                         os.path.realpath(self.trees[myroot]["bintree"].getname(mykey)):
1316                                         print colorize("BAD", "\n*** You need to adjust PKGDIR to emerge this package.\n")
1317                                         sys.exit(1)
1318                                 if not self.create(["binary", myroot, mykey],
1319                                         None, "--onlydeps" not in self.myopts):
1320                                         return (0,myfavorites)
1321                                 elif not "--oneshot" in self.myopts:
1322                                         myfavorites.append(mykey)
1323                         elif ext==".ebuild":
1324                                 x = os.path.realpath(x)
1325                                 mykey=os.path.basename(os.path.normpath(x+"/../.."))+"/"+os.path.splitext(os.path.basename(x))[0]
1326                                 ebuild_path = portdb.findname(mykey)
1327                                 if ebuild_path:
1328                                         if os.path.realpath(ebuild_path) != x:
1329                                                 print colorize("BAD", "\n*** You need to adjust PORTDIR or PORTDIR_OVERLAY to emerge this package.\n")
1330                                                 sys.exit(1)
1331                                         if mykey not in portdb.xmatch(
1332                                                 "match-visible", portage.dep_getkey(mykey)):
1333                                                 print colorize("BAD", "\n*** You are emerging a masked package. It is MUCH better to use")
1334                                                 print colorize("BAD", "*** /etc/portage/package.* to accomplish this. See portage(5) man")
1335                                                 print colorize("BAD", "*** page for details.")
1336                                                 countdown(int(self.settings["EMERGE_WARNING_DELAY"]),
1337                                                         "Continuing...")
1338                                 else:
1339                                         raise portage.exception.PackageNotFound(
1340                                                 "%s is not in a valid portage tree hierarchy or does not exist" % x)
1341                                 if not self.create(["ebuild", myroot, mykey],
1342                                         None, "--onlydeps" not in self.myopts):
1343                                         return (0,myfavorites)
1344                                 elif not "--oneshot" in self.myopts:
1345                                         myfavorites.append(mykey)
1346                         else:
1347                                 if not is_valid_package_atom(x):
1348                                         portage.writemsg("\n\n!!! '%s' is not a valid package atom.\n" % x,
1349                                                 noiselevel=-1)
1350                                         portage.writemsg("!!! Please check ebuild(5) for full details.\n")
1351                                         portage.writemsg("!!! (Did you specify a version but forget to prefix with '='?)\n")
1352                                         return (0,[])
1353                                 try:
1354                                         mykey = None
1355                                         if "--usepkg" in self.myopts:
1356                                                 mykey = portage.dep_expand(x, mydb=bindb,
1357                                                         settings=pkgsettings)
1358                                         if (mykey and not mykey.startswith("null/")) or \
1359                                                 "--usepkgonly" in self.myopts:
1360                                                 arg_atoms.append((x, mykey))
1361                                                 continue
1362
1363                                         mykey = portage.dep_expand(x,
1364                                                 mydb=portdb, settings=pkgsettings)
1365                                         arg_atoms.append((x, mykey))
1366                                 except ValueError, errpkgs:
1367                                         print "\n\n!!! The short ebuild name \"" + x + "\" is ambiguous.  Please specify"
1368                                         print "!!! one of the following fully-qualified ebuild names instead:\n"
1369                                         for i in errpkgs[0]:
1370                                                 print "    " + green(i)
1371                                         print
1372                                         sys.exit(1)
1373
1374                 if "--update" in self.myopts:
1375                         """Make sure all installed slots are updated when possible. Do this
1376                         with --emptytree also, to ensure that all slots are remerged."""
1377                         vardb = self.trees[self.target_root]["vartree"].dbapi
1378                         greedy_atoms = []
1379                         for myarg, myatom in arg_atoms:
1380                                 greedy_atoms.append((myarg, myatom))
1381                                 myslots = set()
1382                                 for cpv in vardb.match(myatom):
1383                                         myslots.add(vardb.aux_get(cpv, ["SLOT"])[0])
1384                                 if myslots:
1385                                         best_pkgs = []
1386                                         if "--usepkg" in self.myopts:
1387                                                 mymatches = bindb.match(myatom)
1388                                                 if "--usepkgonly" not in self.myopts:
1389                                                         mymatches = visible(mymatches)
1390                                                 best_pkg = portage.best(mymatches)
1391                                                 if best_pkg:
1392                                                         best_slot = bindb.aux_get(best_pkg, ["SLOT"])[0]
1393                                                         best_pkgs.append(("binary", best_pkg, best_slot))
1394                                         if "--usepkgonly" not in self.myopts:
1395                                                 best_pkg = portage.best(portdb.match(myatom))
1396                                                 if best_pkg:
1397                                                         best_slot = portdb.aux_get(best_pkg, ["SLOT"])[0]
1398                                                         best_pkgs.append(("ebuild", best_pkg, best_slot))
1399                                         if best_pkgs:
1400                                                 best_pkg = portage.best([x[1] for x in best_pkgs])
1401                                                 best_pkgs = [x for x in best_pkgs if x[1] == best_pkg]
1402                                                 best_slot = best_pkgs[0][2]
1403                                                 myslots.add(best_slot)
1404                                 if len(myslots) > 1:
1405                                         for myslot in myslots:
1406                                                 myslot_atom = "%s:%s" % \
1407                                                         (portage.dep_getkey(myatom), myslot)
1408                                                 available = False
1409                                                 if "--usepkgonly" not in self.myopts and \
1410                                                         self.trees[self.target_root][
1411                                                         "porttree"].dbapi.match(myslot_atom):
1412                                                         available = True
1413                                                 elif "--usepkg" in self.myopts:
1414                                                         mymatches = bindb.match(myslot_atom)
1415                                                         if "--usepkgonly" not in self.myopts:
1416                                                                 mymatches = visible(mymatches)
1417                                                         if mymatches:
1418                                                                 available = True
1419                                                 if available:
1420                                                         greedy_atoms.append((myarg, myslot_atom))
1421                         arg_atoms = greedy_atoms
1422
1423                 """ These are used inside self.create() in order to ensure packages
1424                 that happen to match arguments are not incorrectly marked as nomerge."""
1425                 self.args_keys = [x[1] for x in arg_atoms]
1426                 for myarg, myatom in arg_atoms:
1427                                 try:
1428                                         self.mysd = self.select_dep(myroot, myatom, arg=myarg)
1429                                 except portage.exception.MissingSignature, e:
1430                                         portage.writemsg("\n\n!!! A missing gpg signature is preventing portage from calculating the\n")
1431                                         portage.writemsg("!!! required dependencies. This is a security feature enabled by the admin\n")
1432                                         portage.writemsg("!!! to aid in the detection of malicious intent.\n\n")
1433                                         portage.writemsg("!!! THIS IS A POSSIBLE INDICATION OF TAMPERED FILES -- CHECK CAREFULLY.\n")
1434                                         portage.writemsg("!!! Affected file: %s\n" % (e), noiselevel=-1)
1435                                         sys.exit(1)
1436                                 except portage.exception.InvalidSignature, e:
1437                                         portage.writemsg("\n\n!!! An invalid gpg signature is preventing portage from calculating the\n")
1438                                         portage.writemsg("!!! required dependencies. This is a security feature enabled by the admin\n")
1439                                         portage.writemsg("!!! to aid in the detection of malicious intent.\n\n")
1440                                         portage.writemsg("!!! THIS IS A POSSIBLE INDICATION OF TAMPERED FILES -- CHECK CAREFULLY.\n")
1441                                         portage.writemsg("!!! Affected file: %s\n" % (e), noiselevel=-1)
1442                                         sys.exit(1)
1443                                 except SystemExit, e:
1444                                         raise # Needed else can't exit
1445                                 except Exception, e:
1446                                         print >> sys.stderr, "\n\n!!! Problem in '%s' dependencies." % mykey
1447                                         print >> sys.stderr, "!!!", str(e), getattr(e, "__module__", None)
1448                                         raise
1449
1450                                 if not self.mysd:
1451                                         return (0,myfavorites)
1452                                 elif not "--oneshot" in self.myopts:
1453                                         mykey = portage.dep_getkey(myatom)
1454                                         if mykey not in myfavorites:
1455                                                 myfavorites.append(mykey)
1456
1457                 missing=0
1458                 if "--usepkgonly" in self.myopts:
1459                         for xs in self.digraph.all_nodes():
1460                                 if len(xs) >= 4 and xs[0] != "binary" and xs[3] == "merge":
1461                                         if missing == 0:
1462                                                 print
1463                                         missing += 1
1464                                         print "Missing binary for:",xs[2]
1465
1466                 if not self.validate_blockers():
1467                         return False, myfavorites
1468
1469                 # We're true here unless we are missing binaries.
1470                 return (not missing,myfavorites)
1471
1472         def select_dep(self, myroot, depstring, myparent=None, arg=None,
1473                 myuse=None, raise_on_missing=False, priority=DepPriority(),
1474                 rev_deps=False, parent_arg=None):
1475                 """ Given a depstring, create the depgraph such that all dependencies are satisfied.
1476                     myroot = $ROOT from environment, where {R,P}DEPENDs are merged to.
1477                     myparent = the node whose depstring is being passed in
1478                     arg = package was specified on the command line, merge even if it's already installed
1479                     myuse = USE flags at present
1480                     raise_on_missing = Given that the depgraph is not proper, raise an exception if true
1481                     else continue trying.
1482                     return 1 on success, 0 for failure
1483                 """
1484
1485                 portdb = self.trees[myroot]["porttree"].dbapi
1486                 bindb  = self.trees[myroot]["bintree"].dbapi
1487                 vardb  = self.trees[myroot]["vartree"].dbapi
1488                 pkgsettings = self.pkgsettings[myroot]
1489                 if myparent:
1490                         p_type, p_root, p_key, p_status = myparent
1491
1492                 if "--debug" in self.myopts:
1493                         print
1494                         print "Parent:   ",myparent
1495                         print "Depstring:",depstring
1496                         if rev_deps:
1497                                 print "Reverse:", rev_deps
1498                         print "Priority:", priority
1499
1500                 #processing dependencies
1501                 """ Call portage.dep_check to evaluate the use? conditionals and make sure all
1502                 dependencies are satisfiable. """
1503                 if arg:
1504                         mymerge = [depstring]
1505                         pprovided = pkgsettings.pprovideddict.get(
1506                                 portage.dep_getkey(depstring))
1507                         if pprovided and portage.match_from_list(depstring, pprovided):
1508                                 mymerge = []
1509                 else:
1510                         try:
1511                                 if myparent and p_status == "nomerge":
1512                                         portage.dep._dep_check_strict = False
1513                                 mycheck = portage.dep_check(depstring, None,
1514                                         pkgsettings, myuse=myuse,
1515                                         use_binaries=("--usepkgonly" in self.myopts),
1516                                         myroot=myroot, trees=self.trees)
1517                         finally:
1518                                 portage.dep._dep_check_strict = True
1519
1520                         if not mycheck[0]:
1521                                 if myparent:
1522                                         show_invalid_depstring_notice(
1523                                                 myparent, depstring, mycheck[1])
1524                                 else:
1525                                         sys.stderr.write("\n%s\n%s\n" % (depstring, mycheck[1]))
1526                                 return 0
1527                         mymerge = mycheck[1]
1528
1529                 if not mymerge and arg and \
1530                         portage.best_match_to_list(depstring, self.args_keys):
1531                         # A provided package has been specified on the command line.  The
1532                         # package will not be merged and a warning will be displayed.
1533                         self._pprovided_args.append(arg)
1534
1535                 if myparent:
1536                         # The parent is added after it's own dep_check call so that it
1537                         # isn't allowed to satisfy a direct bootstrap dependency on itself
1538                         # via an old-style virtual.  This isn't a problem with new-style
1539                         # virtuals, which are preferenced in dep_zapdeps by looking only at
1540                         # the depstring, vdb, and available packages.
1541
1542                         p_type, p_root, p_key, p_status = myparent
1543                         if p_status == "merge":
1544                                 # Update old-style virtuals if this package provides any.
1545                                 # These are needed for dep_virtual calls inside dep_check.
1546                                 p_db = self.trees[p_root][self.pkg_tree_map[p_type]].dbapi
1547                                 try:
1548                                         self.pkgsettings[p_root].setinst(p_key, p_db)
1549                                 except portage.exception.InvalidDependString, e:
1550                                         provide = p_db.aux_get(p_key, ["PROVIDE"])[0]
1551                                         show_invalid_depstring_notice(myparent, provide, str(e))
1552                                         del e
1553                                         return 0
1554
1555                 if "--debug" in self.myopts:
1556                         print "Candidates:",mymerge
1557                 for x in mymerge:
1558                         selected_pkg = None
1559                         if x[0]=="!":
1560                                 selected_pkg = ["blocks", myroot, x[1:], None]
1561                         else:
1562                                 #We are not processing a blocker but a normal dependency
1563                                 if myparent:
1564                                         """In some cases, dep_check will return deps that shouldn't
1565                                         be proccessed any further, so they are identified and
1566                                         discarded here."""
1567                                         if "empty" not in self.myparams and \
1568                                                 "deep" not in self.myparams and \
1569                                                 not ("--update" in self.myopts and parent_arg) and \
1570                                                 vardb.match(x):
1571                                                 continue
1572
1573                                 # List of acceptable packages, ordered by type preference.
1574                                 matched_packages = []
1575                                 myeb_matches = portdb.xmatch("match-visible", x)
1576                                 myeb = None
1577                                 if "--usepkgonly" not in self.myopts:
1578                                         myeb = portage.best(myeb_matches)
1579
1580                                 myeb_pkg=None
1581                                 if "--usepkg" in self.myopts:
1582                                         # The next line assumes the binarytree has been populated.
1583                                         # XXX: Need to work out how we use the binary tree with roots.
1584                                         myeb_pkg_matches = bindb.match(x)
1585                                         if "--usepkgonly" not in self.myopts:
1586                                                 # Remove any binary package entries that are masked in the portage tree (#55871)
1587                                                 myeb_pkg_matches = [pkg for pkg in myeb_pkg_matches \
1588                                                         if pkg in myeb_matches or  \
1589                                                         not portdb.cpv_exists(pkg)]
1590                                         if myeb_pkg_matches:
1591                                                 myeb_pkg = portage.best(myeb_pkg_matches)
1592
1593                                 if myeb_pkg and "--newuse" in self.myopts:
1594                                         iuses = set(filter_iuse_defaults(
1595                                                 bindb.aux_get(myeb_pkg, ["IUSE"])[0].split()))
1596                                         old_use = bindb.aux_get(myeb_pkg, ["USE"])[0].split()
1597                                         mydb = None
1598                                         if "--usepkgonly" not in self.myopts and myeb:
1599                                                 mydb = portdb
1600                                         if myeb:
1601                                                 pkgsettings.setcpv(myeb, mydb=mydb)
1602                                         else:
1603                                                 pkgsettings.setcpv(myeb_pkg, mydb=mydb)
1604                                         now_use = pkgsettings["USE"].split()
1605                                         forced_flags = set()
1606                                         forced_flags.update(pkgsettings.useforce)
1607                                         forced_flags.update(pkgsettings.usemask)
1608                                         cur_iuse = iuses
1609                                         if "--usepkgonly" not in self.myopts and myeb:
1610                                                 cur_iuse = set(filter_iuse_defaults(
1611                                                         portdb.aux_get(myeb, ["IUSE"])[0].split()))
1612                                         if iuses.symmetric_difference(
1613                                                 cur_iuse).difference(forced_flags):
1614                                                 myeb_pkg = None
1615                                         elif iuses.intersection(old_use) != \
1616                                                 cur_iuse.intersection(now_use):
1617                                                 myeb_pkg = None
1618                                 if myeb_pkg:
1619                                         binpkguseflags = \
1620                                                 self.trees[myroot]["bintree"].dbapi.aux_get(
1621                                                         myeb_pkg, ["USE"])[0].split()
1622                                         matched_packages.append(
1623                                                 ["binary", myroot, myeb_pkg, binpkguseflags])
1624
1625                                 if "--usepkgonly" not in self.myopts and myeb_matches:
1626                                         matched_packages.append(
1627                                                 ["ebuild", myroot, myeb, None])
1628
1629                                 if not matched_packages and \
1630                                         not (arg and "selective" not in self.myparams):
1631                                         """Fall back to the installed package database.  This is a
1632                                         last resort because the metadata tends to diverge from that
1633                                         of the ebuild in the tree."""
1634                                         myeb_inst_matches = vardb.match(x)
1635                                         if "--usepkgonly" not in self.myopts:
1636                                                 """ TODO: Improve masking check for installed and
1637                                                 binary packages. bug #149816"""
1638                                                 myeb_inst_matches = [pkg for pkg in myeb_inst_matches \
1639                                                         if not portdb.cpv_exists(pkg)]
1640                                         myeb_inst = None
1641                                         if myeb_inst_matches:
1642                                                 myeb_inst = portage.best(myeb_inst_matches)
1643                                         if myeb_inst:
1644                                                 binpkguseflags = vardb.aux_get(
1645                                                         myeb_inst, ["USE"])[0].split()
1646                                                 matched_packages.append(
1647                                                         ["installed", myroot, myeb_inst, binpkguseflags])
1648
1649                                 if not matched_packages:
1650                                         if raise_on_missing:
1651                                                 raise ValueError
1652                                         if not arg:
1653                                                 xinfo='"'+x+'"'
1654                                         else:
1655                                                 xinfo='"'+arg+'"'
1656                                         if myparent:
1657                                                 xfrom = '(dependency required by '+ \
1658                                                         green('"%s"' % myparent[2]) + \
1659                                                         red(' [%s]' % myparent[0]) + ')'
1660                                         alleb = portdb.xmatch("match-all", x)
1661                                         if alleb:
1662                                                 if "--usepkgonly" not in self.myopts:
1663                                                         print "\n!!! "+red("All ebuilds that could satisfy ")+green(xinfo)+red(" have been masked.")
1664                                                         print "!!! One of the following masked packages is required to complete your request:"
1665                                                         oldcomment = ""
1666                                                         shown_licenses = []
1667                                                         for p in alleb:
1668                                                                 mreasons = portage.getmaskingstatus(p,
1669                                                                         settings=pkgsettings, portdb=portdb)
1670                                                                 print "- "+p+" (masked by: "+", ".join(mreasons)+")"
1671                                                                 if "package.mask" in mreasons:
1672                                                                         comment, filename = \
1673                                                                                 portage.getmaskingreason(p,
1674                                                                                 settings=pkgsettings, portdb=portdb,
1675                                                                                 return_location=True)
1676                                                                         if comment and comment != oldcomment:
1677                                                                                 print filename+":"
1678                                                                                 print comment
1679                                                                                 oldcomment = comment
1680                                                                 try:
1681                                                                         licenses = portdb.aux_get(p, ["LICENSE"])[0]
1682                                                                 except KeyError:
1683                                                                         # Corruption will have been reported above.
1684                                                                         continue
1685                                                                 uselist = []
1686                                                                 if "?" in licenses:
1687                                                                         pkgsettings.setcpv(p, mydb=portdb)
1688                                                                         uselist = pkgsettings.get("USE", "").split()
1689                                                                 missing_licenses = []
1690                                                                 try:
1691                                                                         missing_licenses = \
1692                                                                                 pkgsettings.getMissingLicenses(
1693                                                                                         licenses, p, uselist)
1694                                                                 except portage.exception.InvalidDependString:
1695                                                                         # This will have already been reported
1696                                                                         # above via mreasons.
1697                                                                         pass
1698                                                                 for l in missing_licenses:
1699                                                                         l_path = portdb.findLicensePath(l)
1700                                                                         if l in shown_licenses:
1701                                                                                 continue
1702                                                                         msg = ("A copy of the '%s' license" + \
1703                                                                         " is located at '%s'.") % (l, l_path)
1704                                                                         print msg
1705                                                                         print
1706                                                                         shown_licenses.append(l)
1707                                                         print
1708                                                         print "For more information, see MASKED PACKAGES section in the emerge man page or "
1709                                                         print "refer to the Gentoo Handbook."
1710                                                 else:
1711                                                         print "\n!!! "+red("There are no packages available to satisfy: ")+green(xinfo)
1712                                                         print "!!! Either add a suitable binary package or compile from an ebuild."
1713                                         else:
1714                                                 print "\nemerge: there are no ebuilds to satisfy "+green(xinfo)+"."
1715                                         if myparent:
1716                                                 print xfrom
1717                                         print
1718                                         return 0
1719
1720                                 if "--debug" in self.myopts:
1721                                         for pkg in matched_packages:
1722                                                 print (pkg[0] + ":").rjust(10), pkg[2]
1723
1724                                 if len(matched_packages) > 1:
1725                                         bestmatch = portage.best(
1726                                                 [pkg[2] for pkg in matched_packages])
1727                                         matched_packages = [pkg for pkg in matched_packages \
1728                                                 if pkg[2] == bestmatch]
1729
1730                                 # ordered by type preference ("ebuild" type is the last resort)
1731                                 selected_pkg =  matched_packages[0]
1732                                 pkgtype, myroot, mycpv, myuse = selected_pkg
1733                                 mydbapi = self.trees[myroot][self.pkg_tree_map[pkgtype]].dbapi
1734                                 slot_atom = "%s:%s" % (portage.dep_getkey(mycpv),
1735                                         mydbapi.aux_get(mycpv, ["SLOT"])[0])
1736                                 existing_node = self._slot_node_map[myroot].get(
1737                                         slot_atom, None)
1738                                 if existing_node:
1739                                         e_type, myroot, e_cpv, e_status = existing_node
1740                                         if portage.match_from_list(x, [e_cpv]):
1741                                                 # The existing node can be reused.
1742                                                 selected_pkg = [e_type, myroot, e_cpv,
1743                                                         self.useFlags[myroot][e_cpv]]
1744
1745                         if myparent:
1746                                 #we are a dependency, so we want to be unconditionally added
1747                                 mypriority = priority.copy()
1748                                 if vardb.match(x):
1749                                         mypriority.satisfied = True
1750                                 if not self.create(selected_pkg[0:3], myparent,
1751                                         myuse=selected_pkg[-1], priority=mypriority,
1752                                         rev_dep=rev_deps, arg=arg):
1753                                         return 0
1754                         else:
1755                                 #if mysource is not set, then we are a command-line dependency and should not be added
1756                                 #if --onlydeps is specified.
1757                                 if not self.create(selected_pkg[0:3], myparent,
1758                                         addme=("--onlydeps" not in self.myopts),
1759                                         myuse=selected_pkg[-1], rev_dep=rev_deps, arg=arg):
1760                                         return 0
1761
1762                 if "--debug" in self.myopts:
1763                         print "Exiting...",myparent
1764                 return 1
1765
1766         def validate_blockers(self):
1767                 """Remove any blockers from the digraph that do not match any of the
1768                 packages within the graph.  If necessary, create hard deps to ensure
1769                 correct merge order such that mutually blocking packages are never
1770                 installed simultaneously."""
1771
1772                 if "--buildpkgonly" in self.myopts or \
1773                         "--nodeps" in self.myopts:
1774                         return True
1775
1776                 modified_slots = {}
1777                 for myroot in self.trees:
1778                         myslots = {}
1779                         modified_slots[myroot] = myslots
1780                         final_db = self.mydbapi[myroot]
1781                         slot_node_map = self._slot_node_map[myroot]
1782                         for slot_atom, mynode in slot_node_map.iteritems():
1783                                 mytype, myroot, mycpv, mystatus = mynode
1784                                 if mystatus == "merge":
1785                                         myslots[slot_atom] = mycpv
1786
1787                 #if "deep" in self.myparams:
1788                 if True:
1789                         # Pull in blockers from all installed packages that haven't already
1790                         # been pulled into the depgraph.  This is not enabled by default
1791                         # due to the performance penalty that is incurred by all the
1792                         # additional dep_check calls that are required.
1793
1794                         # Optimization hack for dep_check calls that minimizes the
1795                         # available matches by replacing the portdb with a fakedbapi
1796                         # instance.
1797                         class FakePortageTree(object):
1798                                 def __init__(self, mydb):
1799                                         self.dbapi = mydb
1800                         dep_check_trees = {}
1801                         for myroot in self.trees:
1802                                 dep_check_trees[myroot] = self.trees[myroot].copy()
1803                                 dep_check_trees[myroot]["porttree"] = \
1804                                         FakePortageTree(self.mydbapi[myroot])
1805
1806                         dep_keys = ["DEPEND","RDEPEND","PDEPEND"]
1807                         for myroot in self.trees:
1808                                 pkg_node_map = self.pkg_node_map[myroot]
1809                                 vardb = self.trees[myroot]["vartree"].dbapi
1810                                 portdb = self.trees[myroot]["porttree"].dbapi
1811                                 pkgsettings = self.pkgsettings[myroot]
1812                                 final_db = self.mydbapi[myroot]
1813                                 cpv_all_installed = self.trees[myroot]["vartree"].dbapi.cpv_all()
1814                                 blocker_cache = BlockerCache(myroot, vardb)
1815                                 for pkg in cpv_all_installed:
1816                                         blocker_atoms = None
1817                                         matching_node = pkg_node_map.get(pkg, None)
1818                                         if matching_node and \
1819                                                 matching_node[3] == "nomerge":
1820                                                 continue
1821                                         # If this node has any blockers, create a "nomerge"
1822                                         # node for it so that they can be enforced.
1823                                         self.spinner.update()
1824                                         blocker_data = blocker_cache.get(pkg)
1825                                         if blocker_data:
1826                                                 blocker_atoms = blocker_data.atoms
1827                                         else:
1828                                                 dep_vals = vardb.aux_get(pkg, dep_keys)
1829                                                 myuse = vardb.aux_get(pkg, ["USE"])[0].split()
1830                                                 depstr = " ".join(dep_vals)
1831                                                 # It is crucial to pass in final_db here in order to
1832                                                 # optimize dep_check calls by eliminating atoms via
1833                                                 # dep_wordreduce and dep_eval calls.
1834                                                 try:
1835                                                         portage.dep._dep_check_strict = False
1836                                                         try:
1837                                                                 success, atoms = portage.dep_check(depstr,
1838                                                                         final_db, pkgsettings, myuse=myuse,
1839                                                                         trees=dep_check_trees, myroot=myroot)
1840                                                         except Exception, e:
1841                                                                 if isinstance(e, SystemExit):
1842                                                                         raise
1843                                                                 # This is helpful, for example, if a ValueError
1844                                                                 # is thrown from cpv_expand due to multiple
1845                                                                 # matches (this can happen if an atom lacks a
1846                                                                 # category).
1847                                                                 show_invalid_depstring_notice(
1848                                                                         ("installed", myroot, pkg, "nomerge"),
1849                                                                         depstr, str(e))
1850                                                                 del e
1851                                                                 raise
1852                                                 finally:
1853                                                         portage.dep._dep_check_strict = True
1854                                                 if not success:
1855                                                         slot_atom = "%s:%s" % (portage.dep_getkey(pkg),
1856                                                                 vardb.aux_get(pkg, ["SLOT"])[0])
1857                                                         if slot_atom in modified_slots[myroot]:
1858                                                                 # This package is being replaced anyway, so
1859                                                                 # ignore invalid dependencies so as not to
1860                                                                 # annoy the user too much (otherwise they'd be
1861                                                                 # forced to manually unmerge it first).
1862                                                                 continue
1863                                                         show_invalid_depstring_notice(
1864                                                                 ("installed", myroot, pkg, "nomerge"),
1865                                                                 depstr, atoms)
1866                                                         return False
1867                                                 blocker_atoms = [myatom for myatom in atoms \
1868                                                         if myatom.startswith("!")]
1869                                                 counter = long(vardb.aux_get(pkg, ["COUNTER"])[0])
1870                                                 blocker_cache[pkg] = \
1871                                                         blocker_cache.BlockerData(counter, blocker_atoms)
1872                                         if blocker_atoms:
1873                                                 # Don't store this parent in pkg_node_map, because it's
1874                                                 # not needed there and it might overwrite a "merge"
1875                                                 # node with the same cpv.
1876                                                 myparent = ("installed", myroot, pkg, "nomerge")
1877                                                 for myatom in blocker_atoms:
1878                                                         blocker = ("blocks", myroot, myatom[1:])
1879                                                         myparents = \
1880                                                                 self.blocker_parents.get(blocker, None)
1881                                                         if not myparents:
1882                                                                 myparents = set()
1883                                                                 self.blocker_parents[blocker] = myparents
1884                                                         myparents.add(myparent)
1885                                 blocker_cache.flush()
1886                                 del blocker_cache
1887
1888                 for blocker in self.blocker_parents.keys():
1889                         mytype, myroot, mydep = blocker
1890                         initial_db = self.trees[myroot]["vartree"].dbapi
1891                         final_db = self.mydbapi[myroot]
1892                         blocked_initial = initial_db.match(mydep)
1893                         blocked_final = final_db.match(mydep)
1894                         if not blocked_initial and not blocked_final:
1895                                 del self.blocker_parents[blocker]
1896                                 continue
1897                         blocked_slots_initial = {}
1898                         blocked_slots_final = {}
1899                         for cpv in blocked_initial:
1900                                 blocked_slots_initial[cpv] = \
1901                                         "%s:%s" % (portage.dep_getkey(cpv),
1902                                                 initial_db.aux_get(cpv, ["SLOT"])[0])
1903                         for cpv in blocked_final:
1904                                 blocked_slots_final[cpv] = \
1905                                         "%s:%s" % (portage.dep_getkey(cpv),
1906                                                 final_db.aux_get(cpv, ["SLOT"])[0])
1907                         for parent in list(self.blocker_parents[blocker]):
1908                                 ptype, proot, pcpv, pstatus = parent
1909                                 pdbapi = self.trees[proot][self.pkg_tree_map[ptype]].dbapi
1910                                 pslot = pdbapi.aux_get(pcpv, ["SLOT"])[0]
1911                                 pslot_atom = "%s:%s" % (portage.dep_getkey(pcpv), pslot)
1912                                 parent_static = pslot_atom not in modified_slots[proot]
1913                                 unresolved_blocks = False
1914                                 depends_on_order = set()
1915                                 for cpv in blocked_initial:
1916                                         slot_atom = blocked_slots_initial[cpv]
1917                                         if slot_atom == pslot_atom:
1918                                                 # TODO: Support blocks within slots in cases where it
1919                                                 # might make sense.  For example, a new version might
1920                                                 # require that the old version be uninstalled at build
1921                                                 # time.
1922                                                 continue
1923                                         if parent_static and \
1924                                                 slot_atom not in modified_slots[myroot]:
1925                                                 # This blocker will be handled the next time that a
1926                                                 # merge of either package is triggered.
1927                                                 continue
1928                                         if pstatus == "merge" and \
1929                                                 slot_atom in modified_slots[myroot]:
1930                                                 replacement = final_db.match(slot_atom)
1931                                                 if replacement:
1932                                                         if not portage.match_from_list(mydep, replacement):
1933                                                                 # Apparently a replacement may be able to
1934                                                                 # invalidate this block.
1935                                                                 replacement_node = \
1936                                                                         self.pkg_node_map[proot][replacement[0]]
1937                                                                 depends_on_order.add((replacement_node, parent))
1938                                                                 continue
1939                                         # None of the above blocker resolutions techniques apply,
1940                                         # so apparently this one is unresolvable.
1941                                         unresolved_blocks = True
1942                                 for cpv in blocked_final:
1943                                         slot_atom = blocked_slots_final[cpv]
1944                                         if slot_atom == pslot_atom:
1945                                                 # TODO: Support blocks within slots.
1946                                                 continue
1947                                         if parent_static and \
1948                                                 slot_atom not in modified_slots[myroot]:
1949                                                 # This blocker will be handled the next time that a
1950                                                 # merge of either package is triggered.
1951                                                 continue
1952                                         if not parent_static and pstatus == "nomerge" and \
1953                                                 slot_atom in modified_slots[myroot]:
1954                                                 replacement = final_db.match(pslot_atom)
1955                                                 if replacement:
1956                                                         replacement_node = \
1957                                                                 self.pkg_node_map[proot][replacement[0]]
1958                                                         if replacement_node not in \
1959                                                                 self.blocker_parents[blocker]:
1960                                                                 # Apparently a replacement may be able to
1961                                                                 # invalidate this block.
1962                                                                 blocked_node = self.pkg_node_map[proot][cpv]
1963                                                                 depends_on_order.add(
1964                                                                         (replacement_node, blocked_node))
1965                                                                 continue
1966                                         # None of the above blocker resolutions techniques apply,
1967                                         # so apparently this one is unresolvable.
1968                                         unresolved_blocks = True
1969                                 if not unresolved_blocks and depends_on_order:
1970                                         for node, pnode in depends_on_order:
1971                                                 # Enforce correct merge order with a hard dep.
1972                                                 self.digraph.addnode(node, pnode,
1973                                                         priority=DepPriority(buildtime=True))
1974                                                 # Count references to this blocker so that it can be
1975                                                 # invalidated after nodes referencing it have been
1976                                                 # merged.
1977                                                 self.blocker_digraph.addnode(node, blocker)
1978                                 if not unresolved_blocks and not depends_on_order:
1979                                         self.blocker_parents[blocker].remove(parent)
1980                                 if unresolved_blocks:
1981                                         self._unresolved_blocker_parents.setdefault(
1982                                                 blocker, set()).add(parent)
1983                         if not self.blocker_parents[blocker]:
1984                                 del self.blocker_parents[blocker]
1985                 # Validate blockers that depend on merge order.
1986                 if not self.blocker_digraph.empty():
1987                         self.altlist()
1988                 if self._slot_collision_info:
1989                         # The user is only notified of a slot collision if there are no
1990                         # unresolvable blocks.
1991                         for x in self.altlist():
1992                                 if x[0] == "blocks":
1993                                         return True
1994                         self._show_slot_collision_notice(self._slot_collision_info[0])
1995                         if not self._accept_collisions():
1996                                 return False
1997                 return True
1998
1999         def _accept_collisions(self):
2000                 acceptable = False
2001                 for x in ("--nodeps", "--pretend", "--fetchonly", "--fetch-all-uri"):
2002                         if x in self.myopts:
2003                                 acceptable = True
2004                                 break
2005                 return acceptable
2006
2007         def _merge_order_bias(self, mygraph):
2008                 """Order nodes from highest to lowest overall reference count for
2009                 optimal leaf node selection."""
2010                 node_info = {}
2011                 for node in mygraph.order:
2012                         node_info[node] = len(mygraph.parent_nodes(node))
2013                 def cmp_merge_preference(node1, node2):
2014                         return node_info[node2] - node_info[node1]
2015                 mygraph.order.sort(cmp_merge_preference)
2016
2017         def altlist(self, reversed=False):
2018                 if reversed in self._altlist_cache:
2019                         return self._altlist_cache[reversed][:]
2020                 if reversed:
2021                         retlist = self.altlist()
2022                         retlist.reverse()
2023                         self._altlist_cache[reversed] = retlist[:]
2024                         return retlist
2025                 mygraph=self.digraph.copy()
2026                 self._merge_order_bias(mygraph)
2027                 myblockers = self.blocker_digraph.copy()
2028                 retlist=[]
2029                 circular_blocks = False
2030                 blocker_deps = None
2031                 asap_nodes = []
2032                 if reversed:
2033                         get_nodes = mygraph.root_nodes
2034                 else:
2035                         get_nodes = mygraph.leaf_nodes
2036                         for cpv, node in self.pkg_node_map["/"].iteritems():
2037                                 if "portage" == portage.catsplit(portage.dep_getkey(cpv))[-1]:
2038                                         asap_nodes.append(node)
2039                                         break
2040                 ignore_priority_range = [None]
2041                 ignore_priority_range.extend(
2042                         xrange(DepPriority.MIN, DepPriority.MEDIUM + 1))
2043                 tree_mode = "--tree" in self.myopts
2044                 while not mygraph.empty():
2045                         ignore_priority = None
2046                         nodes = None
2047                         if asap_nodes:
2048                                 """ASAP nodes are merged before their soft deps."""
2049                                 for node in asap_nodes:
2050                                         if not mygraph.contains(node):
2051                                                 asap_nodes.remove(node)
2052                                                 continue
2053                                         if not mygraph.child_nodes(node,
2054                                                 ignore_priority=DepPriority.SOFT):
2055                                                 nodes = [node]
2056                                                 asap_nodes.remove(node)
2057                                                 break
2058                         if not nodes:
2059                                 for ignore_priority in ignore_priority_range:
2060                                         nodes = get_nodes(ignore_priority=ignore_priority)
2061                                         if nodes:
2062                                                 break
2063                         selected_nodes = None
2064                         if nodes:
2065                                 if ignore_priority <= DepPriority.SOFT:
2066                                         if ignore_priority is None and not tree_mode:
2067                                                 # Greedily pop all of these nodes since no relationship
2068                                                 # has been ignored.  This optimization destroys --tree
2069                                                 # output, so it's disabled in reversed mode.
2070                                                 selected_nodes = nodes
2071                                         else:
2072                                                 # For optimal merge order:
2073                                                 #  * Only pop one node.
2074                                                 #  * Removing a root node (node without a parent)
2075                                                 #    will not produce a leaf node, so avoid it.
2076                                                 for node in nodes:
2077                                                         if mygraph.parent_nodes(node):
2078                                                                 # found a non-root node
2079                                                                 selected_nodes = [node]
2080                                                                 break
2081                                                 if not selected_nodes:
2082                                                         # settle for a root node
2083                                                         selected_nodes = [nodes[0]]
2084                                 else:
2085                                         """Recursively gather a group of nodes that RDEPEND on
2086                                         eachother.  This ensures that they are merged as a group
2087                                         and get their RDEPENDs satisfied as soon as possible."""
2088                                         def gather_deps(mergeable_nodes, selected_nodes, node):
2089                                                 if node in selected_nodes:
2090                                                         return True
2091                                                 if node not in mergeable_nodes:
2092                                                         return False
2093                                                 selected_nodes.add(node)
2094                                                 for child in mygraph.child_nodes(node,
2095                                                         ignore_priority=DepPriority.SOFT):
2096                                                         if not gather_deps(
2097                                                                 mergeable_nodes, selected_nodes, child):
2098                                                                 return False
2099                                                 return True
2100                                         mergeable_nodes = set(nodes)
2101                                         for node in nodes:
2102                                                 selected_nodes = set()
2103                                                 if gather_deps(
2104                                                         mergeable_nodes, selected_nodes, node):
2105                                                         break
2106                                                 else:
2107                                                         selected_nodes = None
2108
2109                         if not selected_nodes:
2110                                 if not myblockers.is_empty():
2111                                         """A blocker couldn't be circumnavigated while keeping all
2112                                         dependencies satisfied.  The user will have to resolve this
2113                                         manually.  This is a panic condition and thus the order
2114                                         doesn't really matter, so just pop a random node in order
2115                                         to avoid a circular dependency panic if possible."""
2116                                         if not circular_blocks:
2117                                                 circular_blocks = True
2118                                                 blocker_deps = myblockers.leaf_nodes()
2119                                         if blocker_deps:
2120                                                 selected_nodes = [blocker_deps.pop()]
2121
2122                         if not selected_nodes:
2123                                 # No leaf nodes are available, so we have a circular
2124                                 # dependency panic situation.  Reduce the noise level to a
2125                                 # minimum via repeated elimination of root nodes since they
2126                                 # have no parents and thus can not be part of a cycle.
2127                                 while True:
2128                                         root_nodes = mygraph.root_nodes(
2129                                                 ignore_priority=DepPriority.SOFT)
2130                                         if not root_nodes:
2131                                                 break
2132                                         for node in root_nodes:
2133                                                 mygraph.remove(node)
2134                                 # Display the USE flags that are enabled on nodes that are part
2135                                 # of dependency cycles in case that helps the user decide to
2136                                 # disable some of them.
2137                                 display_order = []
2138                                 tempgraph = mygraph.copy()
2139                                 while not tempgraph.empty():
2140                                         nodes = tempgraph.leaf_nodes()
2141                                         if not nodes:
2142                                                 node = tempgraph.order[0]
2143                                         else:
2144                                                 node = nodes[0]
2145                                         display_order.append(list(node))
2146                                         tempgraph.remove(node)
2147                                 display_order.reverse()
2148                                 self.myopts.pop("--quiet", None)
2149                                 self.myopts.pop("--verbose", None)
2150                                 self.myopts["--tree"] = True
2151                                 self.display(display_order)
2152                                 print "!!! Error: circular dependencies:"
2153                                 print
2154                                 mygraph.debug_print()
2155                                 print
2156                                 print "!!! Note that circular dependencies can often be avoided by temporarily"
2157                                 print "!!! disabling USE flags that trigger optional dependencies."
2158                                 sys.exit(1)
2159
2160                         for node in selected_nodes:
2161                                 retlist.append(list(node))
2162                                 mygraph.remove(node)
2163                                 if not reversed and not circular_blocks and myblockers.contains(node):
2164                                         """This node may have invalidated one or more blockers."""
2165                                         myblockers.remove(node)
2166                                         for blocker in myblockers.root_nodes():
2167                                                 if not myblockers.child_nodes(blocker):
2168                                                         myblockers.remove(blocker)
2169                                                         unresolved = \
2170                                                                 self._unresolved_blocker_parents.get(blocker)
2171                                                         if unresolved:
2172                                                                 self.blocker_parents[blocker] = unresolved
2173                                                         else:
2174                                                                 del self.blocker_parents[blocker]
2175
2176                 if not reversed:
2177                         """Blocker validation does not work with reverse mode,
2178                         so self.altlist() should first be called with reverse disabled
2179                         so that blockers are properly validated."""
2180                         self.blocker_digraph = myblockers
2181
2182                 """ Add any unresolved blocks so that they can be displayed."""
2183                 for blocker in self.blocker_parents:
2184                         retlist.append(list(blocker))
2185                 self._altlist_cache[reversed] = retlist[:]
2186                 return retlist
2187
2188         def xcreate(self,mode="system"):
2189                 vardb = self.trees[self.target_root]["vartree"].dbapi
2190                 portdb = self.trees[self.target_root]["porttree"].dbapi
2191                 bindb = self.trees[self.target_root]["bintree"].dbapi
2192                 def visible(mylist):
2193                         matches = portdb.gvisible(portdb.visible(mylist))
2194                         return [x for x in mylist \
2195                                 if x in matches or not portdb.cpv_exists(x)]
2196                 world_problems = False
2197                 if mode=="system":
2198                         mylist = getlist(self.settings, "system")
2199                 else:
2200                         #world mode
2201                         worldlist = getlist(self.settings, "world")
2202                         mylist = getlist(self.settings, "system")
2203                         worlddict=genericdict(worldlist)
2204
2205                         for x in worlddict.keys():
2206                                 if not portage.isvalidatom(x):
2207                                         world_problems = True
2208                                 elif not self.trees[self.target_root]["vartree"].dbapi.match(x):
2209                                         world_problems = True
2210                                 else:
2211                                         mylist.append(x)
2212
2213                 newlist = []
2214                 for atom in mylist:
2215                         mykey = portage.dep_getkey(atom)
2216                         if True:
2217                                 newlist.append(atom)
2218                                 """Make sure all installed slots are updated when possible.
2219                                 Do this with --emptytree also, to ensure that all slots are
2220                                 remerged."""
2221                                 myslots = set()
2222                                 for cpv in vardb.match(mykey):
2223                                         myslots.add(vardb.aux_get(cpv, ["SLOT"])[0])
2224                                 if myslots:
2225                                         best_pkgs = []
2226                                         if "--usepkg" in self.myopts:
2227                                                 mymatches = bindb.match(atom)
2228                                                 if "--usepkgonly" not in self.myopts:
2229                                                         mymatches = visible(mymatches)
2230                                                 best_pkg = portage.best(mymatches)
2231                                                 if best_pkg:
2232                                                         best_slot = bindb.aux_get(best_pkg, ["SLOT"])[0]
2233                                                         best_pkgs.append(("binary", best_pkg, best_slot))
2234                                         if "--usepkgonly" not in self.myopts:
2235                                                 best_pkg = portage.best(portdb.match(atom))
2236                                                 if best_pkg:
2237                                                         best_slot = portdb.aux_get(best_pkg, ["SLOT"])[0]
2238                                                         best_pkgs.append(("ebuild", best_pkg, best_slot))
2239                                         if best_pkgs:
2240                                                 best_pkg = portage.best([x[1] for x in best_pkgs])
2241                                                 best_pkgs = [x for x in best_pkgs if x[1] == best_pkg]
2242                                                 best_slot = best_pkgs[0][2]
2243                                                 myslots.add(best_slot)
2244                                 if len(myslots) > 1:
2245                                         for myslot in myslots:
2246                                                 myslot_atom = "%s:%s" % (mykey, myslot)
2247                                                 available = False
2248                                                 if "--usepkgonly" not in self.myopts and \
2249                                                         self.trees[self.target_root][
2250                                                         "porttree"].dbapi.match(myslot_atom):
2251                                                         available = True
2252                                                 elif "--usepkg" in self.myopts:
2253                                                         mymatches = bindb.match(myslot_atom)
2254                                                         if "--usepkgonly" not in self.myopts:
2255                                                                 mymatches = visible(mymatches)
2256                                                         if mymatches:
2257                                                                 available = True
2258                                                 if available:
2259                                                         newlist.append(myslot_atom)
2260                 mylist = newlist
2261
2262                 missing_atoms = []
2263                 for mydep in mylist:
2264                         try:
2265                                 if not self.select_dep(
2266                                         self.target_root, mydep, raise_on_missing=True, arg=mydep):
2267                                         print >> sys.stderr, "\n\n!!! Problem resolving dependencies for", mydep
2268                                         return 0
2269                         except ValueError:
2270                                 missing_atoms.append(mydep)
2271
2272                 if not self.validate_blockers():
2273                         return False
2274
2275                 if world_problems:
2276                         print >> sys.stderr, "\n!!! Problems have been detected with your world file"
2277                         print >> sys.stderr, "!!! Please run "+green("emaint --check world")+"\n"
2278
2279                 if missing_atoms:
2280                         print >> sys.stderr, "\n" + colorize("BAD", "!!!") + \
2281                                 " Ebuilds for the following packages are either all"
2282                         print >> sys.stderr, colorize("BAD", "!!!") + " masked or don't exist:"
2283                         print >> sys.stderr, " ".join(missing_atoms) + "\n"
2284
2285                 return 1
2286
2287         def display(self,mylist,verbosity=None):
2288                 if verbosity is None:
2289                         verbosity = ("--quiet" in self.myopts and 1 or \
2290                                 "--verbose" in self.myopts and 3 or 2)
2291                 changelogs=[]
2292                 p=[]
2293                 blockers = []
2294
2295                 counters = PackageCounters()
2296
2297                 if verbosity == 1 and "--verbose" not in self.myopts:
2298                         def create_use_string(*args):
2299                                 return ""
2300                 else:
2301                         def create_use_string(name, cur_iuse, iuse_forced, cur_use,
2302                                 old_iuse, old_use,
2303                                 is_new, all_flags=(verbosity == 3 or "--quiet" in self.myopts),
2304                                 alphabetical=("--alphabetical" in self.myopts)):
2305                                 enabled = []
2306                                 if alphabetical:
2307                                         disabled = enabled
2308                                         removed = enabled
2309                                 else:
2310                                         disabled = []
2311                                         removed = []
2312                                 cur_iuse = set(cur_iuse)
2313                                 enabled_flags = cur_iuse.intersection(cur_use)
2314                                 removed_iuse = set(old_iuse).difference(cur_iuse)
2315                                 any_iuse = cur_iuse.union(old_iuse)
2316                                 any_iuse = list(any_iuse)
2317                                 any_iuse.sort()
2318                                 for flag in any_iuse:
2319                                         flag_str = None
2320                                         isEnabled = False
2321                                         if flag in enabled_flags:
2322                                                 isEnabled = True
2323                                                 if is_new or flag in old_use and all_flags:
2324                                                         flag_str = red(flag)
2325                                                 elif flag not in old_iuse:
2326                                                         flag_str = yellow(flag) + "%*"
2327                                                 elif flag not in old_use:
2328                                                         flag_str = green(flag) + "*"
2329                                         elif flag in removed_iuse:
2330                                                 if all_flags:
2331                                                         flag_str = yellow("-" + flag) + "%"
2332                                                         if flag in old_use:
2333                                                                 flag_str += "*"
2334                                                         flag_str = "(" + flag_str + ")"
2335                                                         removed.append(flag_str)
2336                                                 continue
2337                                         else:
2338                                                 if is_new or flag in old_iuse and flag not in old_use and all_flags:
2339                                                         flag_str = blue("-" + flag)
2340                                                 elif flag not in old_iuse:
2341                                                         flag_str = yellow("-" + flag)
2342                                                         if flag not in iuse_forced:
2343                                                                 flag_str += "%"
2344                                                 elif flag in old_use:
2345                                                         flag_str = green("-" + flag) + "*"
2346                                         if flag_str:
2347                                                 if flag in iuse_forced:
2348                                                         flag_str = "(" + flag_str + ")"
2349                                                 if isEnabled:
2350                                                         enabled.append(flag_str)
2351                                                 else:
2352                                                         disabled.append(flag_str)
2353
2354                                 if alphabetical:
2355                                         ret = " ".join(enabled)
2356                                 else:
2357                                         ret = " ".join(enabled + disabled + removed)
2358                                 if ret:
2359                                         ret = '%s="%s" ' % (name, ret)
2360                                 return ret
2361
2362                 if verbosity == 3:
2363                         # FIXME: account for the possibility of different overlays in
2364                         # /etc/make.conf vs. ${PORTAGE_CONFIGROOT}/etc/make.conf
2365                         overlays = self.settings["PORTDIR_OVERLAY"].split()
2366                         overlays_real = [os.path.realpath(t) \
2367                                 for t in self.settings["PORTDIR_OVERLAY"].split()]
2368
2369                 tree_nodes = []
2370                 display_list = []
2371                 mygraph = self._parent_child_digraph
2372                 i = 0
2373                 depth = 0
2374                 for x in mylist:
2375                         if "blocks" == x[0]:
2376                                 display_list.append((x, 0, True))
2377                                 continue
2378                         graph_key = tuple(x)
2379                         if "--tree" in self.myopts:
2380                                 depth = len(tree_nodes)
2381                                 while depth and graph_key not in \
2382                                         mygraph.child_nodes(tree_nodes[depth-1]):
2383                                                 depth -= 1
2384                                 if depth:
2385                                         tree_nodes = tree_nodes[:depth]
2386                                         tree_nodes.append(graph_key)
2387                                         display_list.append((x, depth, True))
2388                                 else:
2389                                         traversed_nodes = set() # prevent endless circles
2390                                         traversed_nodes.add(graph_key)
2391                                         def add_parents(current_node, ordered):
2392                                                 parent_nodes = mygraph.parent_nodes(current_node)
2393                                                 if parent_nodes:
2394                                                         child_nodes = set(mygraph.child_nodes(current_node))
2395                                                         selected_parent = None
2396                                                         # First, try to avoid a direct cycle.
2397                                                         for node in parent_nodes:
2398                                                                 if node not in traversed_nodes and \
2399                                                                         node not in child_nodes:
2400                                                                         selected_parent = node
2401                                                                         break
2402                                                         if not selected_parent:
2403                                                                 # A direct cycle is unavoidable.
2404                                                                 for node in parent_nodes:
2405                                                                         if node not in traversed_nodes:
2406                                                                                 selected_parent = node
2407                                                                                 break
2408                                                         if selected_parent:
2409                                                                 traversed_nodes.add(selected_parent)
2410                                                                 add_parents(selected_parent, False)
2411                                                 display_list.append((list(current_node),
2412                                                         len(tree_nodes), ordered))
2413                                                 tree_nodes.append(current_node)
2414                                         tree_nodes = []
2415                                         add_parents(graph_key, True)
2416                         else:
2417                                 display_list.append((x, depth, True))
2418                 mylist = display_list
2419
2420                 last_merge_depth = 0
2421                 for i in xrange(len(mylist)-1,-1,-1):
2422                         graph_key, depth, ordered = mylist[i]
2423                         if not ordered and depth == 0 and i > 0 \
2424                                 and graph_key == mylist[i-1][0] and \
2425                                 mylist[i-1][1] == 0:
2426                                 # An ordered node got a consecutive duplicate when the tree was
2427                                 # being filled in.
2428                                 del mylist[i]
2429                                 continue
2430                         if "blocks" == graph_key[0]:
2431                                 continue
2432                         if ordered and graph_key[-1] != "nomerge":
2433                                 last_merge_depth = depth
2434                                 continue
2435                         if depth >= last_merge_depth or \
2436                                 i < len(mylist) - 1 and \
2437                                 depth >= mylist[i+1][1]:
2438                                         del mylist[i]
2439
2440                 display_overlays=False
2441                 # files to fetch list - avoids counting a same file twice
2442                 # in size display (verbose mode)
2443                 myfetchlist=[]
2444                 for mylist_index in xrange(len(mylist)):
2445                         x, depth, ordered = mylist[mylist_index]
2446                         pkg_type = x[0]
2447                         myroot = x[1]
2448                         pkg_key = x[2]
2449                         portdb = self.trees[myroot]["porttree"].dbapi
2450                         bindb  = self.trees[myroot]["bintree"].dbapi
2451                         vardb = self.trees[myroot]["vartree"].dbapi
2452                         vartree = self.trees[myroot]["vartree"]
2453                         pkgsettings = self.pkgsettings[myroot]
2454
2455                         fetch=" "
2456
2457                         if x[0]=="blocks":
2458                                 addl=""+red("B")+"  "+fetch+"  "
2459                                 if ordered:
2460                                         counters.blocks += 1
2461                                 resolved = portage.key_expand(
2462                                         pkg_key, mydb=vardb, settings=pkgsettings)
2463                                 if "--columns" in self.myopts and "--quiet" in self.myopts:
2464                                         addl = addl + " " + red(resolved)
2465                                 else:
2466                                         addl = "[blocks " + addl + "] " + red(resolved)
2467                                 block_parents = self.blocker_parents[tuple(x)]
2468                                 block_parents = set([pnode[2] for pnode in block_parents])
2469                                 block_parents = ", ".join(block_parents)
2470                                 if resolved!=x[2]:
2471                                         addl += bad(" (\"%s\" is blocking %s)") % \
2472                                                 (pkg_key, block_parents)
2473                                 else:
2474                                         addl += bad(" (is blocking %s)") % block_parents
2475                                 blockers.append(addl)
2476                         else:
2477                                 mydbapi = self.trees[myroot][self.pkg_tree_map[pkg_type]].dbapi
2478                                 binary_package = True
2479                                 if "ebuild" == pkg_type:
2480                                         if "merge" == x[3] or \
2481                                                 not vartree.dbapi.cpv_exists(pkg_key):
2482                                                 """An ebuild "merge" node or a --onlydeps "nomerge"
2483                                                 node."""
2484                                                 binary_package = False
2485                                                 pkgsettings.setcpv(pkg_key, mydb=portdb)
2486                                                 if pkg_key not in self.useFlags[myroot]:
2487                                                         self.useFlags[myroot][pkg_key] = \
2488                                                                 pkgsettings["USE"].split()
2489                                         else:
2490                                                 # An ebuild "nomerge" node, so USE come from the vardb.
2491                                                 mydbapi = vartree.dbapi
2492                                 if pkg_key not in self.useFlags[myroot]:
2493                                         """If this is a --resume then the USE flags need to be
2494                                         fetched from the appropriate locations here."""
2495                                         self.useFlags[myroot][pkg_key] = mydbapi.aux_get(
2496                                                 pkg_key, ["USE"])[0].split()
2497
2498                                 if "ebuild" == pkg_type and x[3] != "nomerge" and \
2499                                         "fetch" in portdb.aux_get(
2500                                         x[2], ["RESTRICT"])[0].split():
2501                                         fetch = red("F")
2502                                         if ordered:
2503                                                 counters.restrict_fetch += 1
2504                                         if portdb.fetch_check(
2505                                                 pkg_key, self.useFlags[myroot][pkg_key]):
2506                                                 fetch = green("f")
2507                                                 if ordered:
2508                                                         counters.restrict_fetch_satisfied += 1
2509
2510                                 #we need to use "--emptrytree" testing here rather than "empty" param testing because "empty"
2511                                 #param is used for -u, where you still *do* want to see when something is being upgraded.
2512                                 myoldbest=""
2513                                 if vardb.cpv_exists(pkg_key):
2514                                         addl="  "+yellow("R")+fetch+"  "
2515                                         if x[3] != "nomerge":
2516                                                 if ordered:
2517                                                         counters.reinst += 1
2518                                 elif vardb.match(portage.dep_getkey(pkg_key)):
2519                                         mynewslot = mydbapi.aux_get(pkg_key, ["SLOT"])[0]
2520                                         myoldlist = self.trees[x[1]]["vartree"].dbapi.match(
2521                                                 portage.pkgsplit(x[2])[0])
2522                                         myinslotlist = [inst_pkg for inst_pkg in myoldlist
2523                                                 if mynewslot == vardb.aux_get(inst_pkg, ["SLOT"])[0]]
2524                                         if myinslotlist:
2525                                                 myoldbest=portage.best(myinslotlist)
2526                                                 addl="   "+fetch
2527                                                 if portage.pkgcmp(portage.pkgsplit(x[2]), portage.pkgsplit(myoldbest)) < 0:
2528                                                         # Downgrade in slot
2529                                                         addl+=turquoise("U")+blue("D")
2530                                                         if ordered:
2531                                                                 counters.downgrades += 1
2532                                                 else:
2533                                                         # Update in slot
2534                                                         addl+=turquoise("U")+" "
2535                                                         if ordered:
2536                                                                 counters.upgrades += 1
2537                                         else:
2538                                                 # New slot, mark it new.
2539                                                 addl=" "+green("NS")+fetch+"  "
2540                                                 if ordered:
2541                                                         counters.newslot += 1
2542
2543                                         if "--changelog" in self.myopts:
2544                                                 slot_atom = "%s:%s" % (portage.dep_getkey(pkg_key),
2545                                                         mydbapi.aux_get(pkg_key, ["SLOT"])[0])
2546                                                 inst_matches = vardb.match(slot_atom)
2547                                                 if inst_matches:
2548                                                         changelogs.extend(self.calc_changelog(
2549                                                                 portdb.findname(pkg_key),
2550                                                                 inst_matches[0], pkg_key))
2551                                 else:
2552                                         addl=" "+green("N")+" "+fetch+"  "
2553                                         if ordered:
2554                                                 counters.new += 1
2555
2556                                 verboseadd=""
2557
2558                                 if pkg_key in self.useFlags[myroot]:
2559                                         # USE flag display
2560                                         cur_iuse = list(filter_iuse_defaults(
2561                                                 mydbapi.aux_get(pkg_key, ["IUSE"])[0].split()))
2562
2563                                         forced_flags = set()
2564                                         if not binary_package:
2565                                                 forced_flags.update(pkgsettings.useforce)
2566                                                 forced_flags.update(pkgsettings.usemask)
2567
2568                                         cur_iuse = portage.unique_array(cur_iuse)
2569                                         cur_iuse.sort()
2570                                         cur_use = self.useFlags[myroot][pkg_key]
2571                                         cur_use = [flag for flag in cur_use if flag in cur_iuse]
2572
2573                                         if myoldbest:
2574                                                 pkg = myoldbest
2575                                         else:
2576                                                 pkg = x[2]
2577                                         if self.trees[x[1]]["vartree"].dbapi.cpv_exists(pkg):
2578                                                 old_iuse, old_use = \
2579                                                         self.trees[x[1]]["vartree"].dbapi.aux_get(
2580                                                                 pkg, ["IUSE", "USE"])
2581                                                 old_iuse = list(set(
2582                                                         filter_iuse_defaults(old_iuse.split())))
2583                                                 old_iuse.sort()
2584                                                 old_use = old_use.split()
2585                                                 is_new = False
2586                                         else:
2587                                                 old_iuse = []
2588                                                 old_use = []
2589                                                 is_new = True
2590
2591                                         old_use = [flag for flag in old_use if flag in old_iuse]
2592
2593                                         use_expand = pkgsettings["USE_EXPAND"].lower().split()
2594                                         use_expand.sort()
2595                                         use_expand.reverse()
2596                                         use_expand_hidden = \
2597                                                 pkgsettings["USE_EXPAND_HIDDEN"].lower().split()
2598
2599                                         def map_to_use_expand(myvals, forcedFlags=False):
2600                                                 ret = {}
2601                                                 forced = {}
2602                                                 for exp in use_expand:
2603                                                         ret[exp] = []
2604                                                         forced[exp] = set()
2605                                                         for val in myvals[:]:
2606                                                                 if val.startswith(exp.lower()+"_"):
2607                                                                         if val in forced_flags:
2608                                                                                 forced[exp].add(val[len(exp)+1:])
2609                                                                         ret[exp].append(val[len(exp)+1:])
2610                                                                         myvals.remove(val)
2611                                                 ret["USE"] = myvals
2612                                                 forced["USE"] = [val for val in myvals \
2613                                                         if val in forced_flags]
2614                                                 for exp in use_expand_hidden:
2615                                                         if exp in ret:
2616                                                                 del ret[exp]
2617                                                 if forcedFlags:
2618                                                         return ret, forced
2619                                                 return ret
2620
2621                                         cur_iuse_map, iuse_forced = \
2622                                                 map_to_use_expand(cur_iuse, forcedFlags=True)
2623                                         cur_use_map = map_to_use_expand(cur_use)
2624                                         old_iuse_map = map_to_use_expand(old_iuse)
2625                                         old_use_map = map_to_use_expand(old_use)
2626
2627                                         use_expand.sort()
2628                                         use_expand.insert(0, "USE")
2629
2630                                         for key in use_expand:
2631                                                 if key in use_expand_hidden:
2632                                                         continue
2633                                                 verboseadd += create_use_string(key.upper(),
2634                                                         cur_iuse_map[key], iuse_forced[key],
2635                                                         cur_use_map[key], old_iuse_map[key],
2636                                                         old_use_map[key], is_new)
2637
2638                                 if verbosity == 3:
2639                                         # size verbose
2640                                         mysize=0
2641                                         if x[0] == "ebuild" and ordered and x[-1] != "nomerge":
2642                                                 try:
2643                                                         myfilesdict = portdb.getfetchsizes(pkg_key,
2644                                                                 useflags=self.useFlags[myroot][pkg_key],
2645                                                                 debug=self.edebug)
2646                                                 except portage.exception.InvalidDependString, e:
2647                                                         src_uri = portdb.aux_get(pkg_key, ["SRC_URI"])[0]
2648                                                         show_invalid_depstring_notice(x, src_uri, str(e))
2649                                                         del e
2650                                                         sys.exit(1)
2651                                                 if myfilesdict is None:
2652                                                         myfilesdict="[empty/missing/bad digest]"
2653                                                 else:
2654                                                         for myfetchfile in myfilesdict.keys():
2655                                                                 if myfetchfile not in myfetchlist:
2656                                                                         mysize+=myfilesdict[myfetchfile]
2657                                                                         myfetchlist.append(myfetchfile)
2658                                                         counters.totalsize += mysize
2659                                                 verboseadd+=format_size(mysize)+" "
2660
2661                                         # overlay verbose
2662                                         # XXX: Invalid binaries have caused tracebacks here. 'if file_name'
2663                                         # x = ['binary', '/', 'sys-apps/pcmcia-cs-3.2.7.2.6', 'merge']
2664                                         file_name = portdb.findname(pkg_key)
2665                                         if file_name: # It might not exist in the tree
2666                                                 dir_name=os.path.abspath(os.path.dirname(file_name)+"/../..")
2667                                                 if (overlays_real.count(dir_name)>0):
2668                                                         verboseadd+=teal("["+str(overlays_real.index(
2669                                                                 os.path.normpath(dir_name))+1)+"]")+" "
2670                                                         display_overlays=True
2671                                         else:
2672                                                 verboseadd += "[No ebuild?]"
2673
2674                                 xs=portage.pkgsplit(x[2])
2675                                 if xs[2]=="r0":
2676                                         xs[2]=""
2677                                 else:
2678                                         xs[2]="-"+xs[2]
2679
2680                                 mywidth = 130
2681                                 if "COLUMNWIDTH" in self.settings:
2682                                         try:
2683                                                 mywidth = int(self.settings["COLUMNWIDTH"])
2684                                         except ValueError, e:
2685                                                 portage.writemsg("!!! %s\n" % str(e), noiselevel=-1)
2686                                                 portage.writemsg(
2687                                                         "!!! Unable to parse COLUMNWIDTH='%s'\n" % \
2688                                                         self.settings["COLUMNWIDTH"], noiselevel=-1)
2689                                                 del e
2690                                 oldlp=mywidth-30
2691                                 newlp=oldlp-30
2692
2693                                 indent = " " * depth
2694
2695                                 if myoldbest:
2696                                         myoldbest=portage.pkgsplit(myoldbest)[1]+"-"+portage.pkgsplit(myoldbest)[2]
2697                                         if myoldbest[-3:]=="-r0":
2698                                                 myoldbest=myoldbest[:-3]
2699                                         myoldbest=blue("["+myoldbest+"]")
2700
2701                                 if x[1]!="/":
2702                                         if myoldbest:
2703                                                 myoldbest +=" "
2704                                         if "--columns" in self.myopts:
2705                                                 if "--quiet" in self.myopts:
2706                                                         myprint=addl+" "+indent+darkgreen(xs[0])
2707                                                         myprint=myprint+darkblue(" "+xs[1]+xs[2])+" "
2708                                                         myprint=myprint+myoldbest
2709                                                         myprint=myprint+darkgreen("to "+x[1])
2710                                                 else:
2711                                                         myprint="["+x[0]+" "+addl+"] "+indent+darkgreen(xs[0])
2712                                                         if (newlp-nc_len(myprint)) > 0:
2713                                                                 myprint=myprint+(" "*(newlp-nc_len(myprint)))
2714                                                         myprint=myprint+"["+darkblue(xs[1]+xs[2])+"] "
2715                                                         if (oldlp-nc_len(myprint)) > 0:
2716                                                                 myprint=myprint+" "*(oldlp-nc_len(myprint))
2717                                                         myprint=myprint+myoldbest
2718                                                         myprint=myprint+darkgreen("to "+x[1])+" "+verboseadd
2719                                         else:
2720                                                 if x[-1] == "nomerge" or not ordered:
2721                                                         myprint = darkblue("[nomerge      ] ")
2722                                                 else:
2723                                                         myprint = "[" + pkg_type + " " + addl + "] "
2724                                                 myprint += indent + darkgreen(pkg_key) + " " + \
2725                                                         myoldbest + darkgreen("to " + myroot) + " " + \
2726                                                         verboseadd
2727                                 else:
2728                                         if "--columns" in self.myopts:
2729                                                 if "--quiet" in self.myopts:
2730                                                         myprint=addl+" "+indent+darkgreen(xs[0])
2731                                                         myprint=myprint+" "+green(xs[1]+xs[2])+" "
2732                                                         myprint=myprint+myoldbest
2733                                                 else:
2734                                                         myprint="["+x[0]+" "+addl+"] "+indent+darkgreen(xs[0])
2735                                                         if (newlp-nc_len(myprint)) > 0:
2736                                                                 myprint=myprint+(" "*(newlp-nc_len(myprint)))
2737                                                         myprint=myprint+green(" ["+xs[1]+xs[2]+"] ")
2738                                                         if (oldlp-nc_len(myprint)) > 0:
2739                                                                 myprint=myprint+(" "*(oldlp-nc_len(myprint)))
2740                                                         myprint=myprint+myoldbest+"  "+verboseadd
2741                                         else:
2742                                                 if x[-1] == "nomerge" or not ordered:
2743                                                         myprint=darkblue("[nomerge      ] "+indent+x[2]+" "+myoldbest+" ")+verboseadd
2744                                                 else:
2745                                                         myprint="["+x[0]+" "+addl+"] "+indent+darkgreen(x[2])+" "+myoldbest+" "+verboseadd
2746                                 p.append(myprint)
2747
2748                         mysplit = portage.pkgsplit(x[2])
2749                         if "--tree" not in self.myopts and mysplit and \
2750                                 len(mysplit) == 3 and mysplit[0] == "sys-apps/portage" and \
2751                                 x[1] == "/":
2752
2753                                 if mysplit[2] == "r0":
2754                                         myversion = mysplit[1]
2755                                 else:
2756                                         myversion = "%s-%s" % (mysplit[1], mysplit[2])
2757
2758                                 if myversion != portage.VERSION and "--quiet" not in self.myopts:
2759                                         if mylist_index < len(mylist) - 1 and \
2760                                                 "livecvsportage" not in self.settings.features:
2761                                                 p.append(colorize("WARN", "*** Portage will stop merging at this point and reload itself,"))
2762                                                 p.append(colorize("WARN", "    then resume the merge."))
2763                                                 print
2764                         del mysplit
2765
2766                 for x in p:
2767                         print x
2768                 for x in blockers:
2769                         print x
2770
2771                 if verbosity == 3:
2772                         print
2773                         print counters
2774                         if overlays and display_overlays:
2775                                 print "Portage overlays:"
2776                                 y=0
2777                                 for x in overlays:
2778                                         y=y+1
2779                                         print " "+teal("["+str(y)+"]"),x
2780
2781                 if "--changelog" in self.myopts:
2782                         print
2783                         for revision,text in changelogs:
2784                                 print bold('*'+revision)
2785                                 sys.stdout.write(text)
2786
2787                 if self._pprovided_args:
2788                         msg = []
2789                         msg.append(bad("\nWARNING: "))
2790                         if len(self._pprovided_args) > 1:
2791                                 msg.append("Requested packages will not be " + \
2792                                         "merged because they are listed in\n")
2793                         else:
2794                                 msg.append("A requested package will not be " + \
2795                                         "merged because it is listed in\n")
2796                         msg.append("         package.provided:\n\n")
2797                         for arg in self._pprovided_args:
2798                                 msg.append("             " + arg + "\n")
2799                         msg.append("\n")
2800                         sys.stderr.write("".join(msg))
2801
2802         def calc_changelog(self,ebuildpath,current,next):
2803                 current = '-'.join(portage.catpkgsplit(current)[1:])
2804                 if current.endswith('-r0'): current = current[:-3]
2805                 next = '-'.join(portage.catpkgsplit(next)[1:])
2806                 if next.endswith('-r0'): next = next[:-3]
2807                 changelogpath = os.path.join(os.path.split(ebuildpath)[0],'ChangeLog')
2808                 try:
2809                         changelog = open(changelogpath).read()
2810                 except SystemExit, e:
2811                         raise # Needed else can't exit
2812                 except:
2813                         return []
2814                 divisions = self.find_changelog_tags(changelog)
2815                 #print 'XX from',current,'to',next
2816                 #for div,text in divisions: print 'XX',div
2817                 # skip entries for all revisions above the one we are about to emerge
2818                 for i in range(len(divisions)):
2819                         if divisions[i][0]==next:
2820                                 divisions = divisions[i:]
2821                                 break
2822                 # find out how many entries we are going to display
2823                 for i in range(len(divisions)):
2824                         if divisions[i][0]==current:
2825                                 divisions = divisions[:i]
2826                                 break
2827                 else:
2828                     # couldnt find the current revision in the list. display nothing
2829                         return []
2830                 return divisions
2831
2832         def find_changelog_tags(self,changelog):
2833                 divs = []
2834                 release = None
2835                 while 1:
2836                         match = re.search(r'^\*\ ?([-a-zA-Z0-9_.+]*)(?:\ .*)?\n',changelog,re.M)
2837                         if match is None:
2838                                 if release is not None:
2839                                         divs.append((release,changelog))
2840                                 return divs
2841                         if release is not None:
2842                                 divs.append((release,changelog[:match.start()]))
2843                         changelog = changelog[match.end():]
2844                         release = match.group(1)
2845                         if release.endswith('.ebuild'):
2846                                 release = release[:-7]
2847                         if release.endswith('-r0'):
2848                                 release = release[:-3]
2849
2850         def outdated(self):
2851                 return self.outdatedpackages
2852
2853 class PackageCounters(object):
2854
2855         def __init__(self):
2856                 self.upgrades   = 0
2857                 self.downgrades = 0
2858                 self.new        = 0
2859                 self.newslot    = 0
2860                 self.reinst     = 0
2861                 self.blocks     = 0
2862                 self.totalsize  = 0
2863                 self.restrict_fetch           = 0
2864                 self.restrict_fetch_satisfied = 0
2865
2866         def __str__(self):
2867                 total_installs = self.upgrades + self.downgrades + self.newslot + self.new + self.reinst
2868                 myoutput = []
2869                 details = []
2870                 myoutput.append("Total: %s package" % total_installs)
2871                 if total_installs != 1:
2872                         myoutput.append("s")
2873                 if total_installs != 0:
2874                         myoutput.append(" (")
2875                 if self.upgrades > 0:
2876                         details.append("%s upgrade" % self.upgrades)
2877                         if self.upgrades > 1:
2878                                 details[-1] += "s"
2879                 if self.downgrades > 0:
2880                         details.append("%s downgrade" % self.downgrades)
2881                         if self.downgrades > 1:
2882                                 details[-1] += "s"
2883                 if self.new > 0:
2884                         details.append("%s new" % self.new)
2885                 if self.newslot > 0:
2886                         details.append("%s in new slot" % self.newslot)
2887                         if self.newslot > 1:
2888                                 details[-1] += "s"
2889                 if self.reinst > 0:
2890                         details.append("%s reinstall" % self.reinst)
2891                         if self.reinst > 1:
2892                                 details[-1] += "s"
2893                 if self.blocks > 0:
2894                         details.append("%s block" % self.blocks)
2895                         if self.blocks > 1:
2896                                 details[-1] += "s"
2897                 myoutput.append(", ".join(details))
2898                 if total_installs != 0:
2899                         myoutput.append(")")
2900                 myoutput.append(", Size of downloads: %s" % format_size(self.totalsize))
2901                 if self.restrict_fetch:
2902                         myoutput.append("\nFetch Restriction: %s package" % \
2903                                 self.restrict_fetch)
2904                         if self.restrict_fetch > 1:
2905                                 myoutput.append("s")
2906                 if self.restrict_fetch_satisfied < self.restrict_fetch:
2907                         myoutput.append(bad(" (%s unsatisfied)") % \
2908                                 (self.restrict_fetch - self.restrict_fetch_satisfied))
2909                 return "".join(myoutput)
2910
2911 class MergeTask(object):
2912
2913         def __init__(self, settings, trees, myopts):
2914                 self.settings = settings
2915                 self.target_root = settings["ROOT"]
2916                 self.trees = trees
2917                 self.myopts = myopts
2918                 self.edebug = 0
2919                 if settings.get("PORTAGE_DEBUG", "") == "1":
2920                         self.edebug = 1
2921                 self.pkgsettings = {}
2922                 self.pkgsettings[self.target_root] = portage.config(clone=settings)
2923                 if self.target_root != "/":
2924                         self.pkgsettings["/"] = \
2925                                 portage.config(clone=trees["/"]["vartree"].settings)
2926
2927         def merge(self, mylist, favorites, mtimedb):
2928                 failed_fetches = []
2929                 mymergelist=[]
2930                 ldpath_mtimes = mtimedb["ldpath"]
2931                 xterm_titles = "notitles" not in self.settings.features
2932
2933                 #check for blocking dependencies
2934                 if "--fetchonly" not in self.myopts and \
2935                         "--fetch-all-uri" not in self.myopts and \
2936                         "--buildpkgonly" not in self.myopts:
2937                         for x in mylist:
2938                                 if x[0]=="blocks":
2939                                         print "\n!!! Error: the "+x[2]+" package conflicts with another package;"
2940                                         print   "!!!        the two packages cannot be installed on the same system together."
2941                                         print   "!!!        Please use 'emerge --pretend' to determine blockers."
2942                                         if "--quiet" not in self.myopts:
2943                                                 show_blocker_docs_link()
2944                                         return 1
2945
2946                 if "--resume" in self.myopts:
2947                         # We're resuming.
2948                         print colorize("GOOD", "*** Resuming merge...")
2949                         emergelog(xterm_titles, " *** Resuming merge...")
2950                         mylist = mtimedb["resume"]["mergelist"][:]
2951                         if "--skipfirst" in self.myopts and mylist:
2952                                 del mtimedb["resume"]["mergelist"][0]
2953                                 del mylist[0]
2954                                 mtimedb.commit()
2955                         validate_merge_list(self.trees, mylist)
2956                         mymergelist = mylist
2957
2958                 # Verify all the manifests now so that the user is notified of failure
2959                 # as soon as possible.
2960                 if "--fetchonly" not in self.myopts and \
2961                         "--fetch-all-uri" not in self.myopts and \
2962                         "strict" in self.settings.features:
2963                         shown_verifying_msg = False
2964                         quiet_settings = {}
2965                         for myroot, pkgsettings in self.pkgsettings.iteritems():
2966                                 quiet_config = portage.config(clone=pkgsettings)
2967                                 quiet_config["PORTAGE_QUIET"] = "1"
2968                                 quiet_config.backup_changes("PORTAGE_QUIET")
2969                                 quiet_settings[myroot] = quiet_config
2970                                 del quiet_config
2971                         for x in mylist:
2972                                 if x[0] != "ebuild" or x[-1] == "nomerge":
2973                                         continue
2974                                 if not shown_verifying_msg:
2975                                         shown_verifying_msg = True
2976                                         print ">>> Verifying ebuild Manifests..."
2977                                 mytype, myroot, mycpv, mystatus = x
2978                                 portdb = self.trees[myroot]["porttree"].dbapi
2979                                 quiet_config = quiet_settings[myroot]
2980                                 quiet_config["O"] = os.path.dirname(portdb.findname(mycpv))
2981                                 if not portage.digestcheck([], quiet_config, strict=True):
2982                                         return 1
2983                                 del x, mytype, myroot, mycpv, mystatus, quiet_config
2984                         del shown_verifying_msg, quiet_settings
2985
2986                 #buildsyspkg: I need mysysdict also on resume (moved from the else block)
2987                 mysysdict = genericdict(getlist(self.settings, "system"))
2988                 if "--resume" not in self.myopts:
2989                         myfavs = portage.grabfile(
2990                                 os.path.join(self.target_root, portage.WORLD_FILE))
2991                         myfavdict=genericdict(myfavs)
2992                         for x in range(len(mylist)):
2993                                 if mylist[x][3]!="nomerge":
2994                                         # Add to the mergelist
2995                                         mymergelist.append(mylist[x])
2996                                 else:
2997                                         myfavkey=portage.cpv_getkey(mylist[x][2])
2998                                         if "--onlydeps" in self.myopts:
2999                                                 continue
3000                                         # Add to the world file. Since we won't be able to later.
3001                                         if "--fetchonly" not in self.myopts and \
3002                                                 myfavkey in favorites:
3003                                                 #don't record if already in system profile or already recorded
3004                                                 if (not mysysdict.has_key(myfavkey)) and (not myfavdict.has_key(myfavkey)):
3005                                                         #we don't have a favorites entry for this package yet; add one
3006                                                         myfavdict[myfavkey]=myfavkey
3007                                                         print ">>> Recording",myfavkey,"in \"world\" favorites file..."
3008                         if not ("--fetchonly" in self.myopts or \
3009                                 "--fetch-all-uri" in self.myopts or \
3010                                 "--pretend" in self.myopts):
3011                                 portage.write_atomic(
3012                                         os.path.join(self.target_root, portage.WORLD_FILE),
3013                                         "\n".join(myfavdict.values()))
3014
3015                         mtimedb["resume"]["mergelist"]=mymergelist[:]
3016                         mtimedb.commit()
3017
3018                 myfeat = self.settings.features[:]
3019                 bad_resume_opts = set(["--ask", "--tree", "--changelog", "--skipfirst",
3020                         "--resume"])
3021                 if "parallel-fetch" in myfeat and \
3022                         not ("--pretend" in self.myopts or \
3023                         "--fetch-all-uri" in self.myopts or \
3024                         "--fetchonly" in self.myopts):
3025                         if "distlocks" not in myfeat:
3026                                 print red("!!!")
3027                                 print red("!!!")+" parallel-fetching requires the distlocks feature enabled"
3028                                 print red("!!!")+" you have it disabled, thus parallel-fetching is being disabled"
3029                                 print red("!!!")
3030                         elif len(mymergelist) > 1:
3031                                 print ">>> starting parallel fetching"
3032                                 fetch_log = "/var/log/emerge-fetch.log"
3033                                 logfile = open(fetch_log, "w")
3034                                 fd_pipes = {1:logfile.fileno(), 2:logfile.fileno()}
3035                                 portage.util.apply_secpass_permissions(fetch_log,
3036                                         uid=portage.portage_uid, gid=portage.portage_gid,
3037                                         mode=0660)
3038                                 fetch_env = os.environ.copy()
3039                                 fetch_env["FEATURES"] = fetch_env.get("FEATURES", "") + " -cvs"
3040                                 fetch_env["PORTAGE_NICENESS"] = "0"
3041                                 fetch_args = [sys.argv[0], "--resume", "--fetchonly"]
3042                                 resume_opts = self.myopts.copy()
3043                                 # For automatic resume, we need to prevent
3044                                 # any of bad_resume_opts from leaking in
3045                                 # via EMERGE_DEFAULT_OPTS.
3046                                 resume_opts["--ignore-default-opts"] = True
3047                                 for myopt, myarg in resume_opts.iteritems():
3048                                         if myopt not in bad_resume_opts:
3049                                                 if myarg is True:
3050                                                         fetch_args.append(myopt)
3051                                                 else:
3052                                                         fetch_args.append(myopt +"="+ myarg)
3053                                 portage.process.spawn(fetch_args, env=fetch_env,
3054                                         fd_pipes=fd_pipes, returnpid=True)
3055                                 logfile.close() # belongs to the spawned process
3056                                 del fetch_log, logfile, fd_pipes, fetch_env, fetch_args, \
3057                                         resume_opts
3058
3059                 mergecount=0
3060                 for x in mymergelist:
3061                         mergecount+=1
3062                         myroot=x[1]
3063                         pkg_key = x[2]
3064                         pkgindex=2
3065                         portdb = self.trees[myroot]["porttree"].dbapi
3066                         bindb  = self.trees[myroot]["bintree"].dbapi
3067                         vartree = self.trees[myroot]["vartree"]
3068                         pkgsettings = self.pkgsettings[myroot]
3069                         if x[0]=="blocks":
3070                                 pkgindex=3
3071                         y = portdb.findname(pkg_key)
3072                         if "--pretend" not in self.myopts:
3073                                 print "\n>>> Emerging (" + \
3074                                         colorize("MERGE_LIST_PROGRESS", str(mergecount)) + " of " + \
3075                                         colorize("MERGE_LIST_PROGRESS", str(len(mymergelist))) + ") " + \
3076                                         colorize("GOOD", x[pkgindex]) + " to " + x[1]
3077                                 emergelog(xterm_titles, " >>> emerge ("+\
3078                                         str(mergecount)+" of "+str(len(mymergelist))+\
3079                                         ") "+x[pkgindex]+" to "+x[1])
3080
3081                         pkgsettings["EMERGE_FROM"] = x[0]
3082                         pkgsettings.backup_changes("EMERGE_FROM")
3083                         pkgsettings.reset()
3084
3085                         #buildsyspkg: Check if we need to _force_ binary package creation
3086                         issyspkg = ("buildsyspkg" in myfeat) \
3087                                         and x[0] != "blocks" \
3088                                         and mysysdict.has_key(portage.cpv_getkey(x[2])) \
3089                                         and "--buildpkg" not in self.myopts
3090                         if x[0] in ["ebuild","blocks"]:
3091                                 if x[0] == "blocks" and "--fetchonly" not in self.myopts:
3092                                         raise Exception, "Merging a blocker"
3093                                 elif "--fetchonly" in self.myopts or \
3094                                         "--fetch-all-uri" in self.myopts:
3095                                         if "--fetch-all-uri" in self.myopts:
3096                                                 retval = portage.doebuild(y, "fetch", myroot,
3097                                                         pkgsettings, self.edebug,
3098                                                         "--pretend" in self.myopts, fetchonly=1,
3099                                                         fetchall=1, mydbapi=portdb, tree="porttree")
3100                                         else:
3101                                                 retval = portage.doebuild(y, "fetch", myroot,
3102                                                         pkgsettings, self.edebug,
3103                                                         "--pretend" in self.myopts, fetchonly=1,
3104                                                         mydbapi=portdb, tree="porttree")
3105                                         if (retval is None) or retval:
3106                                                 print
3107                                                 print "!!! Fetch for",y,"failed, continuing..."
3108                                                 print
3109                                                 failed_fetches.append(pkg_key)
3110                                         continue
3111
3112                                 portage.doebuild_environment(y, "setup", myroot,
3113                                         pkgsettings, self.edebug, 1, portdb)
3114                                 catdir = os.path.dirname(pkgsettings["PORTAGE_BUILDDIR"])
3115                                 portage.util.ensure_dirs(os.path.dirname(catdir),
3116                                         uid=portage.portage_uid, gid=portage.portage_gid,
3117                                         mode=070, mask=0)
3118                                 builddir_lock = None
3119                                 catdir_lock = None
3120                                 try:
3121                                         catdir_lock = portage.locks.lockdir(catdir)
3122                                         portage.util.ensure_dirs(catdir,
3123                                                 uid=portage.portage_uid, gid=portage.portage_gid,
3124                                                 mode=070, mask=0)
3125                                         builddir_lock = portage.locks.lockdir(
3126                                                 pkgsettings["PORTAGE_BUILDDIR"])
3127                                         try:
3128                                                 portage.locks.unlockdir(catdir_lock)
3129                                         finally:
3130                                                 catdir_lock = None
3131                                         msg = " === (%s of %s) Cleaning (%s::%s)" % \
3132                                                 (mergecount, len(mymergelist), pkg_key, y)
3133                                         short_msg = "emerge: (%s of %s) %s Clean" % \
3134                                                 (mergecount, len(mymergelist), pkg_key)
3135                                         emergelog(xterm_titles, msg, short_msg=short_msg)
3136                                         retval = portage.doebuild(y, "clean", myroot,
3137                                                 pkgsettings, self.edebug, cleanup=1,
3138                                                 mydbapi=portdb, tree="porttree")
3139                                         if retval != os.EX_OK:
3140                                                 return retval
3141                                         if "--buildpkg" in self.myopts or issyspkg:
3142                                                 if issyspkg:
3143                                                         print ">>> This is a system package, " + \
3144                                                                 "let's pack a rescue tarball."
3145                                                 msg = " === (%s of %s) Compiling/Packaging (%s::%s)" % \
3146                                                         (mergecount, len(mymergelist), pkg_key, y)
3147                                                 short_msg = "emerge: (%s of %s) %s Compile" % \
3148                                                         (mergecount, len(mymergelist), pkg_key)
3149                                                 emergelog(xterm_titles, msg, short_msg=short_msg)
3150                                                 self.trees[myroot]["bintree"].prevent_collision(pkg_key)
3151                                                 retval = portage.doebuild(y, "package", myroot,
3152                                                         pkgsettings, self.edebug, mydbapi=portdb,
3153                                                         tree="porttree")
3154                                                 if retval != os.EX_OK:
3155                                                         return retval
3156                                                 bintree = self.trees[myroot]["bintree"]
3157                                                 if bintree.populated:
3158                                                         bintree.inject(pkg_key)
3159                                                 if "--buildpkgonly" not in self.myopts:
3160                                                         msg = " === (%s of %s) Merging (%s::%s)" % \
3161                                                                 (mergecount, len(mymergelist), pkg_key, y)
3162                                                         short_msg = "emerge: (%s of %s) %s Merge" % \
3163                                                                 (mergecount, len(mymergelist), pkg_key)
3164                                                         emergelog(xterm_titles, msg, short_msg=short_msg)
3165                                                         retval = portage.merge(pkgsettings["CATEGORY"],
3166                                                                 pkgsettings["PF"], pkgsettings["D"],
3167                                                                 os.path.join(pkgsettings["PORTAGE_BUILDDIR"],
3168                                                                 "build-info"), myroot, pkgsettings,
3169                                                                 myebuild=pkgsettings["EBUILD"],
3170                                                                 mytree="porttree", mydbapi=portdb,
3171                                                                 vartree=vartree, prev_mtimes=ldpath_mtimes)
3172                                                         if retval != os.EX_OK:
3173                                                                 return retval
3174                                                 elif "noclean" not in pkgsettings.features:
3175                                                         portage.doebuild(y, "clean", myroot,
3176                                                                 pkgsettings, self.edebug, mydbapi=portdb,
3177                                                                 tree="porttree")
3178                                         else:
3179                                                 msg = " === (%s of %s) Compiling/Merging (%s::%s)" % \
3180                                                         (mergecount, len(mymergelist), pkg_key, y)
3181                                                 short_msg = "emerge: (%s of %s) %s Compile" % \
3182                                                         (mergecount, len(mymergelist), pkg_key)
3183                                                 emergelog(xterm_titles, msg, short_msg=short_msg)
3184                                                 retval = portage.doebuild(y, "merge", myroot,
3185                                                         pkgsettings, self.edebug, vartree=vartree,
3186                                                         mydbapi=portdb, tree="porttree",
3187                                                         prev_mtimes=ldpath_mtimes)
3188                                                 if retval != os.EX_OK:
3189                                                         return retval
3190                                 finally:
3191                                         if builddir_lock:
3192                                                 portage.locks.unlockdir(builddir_lock)
3193                                         try:
3194                                                 if not catdir_lock:
3195                                                         # Lock catdir for removal if empty.
3196                                                         catdir_lock = portage.locks.lockdir(catdir)
3197                                         finally:
3198                                                 if catdir_lock:
3199                                                         try:
3200                                                                 os.rmdir(catdir)
3201                                                         except OSError, e:
3202                                                                 if e.errno not in (errno.ENOENT,
3203                                                                         errno.ENOTEMPTY, errno.EEXIST):
3204                                                                         raise
3205                                                                 del e
3206                                                         portage.locks.unlockdir(catdir_lock)
3207
3208                         elif x[0]=="binary":
3209                                 #merge the tbz2
3210                                 mytbz2 = self.trees[myroot]["bintree"].getname(pkg_key)
3211                                 if "--getbinpkg" in self.myopts:
3212                                         tbz2_lock = None
3213                                         try:
3214                                                 if "distlocks" in pkgsettings.features and \
3215                                                         os.access(pkgsettings["PKGDIR"], os.W_OK):
3216                                                         portage.util.ensure_dirs(os.path.dirname(mytbz2))
3217                                                         tbz2_lock = portage.locks.lockfile(mytbz2,
3218                                                                 wantnewlockfile=1)
3219                                                 if self.trees[myroot]["bintree"].isremote(pkg_key):
3220                                                         msg = " --- (%s of %s) Fetching Binary (%s::%s)" %\
3221                                                                 (mergecount, len(mymergelist), pkg_key, mytbz2)
3222                                                         short_msg = "emerge: (%s of %s) %s Fetch" % \
3223                                                                 (mergecount, len(mymergelist), pkg_key)
3224                                                         emergelog(xterm_titles, msg, short_msg=short_msg)
3225                                                         if not self.trees[myroot]["bintree"].gettbz2(
3226                                                                 pkg_key):
3227                                                                 return 1
3228                                         finally:
3229                                                 if tbz2_lock:
3230                                                         portage.locks.unlockfile(tbz2_lock)
3231
3232                                 if "--fetchonly" in self.myopts or \
3233                                         "--fetch-all-uri" in self.myopts:
3234                                         continue
3235
3236                                 short_msg = "emerge: ("+str(mergecount)+" of "+str(len(mymergelist))+") "+x[pkgindex]+" Merge Binary"
3237                                 emergelog(xterm_titles, " === ("+str(mergecount)+\
3238                                         " of "+str(len(mymergelist))+") Merging Binary ("+\
3239                                         x[pkgindex]+"::"+mytbz2+")", short_msg=short_msg)
3240                                 retval = portage.pkgmerge(mytbz2, x[1], pkgsettings,
3241                                         mydbapi=bindb,
3242                                         vartree=self.trees[myroot]["vartree"],
3243                                         prev_mtimes=ldpath_mtimes)
3244                                 if retval != os.EX_OK:
3245                                         return retval
3246                                 #need to check for errors
3247                         if "--buildpkgonly" not in self.myopts:
3248                                 self.trees[x[1]]["vartree"].inject(x[2])
3249                                 myfavkey=portage.cpv_getkey(x[2])
3250                                 if "--fetchonly" not in self.myopts and \
3251                                         "--fetch-all-uri" not in self.myopts and \
3252                                         myfavkey in favorites:
3253                                         myfavs = portage.grabfile(os.path.join(myroot, portage.WORLD_FILE))
3254                                         myfavdict=genericdict(myfavs)
3255                                         #don't record if already in system profile or already recorded
3256                                         if (not mysysdict.has_key(myfavkey)) and (not myfavdict.has_key(myfavkey)):
3257                                                 #we don't have a favorites entry for this package yet; add one
3258                                                 myfavdict[myfavkey]=myfavkey
3259                                                 print ">>> Recording",myfavkey,"in \"world\" favorites file..."
3260                                                 emergelog(xterm_titles, " === ("+\
3261                                                         str(mergecount)+" of "+\
3262                                                         str(len(mymergelist))+\
3263                                                         ") Updating world file ("+x[pkgindex]+")")
3264                                                 portage.write_atomic(
3265                                                 os.path.join(myroot, portage.WORLD_FILE),
3266                                                 "\n".join(myfavdict.values()))
3267
3268                                 if "--pretend" not in self.myopts and \
3269                                         "--fetchonly" not in self.myopts and \
3270                                         "--fetch-all-uri" not in self.myopts:
3271                                         # Clean the old package that we have merged over top of it.
3272                                         if pkgsettings.get("AUTOCLEAN", "yes") == "yes":
3273                                                 xsplit=portage.pkgsplit(x[2])
3274                                                 emergelog(xterm_titles, " >>> AUTOCLEAN: " + xsplit[0])
3275                                                 retval = unmerge(pkgsettings, self.myopts, vartree,
3276                                                         "clean", [xsplit[0]], ldpath_mtimes, autoclean=1)
3277                                                 if not retval:
3278                                                         emergelog(xterm_titles,
3279                                                                 " --- AUTOCLEAN: Nothing unmerged.")
3280                                         else:
3281                                                 portage.writemsg_stdout(colorize("WARN", "WARNING:")
3282                                                         + " AUTOCLEAN is disabled.  This can cause serious"
3283                                                         + " problems due to overlapping packages.\n")
3284
3285                                         # Figure out if we need a restart.
3286                                         mysplit=portage.pkgsplit(x[2])
3287                                         if mysplit[0] == "sys-apps/portage" and x[1] == "/":
3288                                                 myver=mysplit[1]+"-"+mysplit[2]
3289                                                 if myver[-3:]=='-r0':
3290                                                         myver=myver[:-3]
3291                                                 if (myver != portage.VERSION) and \
3292                                                    "livecvsportage" not in self.settings.features:
3293                                                         if len(mymergelist) > mergecount:
3294                                                                 emergelog(xterm_titles,
3295                                                                         " ::: completed emerge ("+ \
3296                                                                         str(mergecount)+" of "+ \
3297                                                                         str(len(mymergelist))+") "+ \
3298                                                                         x[2]+" to "+x[1])
3299                                                                 emergelog(xterm_titles, " *** RESTARTING " + \
3300                                                                         "emerge via exec() after change of " + \
3301                                                                         "portage version.")
3302                                                                 del mtimedb["resume"]["mergelist"][0]
3303                                                                 mtimedb.commit()
3304                                                                 portage.run_exitfuncs()
3305                                                                 mynewargv=[sys.argv[0],"--resume"]
3306                                                                 resume_opts = self.myopts.copy()
3307                                                                 # For automatic resume, we need to prevent
3308                                                                 # any of bad_resume_opts from leaking in
3309                                                                 # via EMERGE_DEFAULT_OPTS.
3310                                                                 resume_opts["--ignore-default-opts"] = True
3311                                                                 for myopt, myarg in resume_opts.iteritems():
3312                                                                         if myopt not in bad_resume_opts:
3313                                                                                 if myarg is True:
3314                                                                                         mynewargv.append(myopt)
3315                                                                                 else:
3316                                                                                         mynewargv.append(myopt +"="+ myarg)
3317                                                                 # priority only needs to be adjusted on the first run
3318                                                                 os.environ["PORTAGE_NICENESS"] = "0"
3319                                                                 os.execv(mynewargv[0], mynewargv)
3320
3321                         if "--pretend" not in self.myopts and \
3322                                 "--fetchonly" not in self.myopts and \
3323                                 "--fetch-all-uri" not in self.myopts:
3324                                 if "noclean" not in self.settings.features:
3325                                         short_msg = "emerge: (%s of %s) %s Clean Post" % \
3326                                                 (mergecount, len(mymergelist), x[pkgindex])
3327                                         emergelog(xterm_titles, (" === (%s of %s) " + \
3328                                                 "Post-Build Cleaning (%s::%s)") % \
3329                                                 (mergecount, len(mymergelist), x[pkgindex], y),
3330                                                 short_msg=short_msg)
3331                                 emergelog(xterm_titles, " ::: completed emerge ("+\
3332                                         str(mergecount)+" of "+str(len(mymergelist))+") "+\
3333                                         x[2]+" to "+x[1])
3334
3335                         # Unsafe for parallel merges
3336                         del mtimedb["resume"]["mergelist"][0]
3337                         # Commit after each merge so that --resume may still work in
3338                         # in the event that portage is not allowed to exit normally
3339                         # due to power failure, SIGKILL, etc...
3340                         mtimedb.commit()
3341
3342                 if "--pretend" not in self.myopts:
3343                         emergelog(xterm_titles, " *** Finished. Cleaning up...")
3344
3345                 # We're out of the loop... We're done. Delete the resume data.
3346                 if mtimedb.has_key("resume"):
3347                         del mtimedb["resume"]
3348                 mtimedb.commit()
3349
3350                 #by doing an exit this way, --fetchonly can continue to try to
3351                 #fetch everything even if a particular download fails.
3352                 if "--fetchonly" in self.myopts or "--fetch-all-uri" in self.myopts:
3353                         if failed_fetches:
3354                                 sys.stderr.write("\n\n!!! Some fetch errors were " + \
3355                                         "encountered.  Please see above for details.\n\n")
3356                                 for cpv in failed_fetches:
3357                                         sys.stderr.write("   ")
3358                                         sys.stderr.write(cpv)
3359                                         sys.stderr.write("\n")
3360                                 sys.stderr.write("\n")
3361                                 sys.exit(1)
3362                         else:
3363                                 sys.exit(0)
3364                 return os.EX_OK
3365
3366 def unmerge(settings, myopts, vartree, unmerge_action, unmerge_files,
3367         ldpath_mtimes, autoclean=0):
3368         candidate_catpkgs=[]
3369         global_unmerge=0
3370         xterm_titles = "notitles" not in settings.features
3371
3372         vdb_path = os.path.join(settings["ROOT"], portage.VDB_PATH)
3373         try:
3374                 # At least the parent needs to exist for the lock file.
3375                 portage.util.ensure_dirs(vdb_path)
3376         except portage.exception.PortageException:
3377                 pass
3378         vdb_lock = None
3379         try:
3380                 if os.access(vdb_path, os.W_OK):
3381                         vdb_lock = portage.locks.lockdir(vdb_path)
3382                 realsyslist = getlist(settings, "system")
3383                 syslist = []
3384                 for x in realsyslist:
3385                         mycp = portage.dep_getkey(x)
3386                         if mycp in settings.getvirtuals():
3387                                 providers = []
3388                                 for provider in settings.getvirtuals()[mycp]:
3389                                         if vartree.dbapi.match(provider):
3390                                                 providers.append(provider)
3391                                 if len(providers) == 1:
3392                                         syslist.extend(providers)
3393                         else:
3394                                 syslist.append(mycp)
3395
3396                 mysettings = portage.config(clone=settings)
3397
3398                 if not unmerge_files or "world" in unmerge_files or \
3399                         "system" in unmerge_files:
3400                         if "unmerge"==unmerge_action:
3401                                 print
3402                                 print bold("emerge unmerge") + " can only be used with " + \
3403                                         "specific package names, not with "+bold("world")+" or"
3404                                 print bold("system")+" targets."
3405                                 print
3406                                 return 0
3407                         else:
3408                                 global_unmerge = 1
3409
3410                 localtree = vartree
3411                 # process all arguments and add all
3412                 # valid db entries to candidate_catpkgs
3413                 if global_unmerge:
3414                         if not unmerge_files or "world" in unmerge_files:
3415                                 candidate_catpkgs.extend(vartree.dbapi.cp_all())
3416                         elif "system" in unmerge_files:
3417                                 candidate_catpkgs.extend(getlist(settings, "system"))
3418                 else:
3419                         #we've got command-line arguments
3420                         if not unmerge_files:
3421                                 print "\nNo packages to unmerge have been provided.\n"
3422                                 return 0
3423                         for x in unmerge_files:
3424                                 arg_parts = x.split('/')
3425                                 if x[0] not in [".","/"] and \
3426                                         arg_parts[-1][-7:] != ".ebuild":
3427                                         #possible cat/pkg or dep; treat as such
3428                                         candidate_catpkgs.append(x)
3429                                 elif unmerge_action in ["prune","clean"]:
3430                                         print "\n!!! Prune and clean do not accept individual" + \
3431                                                 " ebuilds as arguments;\n    skipping.\n"
3432                                         continue
3433                                 else:
3434                                         # it appears that the user is specifying an installed
3435                                         # ebuild and we're in "unmerge" mode, so it's ok.
3436                                         if not os.path.exists(x):
3437                                                 print "\n!!! The path '"+x+"' doesn't exist.\n"
3438                                                 return 0
3439
3440                                         absx   = os.path.abspath(x)
3441                                         sp_absx = absx.split("/")
3442                                         if sp_absx[-1][-7:] == ".ebuild":
3443                                                 del sp_absx[-1]
3444                                                 absx = "/".join(sp_absx)
3445
3446                                         sp_absx_len = len(sp_absx)
3447
3448                                         vdb_path = os.path.join(settings["ROOT"], portage.VDB_PATH)
3449                                         vdb_len  = len(vdb_path)
3450
3451                                         sp_vdb     = vdb_path.split("/")
3452                                         sp_vdb_len = len(sp_vdb)
3453
3454                                         if not os.path.exists(absx+"/CONTENTS"):
3455                                                 print "!!! Not a valid db dir: "+str(absx)
3456                                                 return 0
3457
3458                                         if sp_absx_len <= sp_vdb_len:
3459                                                 # The Path is shorter... so it can't be inside the vdb.
3460                                                 print sp_absx
3461                                                 print absx
3462                                                 print "\n!!!",x,"cannot be inside "+ \
3463                                                         vdb_path+"; aborting.\n"
3464                                                 return 0
3465
3466                                         for idx in range(0,sp_vdb_len):
3467                                                 if idx >= sp_absx_len or sp_vdb[idx] != sp_absx[idx]:
3468                                                         print sp_absx
3469                                                         print absx
3470                                                         print "\n!!!", x, "is not inside "+\
3471                                                                 vdb_path+"; aborting.\n"
3472                                                         return 0
3473
3474                                         print "="+"/".join(sp_absx[sp_vdb_len:])
3475                                         candidate_catpkgs.append(
3476                                                 "="+"/".join(sp_absx[sp_vdb_len:]))
3477
3478                 newline=""
3479                 if (not "--quiet" in myopts):
3480                         newline="\n"
3481                 if settings["ROOT"] != "/":
3482                         print darkgreen(newline+ \
3483                                 ">>> Using system located in ROOT tree "+settings["ROOT"])
3484                 if (("--pretend" in myopts) or ("--ask" in myopts)) and \
3485                         not ("--quiet" in myopts):
3486                         print darkgreen(newline+\
3487                                 ">>> These are the packages that would be unmerged:")
3488
3489                 pkgmap={}
3490                 numselected=0
3491                 for x in candidate_catpkgs:
3492                         # cycle through all our candidate deps and determine
3493                         # what will and will not get unmerged
3494                         try:
3495                                 mymatch=localtree.dep_match(x)
3496                         except KeyError:
3497                                 mymatch=None
3498                         except ValueError, errpkgs:
3499                                 print "\n\n!!! The short ebuild name \"" + \
3500                                         x + "\" is ambiguous.  Please specify"
3501                                 print "!!! one of the following fully-qualified " + \
3502                                         "ebuild names instead:\n"
3503                                 for i in errpkgs[0]:
3504                                         print "    " + green(i)
3505                                 print
3506                                 sys.exit(1)
3507
3508                         if not mymatch and x[0] not in "<>=~":
3509                                 #add a "=" if missing
3510                                 mymatch=localtree.dep_match("="+x)
3511                         if not mymatch:
3512                                 portage.writemsg("\n--- Couldn't find '%s' to %s.\n" % \
3513                                         (x, unmerge_action), noiselevel=-1)
3514                                 continue
3515                         mykey = portage.key_expand(
3516                                 portage.dep_getkey(
3517                                         mymatch[0]), mydb=vartree.dbapi, settings=settings)
3518                         if not pkgmap.has_key(mykey):
3519                                 pkgmap[mykey]={"protected":[], "selected":[], "omitted":[] }
3520                         if unmerge_action=="unmerge":
3521                                         for y in mymatch:
3522                                                 if y not in pkgmap[mykey]["selected"]:
3523                                                         pkgmap[mykey]["selected"].append(y)
3524                                                         numselected=numselected+len(mymatch)
3525
3526                         else:
3527                                 #unmerge_action in ["prune", clean"]
3528                                 slotmap={}
3529                                 for mypkg in mymatch:
3530                                         if unmerge_action=="clean":
3531                                                 myslot=localtree.getslot(mypkg)
3532                                         else:
3533                                                 # since we're pruning, we don't care about slots
3534                                                 # and put all the pkgs in together
3535                                                 myslot=0
3536                                         if not slotmap.has_key(myslot):
3537                                                 slotmap[myslot]={}
3538                                         slotmap[myslot][localtree.dbapi.cpv_counter(mypkg)]=mypkg
3539                                 for myslot in slotmap.keys():
3540                                         counterkeys=slotmap[myslot].keys()
3541                                         counterkeys.sort()
3542                                         if not counterkeys:
3543                                                 continue
3544                                         counterkeys.sort()
3545                                         pkgmap[mykey]["protected"].append(
3546                                                 slotmap[myslot][counterkeys[-1]])
3547                                         del counterkeys[-1]
3548                                         #be pretty and get them in order of merge:
3549                                         for ckey in counterkeys:
3550                                                 pkgmap[mykey]["selected"].append(slotmap[myslot][ckey])
3551                                                 numselected=numselected+1
3552                                         # ok, now the last-merged package
3553                                         # is protected, and the rest are selected
3554                 if global_unmerge and not numselected:
3555                         portage.writemsg_stdout("\n>>> No outdated packages were found on your system.\n")
3556                         return 0
3557
3558                 if not numselected:
3559                         portage.writemsg_stdout(
3560                                 "\n>>> No packages selected for removal by " + \
3561                                 unmerge_action + "\n")
3562                         return 0
3563         finally:
3564                 if vdb_lock:
3565                         portage.locks.unlockdir(vdb_lock)
3566         for x in pkgmap.keys():
3567                 for y in localtree.dep_match(x):
3568                         if y not in pkgmap[x]["omitted"] and \
3569                            y not in pkgmap[x]["selected"] and \
3570                            y not in pkgmap[x]["protected"]:
3571                                 pkgmap[x]["omitted"].append(y)
3572                 if global_unmerge and not pkgmap[x]["selected"]:
3573                         #avoid cluttering the preview printout with stuff that isn't getting unmerged
3574                         continue
3575                 if not (pkgmap[x]["protected"] or pkgmap[x]["omitted"]) and (x in syslist):
3576                         print colorize("BAD","\a\n\n!!! '%s' is part of your system profile." % x)
3577                         print colorize("WARN","\a!!! Unmerging it may be damaging to your system.\n")
3578                         if "--pretend" not in myopts and "--ask" not in myopts:
3579                                 countdown(int(settings["EMERGE_WARNING_DELAY"]),
3580                                         colorize("UNMERGE_WARN", "Press Ctrl-C to Stop"))
3581                 print "\n "+white(x)
3582                 for mytype in ["selected","protected","omitted"]:
3583                         portage.writemsg_stdout((mytype + ": ").rjust(14), noiselevel=-1)
3584                         if pkgmap[x][mytype]:
3585                                 for mypkg in pkgmap[x][mytype]:
3586                                         mysplit=portage.catpkgsplit(mypkg)
3587                                         if mysplit[3]=="r0":
3588                                                 myversion=mysplit[2]
3589                                         else:
3590                                                 myversion=mysplit[2]+"-"+mysplit[3]
3591                                         if mytype=="selected":
3592                                                 portage.writemsg_stdout(
3593                                                         colorize("UNMERGE_WARN", myversion + " "), noiselevel=-1)
3594                                         else:
3595                                                 portage.writemsg_stdout(
3596                                                         colorize("GOOD", myversion + " "), noiselevel=-1)
3597                         else:
3598                                 portage.writemsg_stdout("none", noiselevel=-1)
3599                         portage.writemsg_stdout("\n", noiselevel=-1)
3600
3601         portage.writemsg_stdout("\n>>> " + colorize("UNMERGE_WARN", "'Selected'") + \
3602                 " packages are slated for removal.\n")
3603         portage.writemsg_stdout(">>> " + colorize("GOOD", "'Protected'") + \
3604                         " and " + colorize("GOOD", "'omitted'") + \
3605                         " packages will not be removed.\n\n")
3606
3607         if "--pretend" in myopts:
3608                 #we're done... return
3609                 return 0
3610         if "--ask" in myopts:
3611                 if userquery("Would you like to unmerge these packages?")=="No":
3612                         # enter pretend mode for correct formatting of results
3613                         myopts["--pretend"] = True
3614                         print
3615                         print "Quitting."
3616                         print
3617                         return 0
3618         #the real unmerging begins, after a short delay....
3619         if not autoclean:
3620                 countdown(int(settings["CLEAN_DELAY"]), ">>> Unmerging")
3621
3622         for x in pkgmap.keys():
3623                 for y in pkgmap[x]["selected"]:
3624                         print ">>> Unmerging "+y+"..."
3625                         emergelog(xterm_titles, "=== Unmerging... ("+y+")")
3626                         mysplit=y.split("/")
3627                         #unmerge...
3628                         retval = portage.unmerge(mysplit[0], mysplit[1], settings["ROOT"],
3629                                 mysettings, unmerge_action not in ["clean","prune"],
3630                                 vartree=vartree, ldpath_mtimes=ldpath_mtimes)
3631                         if retval != os.EX_OK:
3632                                 emergelog(xterm_titles, " !!! unmerge FAILURE: "+y)
3633                                 ebuild = vartree.dbapi.findname(y)
3634                                 show_unmerge_failure_message(y, ebuild, retval)
3635                                 sys.exit(retval)
3636                         else:
3637                                 clean_world(vartree.dbapi, y)
3638                                 emergelog(xterm_titles, " >>> unmerge success: "+y)
3639         return 1
3640
3641 def show_unmerge_failure_message(pkg, ebuild, retval):
3642
3643         from formatter import AbstractFormatter, DumbWriter
3644         f = AbstractFormatter(DumbWriter(sys.stderr, maxcol=72))
3645
3646         msg = []
3647         msg.append("A removal phase of the '%s' package " % pkg)
3648         msg.append("has failed with exit value %s.  " % retval)
3649         msg.append("The problem occurred while executing ")
3650         msg.append("the ebuild located at '%s'.  " % ebuild)
3651         msg.append("If necessary, manually remove the ebuild " )
3652         msg.append("in order to skip the execution of removal phases.")
3653
3654         f.end_paragraph(1)
3655         for x in msg:
3656                 f.add_flowing_data(x)
3657         f.end_paragraph(1)
3658         f.writer.flush()
3659
3660 def chk_updated_info_files(root, infodirs, prev_mtimes, retval):
3661
3662         if os.path.exists("/usr/bin/install-info"):
3663                 regen_infodirs=[]
3664                 for z in infodirs:
3665                         if z=='':
3666                                 continue
3667                         inforoot=normpath(root+z)
3668                         if os.path.isdir(inforoot):
3669                                 infomtime = long(os.stat(inforoot).st_mtime)
3670                                 if inforoot not in prev_mtimes or \
3671                                         prev_mtimes[inforoot] != infomtime:
3672                                                 regen_infodirs.append(inforoot)
3673
3674                 if not regen_infodirs:
3675                         portage.writemsg_stdout(" "+green("*")+" GNU info directory index is up-to-date.\n")
3676                 else:
3677                         portage.writemsg_stdout(" "+green("*")+" Regenerating GNU info directory index...\n")
3678
3679                         icount=0
3680                         badcount=0
3681                         for inforoot in regen_infodirs:
3682                                 if inforoot=='':
3683                                         continue
3684                                 for filename in ("dir", "dir.gz", "dir.bz2"):
3685                                         file_path = os.path.join(inforoot, filename)
3686                                         try:
3687                                                 os.rename(file_path, file_path + ".old")
3688                                         except OSError, e:
3689                                                 if e.errno != errno.ENOENT:
3690                                                         raise
3691                                                 del e
3692
3693                                 if not os.path.isdir(inforoot):
3694                                         continue
3695                                 errmsg = ""
3696                                 file_list = os.listdir(inforoot)
3697                                 file_list.sort()
3698                                 for x in file_list:
3699                                         if (x[0] == ".") or (x in ["dir","dir.old"]) or (os.path.isdir(inforoot+"/"+x)):
3700                                                 continue
3701                                         myso=commands.getstatusoutput("LANG=C LANGUAGE=C /usr/bin/install-info --dir-file="+inforoot+"/dir "+inforoot+"/"+x)[1]
3702                                         existsstr="already exists, for file `"
3703                                         if myso!="":
3704                                                 if re.search(existsstr,myso):
3705                                                         # Already exists... Don't increment the count for this.
3706                                                         pass
3707                                                 elif myso[:44]=="install-info: warning: no info dir entry in ":
3708                                                         # This info file doesn't contain a DIR-header: install-info produces this
3709                                                         # (harmless) warning (the --quiet switch doesn't seem to work).
3710                                                         # Don't increment the count for this.
3711                                                         pass
3712                                                 else:
3713                                                         badcount=badcount+1
3714                                                         errmsg += myso + "\n"
3715                                         icount=icount+1
3716
3717                                 #update mtime so we can potentially avoid regenerating.
3718                                 prev_mtimes[inforoot] = long(os.stat(inforoot).st_mtime)
3719
3720                         if badcount:
3721                                 print " "+yellow("*")+" Processed",icount,"info files;",badcount,"errors."
3722                                 print errmsg
3723                         else:
3724                                 print " "+green("*")+" Processed",icount,"info files."
3725
3726
3727 def display_news_notification(settings):
3728         target_root = settings["ROOT"]
3729         NEWS_PATH = os.path.join("metadata", "news")
3730         UNREAD_PATH = os.path.join(target_root, NEWS_LIB_PATH, "news")
3731         porttree = portdbapi(porttree_root=settings["PORTDIR"], mysettings=settings)
3732         newsReaderDisplay = False
3733
3734         print
3735         for repo in porttree.getRepositories():
3736                 unreadItems = checkUpdatedNewsItems(target_root, NEWS_PATH, UNREAD_PATH, repo)
3737                 if unreadItems:
3738                         print colorize("WARN", " * IMPORTANT:"),
3739                         print "%s news items need reading for repository '%s'." % (unreadItems, repo)
3740                         newsReaderDisplay = True
3741
3742         if newsReaderDisplay:
3743                 print colorize("WARN", " *"),
3744                 print "Use " + colorize("GOOD", "eselect news") + " to read news items."
3745
3746         print
3747 def post_emerge(settings, mtimedb, retval):
3748         """
3749         Misc. things to run at the end of a merge session.
3750
3751         Update Info Files
3752         Update Config Files
3753         Update News Items
3754         Commit mtimeDB
3755         Display preserved libs warnings
3756         Exit Emerge
3757
3758         @param settings: Configuration settings (typically portage.settings)
3759         @type settings: portage.config()
3760         @param mtimedb: The mtimeDB to store data needed across merge invocations
3761         @type mtimedb: MtimeDB class instance
3762         @param retval: Emerge's return value
3763         @type retval: Int
3764         @rype: None
3765         @returns:
3766         1.  Calls sys.exit(retval)
3767         """
3768         target_root = settings["ROOT"]
3769         info_mtimes = mtimedb["info"]
3770
3771         # Load the most current variables from ${ROOT}/etc/profile.env
3772         settings.unlock()
3773         settings.regenerate()
3774         settings.lock()
3775
3776         config_protect = settings.get("CONFIG_PROTECT","").split()
3777         infodirs = settings.get("INFOPATH","").split(":") + \
3778                 settings.get("INFODIR","").split(":")
3779
3780         os.chdir("/")
3781
3782         emergelog("notitles" not in settings.features,
3783                 " *** exiting successfully.")
3784
3785         if "noinfo" not in settings.features:
3786                 chk_updated_info_files(target_root, infodirs, info_mtimes, retval)
3787
3788         chk_updated_cfg_files(target_root, config_protect)
3789
3790         display_news_notification(settings)
3791
3792         from portage.dbapi.vartree import PreservedLibsRegistry
3793         plib_registry = PreservedLibsRegistry(os.path.join(target_root, CACHE_PATH, "preserved_libs_registry"))
3794         if plib_registry.hasEntries():
3795                 print colorize("WARN", "!!!") + " existing preserved libs:"
3796                 plibdata = plib_registry.getPreservedLibs()
3797                 for cpv in plibdata.keys():
3798                         print colorize("WARN", ">>>") + " package: %s" % cpv
3799                         for f in plibdata[cpv]:
3800                                 print colorize("WARN", " * ") + " - %s" % f
3801                 print "Use " + colorize("GOOD", "revdep-rebuild") + " to rebuild packages using these libraries"
3802                 print "and then remerge the packages listed above."
3803
3804         mtimedb.commit()
3805         sys.exit(retval)
3806
3807
3808 def chk_updated_cfg_files(target_root, config_protect):
3809         if config_protect:
3810                 #number of directories with some protect files in them
3811                 procount=0
3812                 for x in config_protect:
3813                         x = os.path.join(target_root, x.lstrip(os.path.sep))
3814                         try:
3815                                 mymode = os.lstat(x).st_mode
3816                         except OSError:
3817                                 continue
3818                         if stat.S_ISDIR(mymode):
3819                                 mycommand = "cd '%s'; find . -iname '._cfg????_*'" % x
3820                         else:
3821                                 mycommand = "cd '%s'; find . -maxdepth 1 -iname '._cfg????_%s'" % \
3822                                         os.path.split(x.rstrip(os.path.sep))
3823                         a = commands.getstatusoutput(mycommand + \
3824                                 " ! -iname '.*~' ! -iname '.*.bak'")
3825                         if a[0] != 0:
3826                                 print >> sys.stderr, " " + bad("*")+ " error scanning '%s'" % x
3827                         else:
3828                                 files = a[1].split()
3829                                 if files:
3830                                         procount += 1
3831                                         print colorize("WARN", " * IMPORTANT:"),
3832                                         if stat.S_ISDIR(mymode):
3833                                                  print "%d config files in '%s' need updating." % \
3834                                                         (len(files), x)
3835                                         else:
3836                                                  print "config file '%s' needs updating." % x
3837
3838                 if procount:
3839                         #print " "+yellow("*")+" Type "+green("emerge --help config")+" to learn how to update config files."
3840                         print " "+yellow("*")+" Type "+green("emerge --help config")+" to learn how to update config files."
3841
3842 def checkUpdatedNewsItems( root, NEWS_PATH, UNREAD_PATH, repo_id ):
3843         """
3844         Examines news items in repodir + '/' + NEWS_PATH and attempts to find unread items
3845         Returns the number of unread (yet relevent) items.
3846
3847         @param root:
3848         @type root:
3849         @param NEWS_PATH:
3850         @type NEWS_PATH:
3851         @param UNREAD_PATH:
3852         @type UNREAD_PATH:
3853         @param repo_id:
3854         @type repo_id:
3855         @rtype: Integer
3856         @returns:
3857         1.  The number of unread but relevant news items.
3858
3859         """
3860         from portage.news import NewsManager
3861         manager = NewsManager( root, NEWS_PATH, UNREAD_PATH )
3862         return manager.getUnreadItems( repo_id, update=True )
3863
3864 def is_valid_package_atom(x):
3865         try:
3866                 testkey = portage.dep_getkey(x)
3867         except portage.exception.InvalidData:
3868                 return False
3869         if testkey.startswith("null/"):
3870                 testatom = x.replace(testkey[5:], "cat/"+testkey[5:])
3871         elif "/" not in x:
3872                 testatom = "cat/"+x
3873         else:
3874                 testatom = x
3875         return portage.isvalidatom(testatom)
3876
3877 def validate_merge_list(trees, mergelist):
3878         """Validate the list to make sure all the packages are still available.
3879         This is needed for --resume."""
3880         for (pkg_type, myroot, pkg_key, action) in mergelist:
3881                 if pkg_type == "binary" and \
3882                         not trees[myroot]["bintree"].dbapi.match("="+pkg_key) or \
3883                         pkg_type == "ebuild" and \
3884                         not trees[myroot]["porttree"].dbapi.xmatch(
3885                         "match-all", "="+pkg_key):
3886                         print red("!!! Error: The resume list contains packages that are no longer")
3887                         print red("!!!        available to be emerged. Please restart/continue")
3888                         print red("!!!        the merge operation manually.")
3889                         sys.exit(1)
3890
3891 def show_blocker_docs_link():
3892         print
3893         print "For more information about " + bad("Blocked Packages") + ", please refer to the following"
3894         print "section of the Gentoo Linux x86 Handbook (architecture is irrelevant):"
3895         print
3896         print "http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked"
3897         print
3898
3899 def action_sync(settings, trees, mtimedb, myopts, myaction):
3900         xterm_titles = "notitles" not in settings.features
3901         emergelog(xterm_titles, " === sync")
3902         myportdir = settings.get("PORTDIR", None)
3903         if not myportdir:
3904                 sys.stderr.write("!!! PORTDIR is undefined.  Is /etc/make.globals missing?\n")
3905                 sys.exit(1)
3906         if myportdir[-1]=="/":
3907                 myportdir=myportdir[:-1]
3908         if not os.path.exists(myportdir):
3909                 print ">>>",myportdir,"not found, creating it."
3910                 os.makedirs(myportdir,0755)
3911         syncuri=settings["SYNC"].rstrip()
3912         os.umask(0022)
3913         updatecache_flg = False
3914         if myaction == "metadata":
3915                 print "skipping sync"
3916                 updatecache_flg = True
3917                 tmpservertimestampfile = None
3918         elif syncuri[:8]=="rsync://":
3919                 if not os.path.exists("/usr/bin/rsync"):
3920                         print "!!! /usr/bin/rsync does not exist, so rsync support is disabled."
3921                         print "!!! Type \"emerge net-misc/rsync\" to enable rsync support."
3922                         sys.exit(1)
3923                 mytimeout=180
3924
3925                 rsync_opts = []
3926                 import shlex, StringIO
3927                 if settings["PORTAGE_RSYNC_OPTS"] == "":
3928                         portage.writemsg("PORTAGE_RSYNC_OPTS empty or unset, using hardcoded defaults\n")
3929                         rsync_opts.extend([
3930                                 "--recursive",    # Recurse directories
3931                                 "--links",        # Consider symlinks
3932                                 "--safe-links",   # Ignore links outside of tree
3933                                 "--perms",        # Preserve permissions
3934                                 "--times",        # Preserive mod times
3935                                 "--compress",     # Compress the data transmitted
3936                                 "--force",        # Force deletion on non-empty dirs
3937                                 "--whole-file",   # Don't do block transfers, only entire files
3938                                 "--delete",       # Delete files that aren't in the master tree
3939                                 "--delete-after", # Delete only after everything else is done
3940                                 "--stats",        # Show final statistics about what was transfered
3941                                 "--timeout="+str(mytimeout), # IO timeout if not done in X seconds
3942                                 "--exclude=/distfiles",   # Exclude distfiles from consideration
3943                                 "--exclude=/local",       # Exclude local     from consideration
3944                                 "--exclude=/packages",    # Exclude packages  from consideration
3945                                 "--filter=H_**/files/digest-*", # Exclude manifest1 digests and delete on the receiving side
3946                         ])
3947
3948                 else:
3949                         # The below validation is not needed when using the above hardcoded
3950                         # defaults.
3951
3952                         portage.writemsg("Using PORTAGE_RSYNC_OPTS instead of hardcoded defaults\n", 1)
3953                         lexer = shlex.shlex(StringIO.StringIO(
3954                                 settings.get("PORTAGE_RSYNC_OPTS","")), posix=True)
3955                         lexer.whitespace_split = True
3956                         rsync_opts.extend(lexer)
3957                         del lexer
3958
3959                         for opt in ("--recursive", "--times"):
3960                                 if opt not in rsync_opts:
3961                                         portage.writemsg(yellow("WARNING:") + " adding required option " + \
3962                                         "%s not included in PORTAGE_RSYNC_OPTS\n" % opt)
3963                                         rsync_opts.append(opt)
3964
3965                         for exclude in ("distfiles", "local", "packages"):
3966                                 opt = "--exclude=/%s" % exclude
3967                                 if opt not in rsync_opts:
3968                                         portage.writemsg(yellow("WARNING:") + \
3969                                         " adding required option %s not included in "  % opt + \
3970                                         "PORTAGE_RSYNC_OPTS (can be overridden with --exclude='!')\n")
3971                                         rsync_opts.append(opt)
3972
3973                         if settings["RSYNC_TIMEOUT"] != "":
3974                                 portage.writemsg("WARNING: usage of RSYNC_TIMEOUT is deprecated, " + \
3975                                 "use PORTAGE_RSYNC_EXTRA_OPTS instead\n")
3976                                 try:
3977                                         mytimeout = int(settings["RSYNC_TIMEOUT"])
3978                                         rsync_opts.append("--timeout=%d" % mytimeout)
3979                                 except ValueError, e:
3980                                         portage.writemsg("!!! %s\n" % str(e))
3981
3982                         # TODO: determine options required for official servers
3983                         if syncuri.rstrip("/").endswith(".gentoo.org/gentoo-portage"):
3984
3985                                 def rsync_opt_startswith(opt_prefix):
3986                                         for x in rsync_opts:
3987                                                 if x.startswith(opt_prefix):
3988                                                         return True
3989                                         return False
3990
3991                                 if not rsync_opt_startswith("--timeout="):
3992                                         rsync_opts.append("--timeout=%d" % mytimeout)
3993
3994                                 for opt in ("--compress", "--whole-file"):
3995                                         if opt not in rsync_opts:
3996                                                 portage.writemsg(yellow("WARNING:") + " adding required option " + \
3997                                                 "%s not included in PORTAGE_RSYNC_OPTS\n" % opt)
3998                                                 rsync_opts.append(opt)
3999
4000                 if "--quiet" in myopts:
4001                         rsync_opts.append("--quiet")    # Shut up a lot
4002                 else:
4003                         rsync_opts.append("--verbose")  # Print filelist
4004
4005                 if "--verbose" in myopts:
4006                         rsync_opts.append("--progress")  # Progress meter for each file
4007
4008                 if "--debug" in myopts:
4009                         rsync_opts.append("--checksum") # Force checksum on all files
4010
4011                 if settings["RSYNC_EXCLUDEFROM"] != "":
4012                         portage.writemsg(yellow("WARNING:") + \
4013                         " usage of RSYNC_EXCLUDEFROM is deprecated, use " + \
4014                         "PORTAGE_RSYNC_EXTRA_OPTS instead\n")
4015                         if os.path.exists(settings["RSYNC_EXCLUDEFROM"]):
4016                                 rsync_opts.append("--exclude-from=%s" % \
4017                                 settings["RSYNC_EXCLUDEFROM"])
4018                         else:
4019                                 portage.writemsg("!!! RSYNC_EXCLUDEFROM specified," + \
4020                                 " but file does not exist.\n")
4021
4022                 if settings["RSYNC_RATELIMIT"] != "":
4023                         portage.writemsg(yellow("WARNING:") + \
4024                         " usage of RSYNC_RATELIMIT is deprecated, use " + \
4025                         "PORTAGE_RSYNC_EXTRA_OPTS instead")
4026                         rsync_opts.append("--bwlimit=%s" % \
4027                         settings["RSYNC_RATELIMIT"])
4028
4029                 # Real local timestamp file.
4030                 servertimestampfile = os.path.join(
4031                         myportdir, "metadata", "timestamp.chk")
4032                 # Temporary file for remote server timestamp comparison.
4033                 tmpservertimestampfile = os.path.join(
4034                         settings["PORTAGE_TMPDIR"], "timestamp.chk")
4035
4036                 content = portage.util.grabfile(servertimestampfile)
4037                 mytimestamp = 0
4038                 if content:
4039                         try:
4040                                 mytimestamp = time.mktime(time.strptime(content[0],
4041                                         "%a, %d %b %Y %H:%M:%S +0000"))
4042                         except (OverflowError, ValueError):
4043                                 pass
4044                 del content
4045
4046                 try:
4047                         if settings.has_key("RSYNC_RETRIES"):
4048                                 print yellow("WARNING:")+" usage of RSYNC_RETRIES is deprecated, use PORTAGE_RSYNC_RETRIES instead"
4049                                 maxretries=int(settings["RSYNC_RETRIES"])
4050                         else:
4051                                 maxretries=int(settings["PORTAGE_RSYNC_RETRIES"])
4052                 except SystemExit, e:
4053                         raise # Needed else can't exit
4054                 except:
4055                         maxretries=3 #default number of retries
4056
4057                 retries=0
4058                 user_name, hostname, port = re.split(
4059                         "rsync://([^:/]+@)?([^:/]*)(:[0-9]+)?", syncuri, maxsplit=3)[1:4]
4060                 if port is None:
4061                         port=""
4062                 if user_name is None:
4063                         user_name=""
4064                 updatecache_flg=True
4065                 all_rsync_opts = set(rsync_opts)
4066                 lexer = shlex.shlex(StringIO.StringIO(
4067                         settings.get("PORTAGE_RSYNC_EXTRA_OPTS","")), posix=True)
4068                 lexer.whitespace_split = True
4069                 extra_rsync_opts = list(lexer)
4070                 del lexer
4071                 all_rsync_opts.update(extra_rsync_opts)
4072                 family = socket.AF_INET
4073                 if "-4" in all_rsync_opts or "--ipv4" in all_rsync_opts:
4074                         family = socket.AF_INET
4075                 elif socket.has_ipv6 and \
4076                         ("-6" in all_rsync_opts or "--ipv6" in all_rsync_opts):
4077                         family = socket.AF_INET6
4078                 ips=[]
4079                 while (1):
4080                         if ips:
4081                                 del ips[0]
4082                         if ips==[]:
4083                                 try:
4084                                         for addrinfo in socket.getaddrinfo(
4085                                                 hostname, None, family, socket.SOCK_STREAM):
4086                                                 if addrinfo[0] == socket.AF_INET6:
4087                                                         # IPv6 addresses need to be enclosed in square brackets
4088                                                         ips.append("[%s]" % addrinfo[4][0])
4089                                                 else:
4090                                                         ips.append(addrinfo[4][0])
4091                                         from random import shuffle
4092                                         shuffle(ips)
4093                                 except SystemExit, e:
4094                                         raise # Needed else can't exit
4095                                 except Exception, e:
4096                                         print "Notice:",str(e)
4097                                         dosyncuri=syncuri
4098
4099                         if ips:
4100                                 try:
4101                                         dosyncuri = syncuri.replace(
4102                                                 "//" + user_name + hostname + port + "/",
4103                                                 "//" + user_name + ips[0] + port + "/", 1)
4104                                 except SystemExit, e:
4105                                         raise # Needed else can't exit
4106                                 except Exception, e:
4107                                         print "Notice:",str(e)
4108                                         dosyncuri=syncuri
4109
4110                         if (retries==0):
4111                                 if "--ask" in myopts:
4112                                         if userquery("Do you want to sync your Portage tree with the mirror at\n" + blue(dosyncuri) + bold("?"))=="No":
4113                                                 print
4114                                                 print "Quitting."
4115                                                 print
4116                                                 sys.exit(0)
4117                                 emergelog(xterm_titles, ">>> Starting rsync with " + dosyncuri)
4118                                 if "--quiet" not in myopts:
4119                                         print ">>> Starting rsync with "+dosyncuri+"..."
4120                         else:
4121                                 emergelog(xterm_titles,
4122                                         ">>> Starting retry %d of %d with %s" % \
4123                                                 (retries,maxretries,dosyncuri))
4124                                 print "\n\n>>> Starting retry %d of %d with %s" % (retries,maxretries,dosyncuri)
4125
4126                         if mytimestamp != 0 and "--quiet" not in myopts:
4127                                 print ">>> Checking server timestamp ..."
4128
4129                         rsynccommand = ["/usr/bin/rsync"] + rsync_opts + extra_rsync_opts
4130
4131                         if "--debug" in myopts:
4132                                 print rsynccommand
4133
4134                         exitcode = os.EX_OK
4135                         servertimestamp = 0
4136                         # Even if there's no timestamp available locally, fetch the
4137                         # timestamp anyway as an initial probe to verify that the server is
4138                         # responsive.  This protects us from hanging indefinitely on a
4139                         # connection attempt to an unresponsive server which rsync's
4140                         # --timeout option does not prevent.
4141                         if True:
4142                                 mycommand = rsynccommand[:]
4143                                 mycommand.append(dosyncuri.rstrip("/") + \
4144                                         "/metadata/timestamp.chk")
4145                                 mycommand.append(tmpservertimestampfile)
4146                                 content = None
4147                                 mypids = []
4148                                 try:
4149                                         def timeout_handler(signum, frame):
4150                                                 raise portage.exception.PortageException("timed out")
4151                                         signal.signal(signal.SIGALRM, timeout_handler)
4152                                         # Timeout here in case the server is unresponsive.  The
4153                                         # --timeout rsync option doesn't apply to the initial
4154                                         # connection attempt.
4155                                         signal.alarm(15)
4156                                         try:
4157                                                 mypids.extend(portage.process.spawn(
4158                                                         mycommand, env=settings.environ(), returnpid=True))
4159                                                 exitcode = os.waitpid(mypids[0], 0)[1]
4160                                                 content = portage.grabfile(tmpservertimestampfile)
4161                                         finally:
4162                                                 signal.alarm(0)
4163                                                 try:
4164                                                         os.unlink(tmpservertimestampfile)
4165                                                 except OSError:
4166                                                         pass
4167                                 except portage.exception.PortageException, e:
4168                                         # timed out
4169                                         print e
4170                                         del e
4171                                         if mypids and os.waitpid(mypids[0], os.WNOHANG) == (0,0):
4172                                                 os.kill(mypids[0], signal.SIGTERM)
4173                                                 os.waitpid(mypids[0], 0)
4174                                         # This is the same code rsync uses for timeout.
4175                                         exitcode = 30
4176                                 else:
4177                                         if exitcode != os.EX_OK:
4178                                                 if exitcode & 0xff:
4179                                                         exitcode = (exitcode & 0xff) << 8
4180                                                 else:
4181                                                         exitcode = exitcode >> 8
4182                                 if mypids:
4183                                         portage.process.spawned_pids.remove(mypids[0])
4184                                 if content:
4185                                         try:
4186                                                 servertimestamp = time.mktime(time.strptime(
4187                                                         content[0], "%a, %d %b %Y %H:%M:%S +0000"))
4188                                         except (OverflowError, ValueError):
4189                                                 pass
4190                                 del mycommand, mypids, content
4191                         if exitcode == os.EX_OK:
4192                                 if (servertimestamp != 0) and (servertimestamp == mytimestamp):
4193                                         emergelog(xterm_titles,
4194                                                 ">>> Cancelling sync -- Already current.")
4195                                         print
4196                                         print ">>>"
4197                                         print ">>> Timestamps on the server and in the local repository are the same."
4198                                         print ">>> Cancelling all further sync action. You are already up to date."
4199                                         print ">>>"
4200                                         print ">>> In order to force sync, remove '%s'." % servertimestampfile
4201                                         print ">>>"
4202                                         print
4203                                         sys.exit(0)
4204                                 elif (servertimestamp != 0) and (servertimestamp < mytimestamp):
4205                                         emergelog(xterm_titles,
4206                                                 ">>> Server out of date: %s" % dosyncuri)
4207                                         print
4208                                         print ">>>"
4209                                         print ">>> SERVER OUT OF DATE: %s" % dosyncuri
4210                                         print ">>>"
4211                                         print ">>> In order to force sync, remove '%s'." % servertimestampfile
4212                                         print ">>>"
4213                                         print
4214                                 elif (servertimestamp == 0) or (servertimestamp > mytimestamp):
4215                                         # actual sync
4216                                         mycommand = rsynccommand + [dosyncuri+"/", myportdir]
4217                                         exitcode = portage.process.spawn(mycommand,
4218                                                 env=settings.environ())
4219                                         if exitcode in [0,1,3,4,11,14,20,21]:
4220                                                 break
4221                         elif exitcode in [1,3,4,11,14,20,21]:
4222                                 break
4223                         else:
4224                                 # Code 2 indicates protocol incompatibility, which is expected
4225                                 # for servers with protocol < 29 that don't support
4226                                 # --prune-empty-directories.  Retry for a server that supports
4227                                 # at least rsync protocol version 29 (>=rsync-2.6.4).
4228                                 pass
4229
4230                         retries=retries+1
4231
4232                         if retries<=maxretries:
4233                                 print ">>> Retrying..."
4234                                 time.sleep(11)
4235                         else:
4236                                 # over retries
4237                                 # exit loop
4238                                 updatecache_flg=False
4239                                 break
4240
4241                 if (exitcode==0):
4242                         emergelog(xterm_titles, "=== Sync completed with %s" % dosyncuri)
4243                 elif (exitcode>0):
4244                         print
4245                         if exitcode==1:
4246                                 print darkred("!!!")+green(" Rsync has reported that there is a syntax error. Please ensure")
4247                                 print darkred("!!!")+green(" that your SYNC statement is proper.")
4248                                 print darkred("!!!")+green(" SYNC="+settings["SYNC"])
4249                         elif exitcode==11:
4250                                 print darkred("!!!")+green(" Rsync has reported that there is a File IO error. Normally")
4251                                 print darkred("!!!")+green(" this means your disk is full, but can be caused by corruption")
4252                                 print darkred("!!!")+green(" on the filesystem that contains PORTDIR. Please investigate")
4253                                 print darkred("!!!")+green(" and try again after the problem has been fixed.")
4254                                 print darkred("!!!")+green(" PORTDIR="+settings["PORTDIR"])
4255                         elif exitcode==20:
4256                                 print darkred("!!!")+green(" Rsync was killed before it finished.")
4257                         else:
4258                                 print darkred("!!!")+green(" Rsync has not successfully finished. It is recommended that you keep")
4259                                 print darkred("!!!")+green(" trying or that you use the 'emerge-webrsync' option if you are unable")
4260                                 print darkred("!!!")+green(" to use rsync due to firewall or other restrictions. This should be a")
4261                                 print darkred("!!!")+green(" temporary problem unless complications exist with your network")
4262                                 print darkred("!!!")+green(" (and possibly your system's filesystem) configuration.")
4263                         print
4264                         sys.exit(exitcode)
4265         elif syncuri[:6]=="cvs://":
4266                 if not os.path.exists("/usr/bin/cvs"):
4267                         print "!!! /usr/bin/cvs does not exist, so CVS support is disabled."
4268                         print "!!! Type \"emerge dev-util/cvs\" to enable CVS support."
4269                         sys.exit(1)
4270                 cvsroot=syncuri[6:]
4271                 cvsdir=os.path.dirname(myportdir)
4272                 if not os.path.exists(myportdir+"/CVS"):
4273                         #initial checkout
4274                         print ">>> Starting initial cvs checkout with "+syncuri+"..."
4275                         if os.path.exists(cvsdir+"/gentoo-x86"):
4276                                 print "!!! existing",cvsdir+"/gentoo-x86 directory; exiting."
4277                                 sys.exit(1)
4278                         try:
4279                                 os.rmdir(myportdir)
4280                         except OSError, e:
4281                                 if e.errno != errno.ENOENT:
4282                                         sys.stderr.write(
4283                                                 "!!! existing '%s' directory; exiting.\n" % myportdir)
4284                                         sys.exit(1)
4285                                 del e
4286                         if portage.spawn("cd "+cvsdir+"; cvs -z0 -d "+cvsroot+" co -P gentoo-x86",settings,free=1):
4287                                 print "!!! cvs checkout error; exiting."
4288                                 sys.exit(1)
4289                         os.rename(os.path.join(cvsdir, "gentoo-x86"), myportdir)
4290                 else:
4291                         #cvs update
4292                         print ">>> Starting cvs update with "+syncuri+"..."
4293                         retval = portage.spawn("cd '%s'; cvs -z0 -q update -dP" % \
4294                                 myportdir, settings, free=1)
4295                         if retval != os.EX_OK:
4296                                 sys.exit(retval)
4297                 dosyncuri = syncuri
4298         else:
4299                 print "!!! rsync setting: ",syncuri,"not recognized; exiting."
4300                 sys.exit(1)
4301
4302         if updatecache_flg and  \
4303                 myaction != "metadata" and \
4304                 "metadata-transfer" not in settings.features:
4305                 updatecache_flg = False
4306
4307         # Reload the whole config from scratch.
4308         settings, trees, mtimedb = load_emerge_config(trees=trees)
4309         portdb = trees[settings["ROOT"]]["porttree"].dbapi
4310
4311         if os.path.exists(myportdir+"/metadata/cache") and updatecache_flg:
4312                 action_metadata(settings, portdb, myopts)
4313
4314         if portage.global_updates(settings, trees, mtimedb["updates"]):
4315                 mtimedb.commit()
4316                 # Reload the whole config from scratch.
4317                 settings, trees, mtimedb = load_emerge_config(trees=trees)
4318                 portdb = trees[settings["ROOT"]]["porttree"].dbapi
4319
4320         mybestpv = portdb.xmatch("bestmatch-visible", "sys-apps/portage")
4321         mypvs = portage.best(
4322                 trees[settings["ROOT"]]["vartree"].dbapi.match("sys-apps/portage"))
4323
4324         chk_updated_cfg_files("/", settings.get("CONFIG_PROTECT","").split())
4325
4326         if myaction != "metadata":
4327                 if os.access(portage.USER_CONFIG_PATH + "/bin/post_sync", os.X_OK):
4328                         retval = portage.process.spawn(
4329                                 [os.path.join(portage.USER_CONFIG_PATH, "bin", "post_sync"),
4330                                 dosyncuri], env=settings.environ())
4331                         if retval != os.EX_OK:
4332                                 print red(" * ")+bold("spawn failed of "+ portage.USER_CONFIG_PATH + "/bin/post_sync")
4333
4334         if(mybestpv != mypvs) and not "--quiet" in myopts:
4335                 print
4336                 print red(" * ")+bold("An update to portage is available.")+" It is _highly_ recommended"
4337                 print red(" * ")+"that you update portage now, before any other packages are updated."
4338                 print red(" * ")+"Please run 'emerge portage' and then update "+bold("ALL")+" of your"
4339                 print red(" * ")+"configuration files."
4340                 print red(" * ")+"To update portage, run 'emerge portage'."
4341                 print
4342
4343         display_news_notification(settings)
4344
4345 def action_metadata(settings, portdb, myopts):
4346         portage.writemsg_stdout("\n>>> Updating Portage cache:      ")
4347         old_umask = os.umask(0002)
4348         cachedir = os.path.normpath(settings.depcachedir)
4349         if cachedir in ["/",    "/bin", "/dev",  "/etc",  "/home",
4350                                         "/lib", "/opt", "/proc", "/root", "/sbin",
4351                                         "/sys", "/tmp", "/usr",  "/var"]:
4352                 print >> sys.stderr, "!!! PORTAGE_DEPCACHEDIR IS SET TO A PRIMARY " + \
4353                         "ROOT DIRECTORY ON YOUR SYSTEM."
4354                 print >> sys.stderr, \
4355                         "!!! This is ALMOST CERTAINLY NOT what you want: '%s'" % cachedir
4356                 sys.exit(73)
4357         if not os.path.exists(cachedir):
4358                 os.mkdir(cachedir)
4359
4360         ec = portage.eclass_cache.cache(portdb.porttree_root)
4361         myportdir = os.path.realpath(settings["PORTDIR"])
4362         cm = settings.load_best_module("portdbapi.metadbmodule")(
4363                 myportdir, "metadata/cache", portage.auxdbkeys[:])
4364
4365         from portage.cache import util
4366
4367         class percentage_noise_maker(util.quiet_mirroring):
4368                 def __init__(self, dbapi):
4369                         self.dbapi = dbapi
4370                         self.cp_all = dbapi.cp_all()
4371                         l = len(self.cp_all)
4372                         self.call_update_min = 100000000
4373                         self.min_cp_all = l/100.0
4374                         self.count = 1
4375                         self.pstr = ''
4376
4377                 def __iter__(self):
4378                         for x in self.cp_all:
4379                                 self.count += 1
4380                                 if self.count > self.min_cp_all:
4381                                         self.call_update_min = 0
4382                                         self.count = 0
4383                                 for y in self.dbapi.cp_list(x):
4384                                         yield y
4385                         self.call_update_mine = 0
4386
4387                 def update(self, *arg):
4388                         try:                            self.pstr = int(self.pstr) + 1
4389                         except ValueError:      self.pstr = 1
4390                         sys.stdout.write("%s%i%%" % \
4391                                 ("\b" * (len(str(self.pstr))+1), self.pstr))
4392                         sys.stdout.flush()
4393                         self.call_update_min = 10000000
4394
4395                 def finish(self, *arg):
4396                         sys.stdout.write("\b\b\b\b100%\n")
4397                         sys.stdout.flush()
4398
4399         if "--quiet" in myopts:
4400                 def quicky_cpv_generator(cp_all_list):
4401                         for x in cp_all_list:
4402                                 for y in portdb.cp_list(x):
4403                                         yield y
4404                 source = quicky_cpv_generator(portdb.cp_all())
4405                 noise_maker = portage.cache.util.quiet_mirroring()
4406         else:
4407                 noise_maker = source = percentage_noise_maker(portdb)
4408         portage.cache.util.mirror_cache(source, cm, portdb.auxdb[myportdir],
4409                 eclass_cache=ec, verbose_instance=noise_maker)
4410
4411         sys.stdout.flush()
4412         os.umask(old_umask)
4413
4414 def action_regen(settings, portdb):
4415         xterm_titles = "notitles" not in settings.features
4416         emergelog(xterm_titles, " === regen")
4417         #regenerate cache entries
4418         print "Regenerating cache entries... "
4419         try:
4420                 os.close(sys.stdin.fileno())
4421         except SystemExit, e:
4422                 raise # Needed else can't exit
4423         except:
4424                 pass
4425         sys.stdout.flush()
4426         mynodes = portdb.cp_all()
4427         from portage.cache.cache_errors import CacheError
4428         dead_nodes = {}
4429         for mytree in portdb.porttrees:
4430                 try:
4431                         dead_nodes[mytree] = set(portdb.auxdb[mytree].iterkeys())
4432                 except CacheError, e:
4433                         print "\n  error listing cache entries for " + \
4434                                 "'%s': %s, continuing..." % (mytree, e)
4435                         del e
4436                         dead_nodes = None
4437                         break
4438         for x in mynodes:
4439                 mymatches = portdb.cp_list(x)
4440                 portage.writemsg_stdout("processing %s\n" % x)
4441                 for y in mymatches:
4442                         try:
4443                                 foo = portdb.aux_get(y,["DEPEND"])
4444                         except SystemExit, e:
4445                                 # sys.exit is an exception... And consequently, we can't catch it.
4446                                 raise
4447                         except Exception, e:
4448                                 print "\n  error processing %(cpv)s, continuing... (%(e)s)" % {"cpv":y,"e":str(e)}
4449                         if dead_nodes:
4450                                 for mytree in portdb.porttrees:
4451                                         if portdb.findname2(y, mytree=mytree)[0]:
4452                                                 dead_nodes[mytree].discard(y)
4453         if dead_nodes:
4454                 for mytree, nodes in dead_nodes.iteritems():
4455                         auxdb = portdb.auxdb[mytree]
4456                         for y in nodes:
4457                                 try:
4458                                         del auxdb[y]
4459                                 except (KeyError, CacheError):
4460                                         pass
4461         print "done!"
4462
4463 def action_config(settings, trees, myopts, myfiles):
4464         if len(myfiles) != 1 or "system" in myfiles or "world" in myfiles:
4465                 print red("!!! config can only take a single package atom at this time\n")
4466                 sys.exit(1)
4467         if not is_valid_package_atom(myfiles[0]):
4468                 portage.writemsg("!!! '%s' is not a valid package atom.\n" % myfiles[0],
4469                         noiselevel=-1)
4470                 portage.writemsg("!!! Please check ebuild(5) for full details.\n")
4471                 portage.writemsg("!!! (Did you specify a version but forget to prefix with '='?)\n")
4472                 sys.exit(1)
4473         print
4474         try:
4475                 pkgs = trees[settings["ROOT"]]["vartree"].dbapi.match(myfiles[0])
4476         except ValueError, e:
4477                 # Multiple matches thrown from cpv_expand
4478                 pkgs = e.args[0]
4479         if len(pkgs) == 0:
4480                 print "No packages found.\n"
4481                 sys.exit(0)
4482         elif len(pkgs) > 1:
4483                 if "--ask" in myopts:
4484                         options = []
4485                         print "Please select a package to configure:"
4486                         idx = 0
4487                         for pkg in pkgs:
4488                                 idx += 1
4489                                 options.append(str(idx))
4490                                 print options[-1]+") "+pkg
4491                         print "X) Cancel"
4492                         options.append("X")
4493                         idx = userquery("Selection?", options)
4494                         if idx == "X":
4495                                 sys.exit(0)
4496                         pkg = pkgs[int(idx)-1]
4497                 else:
4498                         print "The following packages available:"
4499                         for pkg in pkgs:
4500                                 print "* "+pkg
4501                         print "\nPlease use a specific atom or the --ask option."
4502                         sys.exit(1)
4503         else:
4504                 pkg = pkgs[0]
4505
4506         print
4507         if "--ask" in myopts:
4508                 if userquery("Ready to configure "+pkg+"?") == "No":
4509                         sys.exit(0)
4510         else:
4511                 print "Configuring pkg..."
4512         print
4513         ebuildpath = trees[settings["ROOT"]]["vartree"].dbapi.findname(pkg)
4514         mysettings = portage.config(clone=settings)
4515         portage.doebuild(ebuildpath, "config", settings["ROOT"], mysettings,
4516                 debug=(settings.get("PORTAGE_DEBUG", "") == 1), cleanup=True,
4517                 mydbapi=trees[settings["ROOT"]]["vartree"].dbapi, tree="vartree")
4518         print
4519
4520 def action_info(settings, trees, myopts, myfiles):
4521         unameout=commands.getstatusoutput("uname -mrp")[1]
4522         print getportageversion(settings["PORTDIR"], settings["ROOT"],
4523                 settings.profile_path, settings["CHOST"],
4524                 trees[settings["ROOT"]]["vartree"].dbapi)
4525         header_width = 65
4526         header_title = "System Settings"
4527         if myfiles:
4528                 print header_width * "="
4529                 print header_title.rjust(int(header_width/2 + len(header_title)/2))
4530         print header_width * "="
4531         print "System uname: "+unameout
4532         gentoo_release = portage.grabfile(os.path.join(
4533                 settings["PORTAGE_CONFIGROOT"], "etc", "gentoo-release"))
4534         if gentoo_release:
4535                 print gentoo_release[0]
4536         else:
4537                 print "Unknown Host Operating System"
4538         lastSync = portage.grabfile(os.path.join(
4539                 settings["PORTDIR"], "metadata", "timestamp.chk"))
4540         print "Timestamp of tree:",
4541         if lastSync:
4542                 print lastSync[0]
4543         else:
4544                 print "Unknown"
4545
4546         output=commands.getstatusoutput("distcc --version")
4547         if not output[0]:
4548                 print str(output[1].split("\n",1)[0]),
4549                 if "distcc" in settings.features:
4550                         print "[enabled]"
4551                 else:
4552                         print "[disabled]"
4553
4554         output=commands.getstatusoutput("ccache -V")
4555         if not output[0]:
4556                 print str(output[1].split("\n",1)[0]),
4557                 if "ccache" in settings.features:
4558                         print "[enabled]"
4559                 else:
4560                         print "[disabled]"
4561
4562         myvars  = ["sys-devel/autoconf", "sys-devel/automake", "virtual/os-headers",
4563                    "sys-devel/binutils", "sys-devel/libtool",  "dev-lang/python"]
4564         myvars += portage.util.grabfile(settings["PORTDIR"]+"/profiles/info_pkgs")
4565         myvars  = portage.util.unique_array(myvars)
4566         myvars.sort()
4567
4568         for x in myvars:
4569                 if portage.isvalidatom(x):
4570                         pkg_matches = trees["/"]["vartree"].dbapi.match(x)
4571                         pkg_matches = [portage.catpkgsplit(cpv)[1:] for cpv in pkg_matches]
4572                         pkg_matches.sort(portage.pkgcmp)
4573                         pkgs = []
4574                         for pn, ver, rev in pkg_matches:
4575                                 if rev != "r0":
4576                                         pkgs.append(ver + "-" + rev)
4577                                 else:
4578                                         pkgs.append(ver)
4579                         if pkgs:
4580                                 pkgs = ", ".join(pkgs)
4581                                 print "%-20s %s" % (x+":", pkgs)
4582                 else:
4583                         print "%-20s %s" % (x+":", "[NOT VALID]")
4584
4585         libtool_vers = ",".join(trees["/"]["vartree"].dbapi.match("sys-devel/libtool"))
4586
4587         if "--verbose" in myopts:
4588                 myvars=settings.keys()
4589         else:
4590                 myvars = ['GENTOO_MIRRORS', 'CONFIG_PROTECT', 'CONFIG_PROTECT_MASK',
4591                           'PORTDIR', 'DISTDIR', 'PKGDIR', 'PORTAGE_TMPDIR',
4592                           'PORTDIR_OVERLAY', 'USE', 'CHOST', 'CFLAGS', 'CXXFLAGS',
4593                           'ACCEPT_KEYWORDS', 'SYNC', 'FEATURES', 'EMERGE_DEFAULT_OPTS']
4594
4595                 myvars.extend(portage.util.grabfile(settings["PORTDIR"]+"/profiles/info_vars"))
4596
4597         myvars = portage.util.unique_array(myvars)
4598         unset_vars = []
4599         myvars.sort()
4600         for x in myvars:
4601                 if x in settings:
4602                         if x != "USE":
4603                                 print '%s="%s"' % (x, settings[x])
4604                         else:
4605                                 use = set(settings["USE"].split())
4606                                 use_expand = settings["USE_EXPAND"].split()
4607                                 use_expand.sort()
4608                                 for varname in use_expand:
4609                                         flag_prefix = varname.lower() + "_"
4610                                         for f in list(use):
4611                                                 if f.startswith(flag_prefix):
4612                                                         use.remove(f)
4613                                 use = list(use)
4614                                 use.sort()
4615                                 print 'USE="%s"' % " ".join(use),
4616                                 for varname in use_expand:
4617                                         myval = settings.get(varname)
4618                                         if myval:
4619                                                 print '%s="%s"' % (varname, myval),
4620                                 print
4621                 else:
4622                         unset_vars.append(x)
4623         if unset_vars:
4624                 print "Unset:  "+", ".join(unset_vars)
4625         print
4626
4627         if "--debug" in myopts:
4628                 for x in dir(portage):
4629                         module = getattr(portage, x)
4630                         if "cvs_id_string" in dir(module):
4631                                 print "%s: %s" % (str(x), str(module.cvs_id_string))
4632
4633         # See if we can find any packages installed matching the strings
4634         # passed on the command line
4635         mypkgs = []
4636         vardb = trees[settings["ROOT"]]["vartree"].dbapi
4637         portdb = trees[settings["ROOT"]]["porttree"].dbapi
4638         for x in myfiles:
4639                 mypkgs.extend(vardb.match(x))
4640
4641         # If some packages were found...
4642         if mypkgs:
4643                 # Get our global settings (we only print stuff if it varies from
4644                 # the current config)
4645                 mydesiredvars = [ 'CHOST', 'CFLAGS', 'CXXFLAGS' ]
4646                 auxkeys = mydesiredvars + [ "USE", "IUSE"]
4647                 global_vals = {}
4648                 pkgsettings = portage.config(clone=settings)
4649
4650                 for myvar in mydesiredvars:
4651                         global_vals[myvar] = set(settings.get(myvar, "").split())
4652
4653                 # Loop through each package
4654                 # Only print settings if they differ from global settings
4655                 header_printed = False
4656                 for pkg in mypkgs:
4657                         # Get all package specific variables
4658                         auxvalues = vardb.aux_get(pkg, auxkeys)
4659                         valuesmap = {}
4660                         for i in xrange(len(auxkeys)):
4661                                 valuesmap[auxkeys[i]] = set(auxvalues[i].split())
4662                         diff_values = {}
4663                         for myvar in mydesiredvars:
4664                                 # If the package variable doesn't match the
4665                                 # current global variable, something has changed
4666                                 # so set diff_found so we know to print
4667                                 if valuesmap[myvar] != global_vals[myvar]:
4668                                         diff_values[myvar] = valuesmap[myvar]
4669                         valuesmap["IUSE"] = set(filter_iuse_defaults(valuesmap["IUSE"]))
4670                         valuesmap["USE"] = valuesmap["USE"].intersection(valuesmap["IUSE"])
4671                         pkgsettings.reset()
4672                         # If a matching ebuild is no longer available in the tree, maybe it
4673                         # would make sense to compare against the flags for the best
4674                         # available version with the same slot?
4675                         mydb = None
4676                         if portdb.cpv_exists(pkg):
4677                                 mydb = portdb
4678                         pkgsettings.setcpv(pkg, mydb=mydb)
4679                         if valuesmap["IUSE"].intersection(pkgsettings["USE"].split()) != \
4680                                 valuesmap["USE"]:
4681                                 diff_values["USE"] = valuesmap["USE"]
4682                         # If a difference was found, print the info for
4683                         # this package.
4684                         if diff_values:
4685
4686                                 # If we have not yet printed the header,
4687                                 # print it now
4688                                 if not header_printed:
4689                                         header_title = "Package Settings"
4690                                         print header_width * "="
4691                                         print header_title.rjust(int(header_width/2 + len(header_title)/2))
4692                                         print header_width * "="
4693                                         header_printed = True
4694
4695                                 # Print package info
4696                                 print "%s was built with the following:" % pkg
4697                                 for myvar in mydesiredvars + ["USE"]:
4698                                         if myvar in diff_values:
4699                                                 mylist = list(diff_values[myvar])
4700                                                 mylist.sort()
4701                                                 print "%s=\"%s\"" % (myvar, " ".join(mylist))
4702                                 print
4703
4704 def action_search(settings, portdb, vartree, myopts, myfiles, spinner):
4705         if not myfiles:
4706                 print "emerge: no search terms provided."
4707         else:
4708                 searchinstance = search(settings, portdb,
4709                         vartree, spinner, "--searchdesc" in myopts,
4710                         "--quiet" not in myopts)
4711                 for mysearch in myfiles:
4712                         try:
4713                                 searchinstance.execute(mysearch)
4714                         except re.error, comment:
4715                                 print "\n!!! Regular expression error in \"%s\": %s" % ( mysearch, comment )
4716                                 sys.exit(1)
4717                         searchinstance.output()
4718
4719 def action_depclean(settings, trees, ldpath_mtimes,
4720         myopts, spinner):
4721         # Kill packages that aren't explicitly merged or are required as a
4722         # dependency of another package. World file is explicit.
4723
4724         warn_prefix = colorize("BAD", "*** WARNING ***  ")
4725         print
4726         print warn_prefix + "Depclean may break link level dependencies.  Thus, it is"
4727         print warn_prefix + "recommended to use a tool such as " + good("`revdep-rebuild`") + " (from"
4728         print warn_prefix + "app-portage/gentoolkit) in order to detect such breakage."
4729         print warn_prefix
4730         print warn_prefix + "Also study the list of packages to be cleaned for any obvious"
4731         print warn_prefix + "mistakes. Packages that are part of the world set will always"
4732         print warn_prefix + "be kept.  They can be manually added to this set with"
4733         print warn_prefix + good("`emerge --noreplace <atom>`") + ".  Packages that are listed in"
4734         print warn_prefix + "package.provided (see portage(5)) will be removed by"
4735         print warn_prefix + "depclean, even if they are part of the world set."
4736         print warn_prefix
4737         print warn_prefix + "As a safety measure, depclean will not remove any packages"
4738         print warn_prefix + "unless *all* required dependencies have been resolved.  As a"
4739         print warn_prefix + "consequence, it is often necessary to run "
4740         print warn_prefix + good("`emerge --update --newuse --deep world`") + " prior to depclean."
4741
4742         xterm_titles = "notitles" not in settings.features
4743         myroot = settings["ROOT"]
4744         dep_check_trees = {}
4745         dep_check_trees[myroot] = {}
4746         dep_check_trees[myroot]["vartree"] = \
4747                 FakeVartree(trees[myroot]["vartree"], trees[myroot]["porttree"].dbapi)
4748         vardb = dep_check_trees[myroot]["vartree"].dbapi
4749         # Constrain dependency selection to the installed packages.
4750         dep_check_trees[myroot]["porttree"] = dep_check_trees[myroot]["vartree"]
4751         syslist = getlist(settings, "system")
4752         worldlist = getlist(settings, "world")
4753         system_world_dict = genericdict(worldlist)
4754         system_world_dict.update(genericdict(syslist))
4755         fakedb = portage.fakedbapi(settings=settings)
4756         myvarlist = vardb.cpv_all()
4757
4758         if not syslist:
4759                 print "\n!!! You have no system list.",
4760         if not worldlist:
4761                 print "\n!!! You have no world file.",
4762         if not myvarlist:
4763                 print "\n!!! You have no installed package database (%s)." % portage.VDB_PATH,
4764
4765         if not (syslist and worldlist and myvarlist):
4766                 print "\n!!! Proceeding "+(syslist and myvarlist and "may" or "will")
4767                 print " break your installation.\n"
4768                 if "--pretend" not in myopts:
4769                         countdown(int(settings["EMERGE_WARNING_DELAY"]), ">>> Depclean")
4770
4771         if not "--pretend" in myopts: #just check pretend, since --ask implies pretend
4772                 emergelog(xterm_titles, " >>> depclean")
4773
4774         if "--quiet" not in myopts:
4775                 print "\nCalculating dependencies  ",
4776
4777         soft = 0
4778         hard = 1
4779         remaining_atoms = [(atom, 'world', hard) for atom in worldlist if vardb.match(atom)]
4780         remaining_atoms += [(atom, 'system', hard) for atom in syslist if vardb.match(atom)]
4781         unresolveable = {}
4782         aux_keys = ["DEPEND", "RDEPEND", "PDEPEND"]
4783
4784         while remaining_atoms:
4785                 atom, parent, priority = remaining_atoms.pop()
4786                 pkgs = vardb.match(atom)
4787                 if not pkgs:
4788                         if not atom.startswith("!") and priority == hard:
4789                                 unresolveable.setdefault(atom, []).append(parent)
4790                         continue
4791                 if portage.dep_getkey(atom) not in system_world_dict:
4792                         # Prune all but the best matching slot, since that's all that a
4793                         # deep world update would pull in.  Don't prune if the cpv is in
4794                         # system or world though, since those sets trigger greedy update
4795                         # of all slots.
4796                         pkgs = [portage.best(pkgs)]
4797                 for pkg in pkgs:
4798                         if fakedb.cpv_exists(pkg):
4799                                 continue
4800                         spinner.update()
4801                         fakedb.cpv_inject(pkg)
4802                         myaux = dict(izip(aux_keys, vardb.aux_get(pkg, aux_keys)))
4803                         mydeps = []
4804                         if myopts.get("--with-bdeps", "y") == "y":
4805                                 mydeps.append((myaux["DEPEND"], soft))
4806                         del myaux["DEPEND"]
4807                         mydeps.append((" ".join(myaux.values()), hard))
4808                         usedef = vardb.aux_get(pkg, ["USE"])[0].split()
4809                         for depstr, priority in mydeps:
4810
4811                                 if not depstr:
4812                                         continue
4813
4814                                 if "--debug" in myopts:
4815                                         print
4816                                         print "Parent:   ", pkg
4817                                         print "Depstring:", depstr
4818                                         print "Priority:",
4819                                         if priority == soft:
4820                                                 print "soft"
4821                                         else:
4822                                                 print "hard"
4823
4824                                 try:
4825                                         portage.dep._dep_check_strict = False
4826                                         success, atoms = portage.dep_check(depstr, None, settings,
4827                                                 myuse=usedef, trees=dep_check_trees, myroot=myroot)
4828                                 finally:
4829                                         portage.dep._dep_check_strict = True
4830                                 if not success:
4831                                         show_invalid_depstring_notice(
4832                                                 ("installed", myroot, pkg, "nomerge"),
4833                                                 depstr, atoms)
4834                                         return
4835
4836                                 if "--debug" in myopts:
4837                                         print "Candidates:", atoms
4838
4839                                 for atom in atoms:
4840                                         remaining_atoms.append((atom, pkg, priority))
4841
4842         if "--quiet" not in myopts:
4843                 print "\b\b... done!\n"
4844
4845         if unresolveable:
4846                 print "Dependencies could not be completely resolved due to"
4847                 print "the following required packages not being installed:"
4848                 print
4849                 for atom in unresolveable:
4850                         print atom, "required by", " ".join(unresolveable[atom])
4851                 print
4852                 print "Have you forgotten to run " + good("`emerge --update --newuse --deep world`") + " prior to"
4853                 print "depclean?  It may be necessary to manually uninstall packages that no longer"
4854                 print "exist in the portage tree since it may not be possible to satisfy their"
4855                 print "dependencies.  Also, be aware of the --with-bdeps option that is documented"
4856                 print "in " + good("`man emerge`") + "."
4857                 print
4858                 return
4859
4860         cleanlist = [pkg for pkg in vardb.cpv_all() if not fakedb.cpv_exists(pkg)]
4861
4862         if len(cleanlist):
4863                 unmerge(settings, myopts, trees[settings["ROOT"]]["vartree"],
4864                         "unmerge", cleanlist, ldpath_mtimes)
4865
4866         print "Packages installed:   "+str(len(myvarlist))
4867         print "Packages in world:    "+str(len(worldlist))
4868         print "Packages in system:   "+str(len(syslist))
4869         print "Unique package names: "+str(len(myvarlist))
4870         print "Required packages:    "+str(len(fakedb.cpv_all()))
4871         if "--pretend" in myopts:
4872                 print "Number to remove:     "+str(len(cleanlist))
4873         else:
4874                 print "Number removed:       "+str(len(cleanlist))
4875
4876 def action_build(settings, trees, mtimedb,
4877         myopts, myaction, myfiles, spinner):
4878         ldpath_mtimes = mtimedb["ldpath"]
4879         favorites=[]
4880         if "--quiet" not in myopts and \
4881                 ("--pretend" in myopts or "--ask" in myopts or \
4882                 "--tree" in myopts or "--verbose" in myopts):
4883                 action = ""
4884                 if "--fetchonly" in myopts or "--fetch-all-uri" in myopts:
4885                         action = "fetched"
4886                 else:
4887                         action = "merged"
4888                 if "--tree" in myopts and action != "fetched": # Tree doesn't work with fetching
4889                         print
4890                         print darkgreen("These are the packages that would be %s, in reverse order:") % action
4891                         print
4892                 else:
4893                         print
4894                         print darkgreen("These are the packages that would be %s, in order:") % action
4895                         print
4896
4897         # validate the state of the resume data
4898         # so that we can make assumptions later.
4899         for k in ("resume", "resume_backup"):
4900                 if k in mtimedb:
4901                         if "mergelist" in mtimedb[k]:
4902                                 if not mtimedb[k]["mergelist"]:
4903                                         del mtimedb[k]
4904                         else:
4905                                 del mtimedb[k]
4906
4907         if "--resume" in myopts and \
4908                 ("resume" in mtimedb or
4909                 "resume_backup" in mtimedb):
4910                 if "resume" not in mtimedb:
4911                         mtimedb["resume"] = mtimedb["resume_backup"]
4912                         del mtimedb["resume_backup"]
4913                         mtimedb.commit()
4914                 # XXX: "myopts" is a list for backward compatibility.
4915                 myresumeopts = dict([(k,True) for k in mtimedb["resume"]["myopts"]])
4916
4917                 for opt in ("--skipfirst", "--ask", "--tree"):
4918                         myresumeopts.pop(opt, None)
4919
4920                 for myopt, myarg in myopts.iteritems():
4921                         if myopt not in myresumeopts:
4922                                 myresumeopts[myopt] = myarg
4923                 myopts=myresumeopts
4924
4925                 # Adjust config according to options of the command being resumed.
4926                 for myroot in trees:
4927                         mysettings =  trees[myroot]["vartree"].settings
4928                         mysettings.unlock()
4929                         adjust_config(myopts, mysettings)
4930                         mysettings.lock()
4931                         del myroot, mysettings
4932
4933                 myparams = create_depgraph_params(myopts, myaction)
4934                 if "--quiet" not in myopts and "--nodeps" not in myopts:
4935                         print "Calculating dependencies  ",
4936                 mydepgraph = depgraph(settings, trees,
4937                         myopts, myparams, spinner)
4938                 if "--quiet" not in myopts and "--nodeps" not in myopts:
4939                         print "\b\b... done!"
4940         else:
4941                 if ("--resume" in myopts):
4942                         print darkgreen("emerge: It seems we have nothing to resume...")
4943                         sys.exit(0)
4944
4945                 myparams = create_depgraph_params(myopts, myaction)
4946                 if myaction in ["system","world"]:
4947                         if "--quiet" not in myopts and "--nodeps" not in myopts:
4948                                 print "Calculating",myaction,"dependencies  ",
4949                                 sys.stdout.flush()
4950                         mydepgraph = depgraph(settings, trees, myopts, myparams, spinner)
4951                         if not mydepgraph.xcreate(myaction):
4952                                 print "!!! Depgraph creation failed."
4953                                 sys.exit(1)
4954                         if "--quiet" not in myopts and "--nodeps" not in myopts:
4955                                 print "\b\b... done!"
4956                 else:
4957                         if "--quiet" not in myopts and "--nodeps" not in myopts:
4958                                 print "Calculating dependencies  ",
4959                                 sys.stdout.flush()
4960                         mydepgraph = depgraph(settings, trees, myopts, myparams, spinner)
4961                         try:
4962                                 retval, favorites = mydepgraph.select_files(myfiles)
4963                         except portage.exception.PackageNotFound, e:
4964                                 portage.writemsg("\n!!! %s\n" % str(e), noiselevel=-1)
4965                                 sys.exit(1)
4966                         if not retval:
4967                                 sys.exit(1)
4968                         if "--quiet" not in myopts and "--nodeps" not in myopts:
4969                                 print "\b\b... done!"
4970
4971                         if ("--usepkgonly" in myopts) and mydepgraph.missingbins:
4972                                 sys.stderr.write(red("The following binaries are not available for merging...\n"))
4973
4974                 if mydepgraph.missingbins:
4975                         for x in mydepgraph.missingbins:
4976                                 sys.stderr.write("   "+str(x)+"\n")
4977                         sys.stderr.write("\nThese are required by '--usepkgonly' -- Terminating.\n\n")
4978                         sys.exit(1)
4979
4980         if "--pretend" not in myopts and \
4981                 ("--ask" in myopts or "--tree" in myopts or \
4982                 "--verbose" in myopts) and \
4983                 not ("--quiet" in myopts and "--ask" not in myopts):
4984                 if "--resume" in myopts:
4985                         validate_merge_list(trees, mtimedb["resume"]["mergelist"])
4986                         mymergelist = mtimedb["resume"]["mergelist"]
4987                         if "--skipfirst" in myopts:
4988                                 mymergelist = mymergelist[1:]
4989                         if len(mymergelist) == 0:
4990                                 print colorize("INFORM", "emerge: It seems we have nothing to resume...")
4991                                 sys.exit(0)
4992                         mydepgraph.display(mymergelist)
4993                         prompt="Would you like to resume merging these packages?"
4994                 else:
4995                         mydepgraph.display(
4996                                 mydepgraph.altlist(reversed=("--tree" in myopts)))
4997                         mergecount=0
4998                         for x in mydepgraph.altlist():
4999                                 if x[0] != "blocks" and x[3] != "nomerge":
5000                                         mergecount+=1
5001                                 #check for blocking dependencies
5002                                 if x[0]=="blocks" and "--fetchonly" not in myopts and "--fetch-all-uri" not in myopts:
5003                                         print "\n!!! Error: The above package list contains packages which cannot be installed"
5004                                         print   "!!!        at the same time on the same system."
5005                                         if "--quiet" not in myopts:
5006                                                 show_blocker_docs_link()
5007                                         sys.exit(1)
5008                         if mergecount==0:
5009                                 if "--noreplace" in myopts and favorites:
5010                                         print
5011                                         for x in favorites:
5012                                                 print " %s %s" % (good("*"), x)
5013                                         prompt="Would you like to add these packages to your world favorites?"
5014                                 elif settings["AUTOCLEAN"] and "yes"==settings["AUTOCLEAN"]:
5015                                         prompt="Nothing to merge; would you like to auto-clean packages?"
5016                                 else:
5017                                         print
5018                                         print "Nothing to merge; quitting."
5019                                         print
5020                                         sys.exit(0)
5021                         elif "--fetchonly" in myopts or "--fetch-all-uri" in myopts:
5022                                 prompt="Would you like to fetch the source files for these packages?"
5023                         else:
5024                                 prompt="Would you like to merge these packages?"
5025                 print
5026                 if "--ask" in myopts and userquery(prompt) == "No":
5027                         print
5028                         print "Quitting."
5029                         print
5030                         sys.exit(0)
5031                 # Don't ask again (e.g. when auto-cleaning packages after merge)
5032                 myopts.pop("--ask", None)
5033
5034         if ("--pretend" in myopts) and not ("--fetchonly" in myopts or "--fetch-all-uri" in myopts):
5035                 if ("--resume" in myopts):
5036                         validate_merge_list(trees, mtimedb["resume"]["mergelist"])
5037                         mymergelist = mtimedb["resume"]["mergelist"]
5038                         if "--skipfirst" in myopts:
5039                                 mymergelist = mymergelist[1:]
5040                         if len(mymergelist) == 0:
5041                                 print colorize("INFORM", "emerge: It seems we have nothing to resume...")
5042                                 sys.exit(0)
5043                         mydepgraph.display(mymergelist)
5044                 else:
5045                         mydepgraph.display(
5046                                 mydepgraph.altlist(reversed=("--tree" in myopts)))
5047                 if ("--buildpkgonly" in myopts):
5048                         if not mydepgraph.digraph.hasallzeros(ignore_priority=DepPriority.MEDIUM):
5049                                 print "\n!!! --buildpkgonly requires all dependencies to be merged."
5050                                 print "!!! You have to merge the dependencies before you can build this package.\n"
5051                                 sys.exit(1)
5052         else:
5053                 if ("--buildpkgonly" in myopts):
5054                         if not mydepgraph.digraph.hasallzeros(ignore_priority=DepPriority.MEDIUM):
5055                                 print "\n!!! --buildpkgonly requires all dependencies to be merged."
5056                                 print "!!! Cannot merge requested packages. Merge deps and try again.\n"
5057                                 sys.exit(1)
5058
5059                 if ("--resume" in myopts):
5060                         favorites=mtimedb["resume"]["favorites"]
5061                         mergetask = MergeTask(settings, trees, myopts)
5062                         if "--fetchonly" in myopts:
5063                                 """ parallel-fetch uses --resume --fetchonly and we don't want
5064                                 it to write the mtimedb"""
5065                                 mtimedb.filename = None
5066                                 time.sleep(3) # allow the parent to have first fetch
5067                         del mydepgraph
5068                         retval = mergetask.merge(
5069                                 mtimedb["resume"]["mergelist"], favorites, mtimedb)
5070                         if retval != os.EX_OK:
5071                                 sys.exit(retval)
5072                 else:
5073                         if "resume" in mtimedb and \
5074                         "mergelist" in mtimedb["resume"] and \
5075                         len(mtimedb["resume"]["mergelist"]) > 1:
5076                                 mtimedb["resume_backup"] = mtimedb["resume"]
5077                                 del mtimedb["resume"]
5078                                 mtimedb.commit()
5079                         mtimedb["resume"]={}
5080                         # XXX: Stored as a list for backward compatibility.
5081                         mtimedb["resume"]["myopts"] = \
5082                                 [k for k in myopts if myopts[k] is True]
5083                         mtimedb["resume"]["favorites"]=favorites
5084                         if ("--digest" in myopts) and not ("--fetchonly" in myopts or "--fetch-all-uri" in myopts):
5085                                 for pkgline in mydepgraph.altlist():
5086                                         if pkgline[0]=="ebuild" and pkgline[3]=="merge":
5087                                                 y = trees[pkgline[1]]["porttree"].dbapi.findname(pkgline[2])
5088                                                 tmpsettings = portage.config(clone=settings)
5089                                                 edebug = 0
5090                                                 if settings.get("PORTAGE_DEBUG", "") == "1":
5091                                                         edebug = 1
5092                                                 retval = portage.doebuild(
5093                                                         y, "digest", settings["ROOT"], tmpsettings, edebug,
5094                                                         ("--pretend" in myopts),
5095                                                         mydbapi=trees[pkgline[1]]["porttree"].dbapi,
5096                                                         tree="porttree")
5097                         if "--fetchonly" in myopts or "--fetch-all-uri" in myopts:
5098                                 pkglist = []
5099                                 for pkg in mydepgraph.altlist():
5100                                         if pkg[0] != "blocks":
5101                                                 pkglist.append(pkg)
5102                         else:
5103                                 pkglist = mydepgraph.altlist()
5104                         del mydepgraph
5105                         mergetask = MergeTask(settings, trees, myopts)
5106                         retval = mergetask.merge(pkglist, favorites, mtimedb)
5107                         if retval != os.EX_OK:
5108                                 sys.exit(retval)
5109
5110                 if mtimedb.has_key("resume"):
5111                         del mtimedb["resume"]
5112                 if settings["AUTOCLEAN"] and "yes"==settings["AUTOCLEAN"]:
5113                         portage.writemsg_stdout(">>> Auto-cleaning packages...\n")
5114                         vartree = trees[settings["ROOT"]]["vartree"]
5115                         unmerge(settings, myopts, vartree, "clean", ["world"],
5116                                 ldpath_mtimes, autoclean=1)
5117                 else:
5118                         portage.writemsg_stdout(colorize("WARN", "WARNING:")
5119                                 + " AUTOCLEAN is disabled.  This can cause serious"
5120                                 + " problems due to overlapping packages.\n")
5121
5122 def multiple_actions(action1, action2):
5123         sys.stderr.write("\n!!! Multiple actions requested... Please choose one only.\n")
5124         sys.stderr.write("!!! '%s' or '%s'\n\n" % (action1, action2))
5125         sys.exit(1)
5126
5127 def parse_opts(tmpcmdline, silent=False):
5128         myaction=None
5129         myopts = {}
5130         myfiles=[]
5131
5132         global actions, options, shortmapping
5133
5134         longopt_aliases = {"--cols":"--columns", "--skip-first":"--skipfirst"}
5135         argument_options = {
5136                 "--config-root": {
5137                         "help":"specify the location for portage configuration files",
5138                         "action":"store"
5139                 },
5140                 "--color": {
5141                         "help":"enable or disable color output",
5142                         "type":"choice",
5143                         "choices":("y", "n")
5144                 },
5145                 "--with-bdeps": {
5146                         "help":"include unnecessary build time dependencies",
5147                         "type":"choice",
5148                         "choices":("y", "n")
5149                 }
5150         }
5151
5152         from optparse import OptionParser
5153         parser = OptionParser()
5154         if parser.has_option("--help"):
5155                 parser.remove_option("--help")
5156
5157         for action_opt in actions:
5158                 parser.add_option("--" + action_opt, action="store_true",
5159                         dest=action_opt.replace("-", "_"), default=False)
5160         for myopt in options:
5161                 parser.add_option(myopt, action="store_true",
5162                         dest=myopt.lstrip("--").replace("-", "_"), default=False)
5163         for shortopt, longopt in shortmapping.iteritems():
5164                 parser.add_option("-" + shortopt, action="store_true",
5165                         dest=longopt.lstrip("--").replace("-", "_"), default=False)
5166         for myalias, myopt in longopt_aliases.iteritems():
5167                 parser.add_option(myalias, action="store_true",
5168                         dest=myopt.lstrip("--").replace("-", "_"), default=False)
5169
5170         for myopt, kwargs in argument_options.iteritems():
5171                 parser.add_option(myopt,
5172                         dest=myopt.lstrip("--").replace("-", "_"), **kwargs)
5173
5174         myoptions, myargs = parser.parse_args(args=tmpcmdline)
5175
5176         for myopt in options:
5177                 v = getattr(myoptions, myopt.lstrip("--").replace("-", "_"))
5178                 if v:
5179                         myopts[myopt] = True
5180
5181         for myopt in argument_options:
5182                 v = getattr(myoptions, myopt.lstrip("--").replace("-", "_"), None)
5183                 if v is not None:
5184                         myopts[myopt] = v
5185
5186         for action_opt in actions:
5187                 v = getattr(myoptions, action_opt.replace("-", "_"))
5188                 if v:
5189                         if myaction:
5190                                 multiple_actions(myaction, action_opt)
5191                                 sys.exit(1)
5192                         myaction = action_opt
5193
5194         for x in myargs:
5195                 if x in actions and myaction != "search":
5196                         if not silent and x not in ["system", "world"]:
5197                                 print red("*** Deprecated use of action '%s', use '--%s' instead" % (x,x))
5198                         # special case "search" so people can search for action terms, e.g. emerge -s sync
5199                         if myaction:
5200                                 multiple_actions(myaction, x)
5201                                 sys.exit(1)
5202                         myaction = x
5203                 else:
5204                         myfiles.append(x)
5205
5206         if "--nocolor" in myopts:
5207                 if not silent:
5208                         sys.stderr.write("*** Deprecated use of '--nocolor', " + \
5209                                 "use '--color=n' instead.\n")
5210                 del myopts["--nocolor"]
5211                 myopts["--color"] = "n"
5212
5213         return myaction, myopts, myfiles
5214
5215 def validate_ebuild_environment(trees):
5216         for myroot in trees:
5217                 mysettings = trees[myroot]["vartree"].settings
5218                 for var in "ARCH", "USERLAND":
5219                         if mysettings.get(var):
5220                                 continue
5221                         print >> sys.stderr, bad(("\a!!! %s is not set... " % var) + \
5222                                 "Are you missing the '%setc/make.profile' symlink?" % \
5223                                 mysettings["PORTAGE_CONFIGROOT"])
5224                         print >> sys.stderr, bad("\a!!! Is the symlink correct? " + \
5225                                 "Is your portage tree complete?\n")
5226                         sys.exit(9)
5227                 del myroot, mysettings
5228
5229 def load_emerge_config(trees=None):
5230         kwargs = {}
5231         for k, envvar in (("config_root", "PORTAGE_CONFIGROOT"), ("target_root", "ROOT")):
5232                 kwargs[k] = os.environ.get(envvar, None)
5233         trees = portage.create_trees(trees=trees, **kwargs)
5234
5235         settings = trees["/"]["vartree"].settings
5236
5237         for myroot in trees:
5238                 if myroot != "/":
5239                         settings = trees[myroot]["vartree"].settings
5240                         break
5241
5242         mtimedbfile = os.path.join("/", portage.CACHE_PATH.lstrip(os.path.sep), "mtimedb")
5243         mtimedb = portage.MtimeDB(mtimedbfile)
5244         return settings, trees, mtimedb
5245
5246 def adjust_config(myopts, settings):
5247         """Make emerge specific adjustments to the config."""
5248
5249         # To enhance usability, make some vars case insensitive by forcing them to
5250         # lower case.
5251         for myvar in ("AUTOCLEAN", "NOCOLOR"):
5252                 if myvar in settings:
5253                         settings[myvar] = settings[myvar].lower()
5254                         settings.backup_changes(myvar)
5255         del myvar
5256
5257         # Kill noauto as it will break merges otherwise.
5258         if "noauto" in settings.features:
5259                 while "noauto" in settings.features:
5260                         settings.features.remove("noauto")
5261                 settings["FEATURES"] = " ".join(settings.features)
5262                 settings.backup_changes("FEATURES")
5263
5264         CLEAN_DELAY = 5
5265         try:
5266                 CLEAN_DELAY = int(settings.get("CLEAN_DELAY", str(CLEAN_DELAY)))
5267         except ValueError, e:
5268                 portage.writemsg("!!! %s\n" % str(e), noiselevel=-1)
5269                 portage.writemsg("!!! Unable to parse integer: CLEAN_DELAY='%s'\n" % \
5270                         settings["CLEAN_DELAY"], noiselevel=-1)
5271         settings["CLEAN_DELAY"] = str(CLEAN_DELAY)
5272         settings.backup_changes("CLEAN_DELAY")
5273
5274         EMERGE_WARNING_DELAY = 10
5275         try:
5276                 EMERGE_WARNING_DELAY = int(settings.get(
5277                         "EMERGE_WARNING_DELAY", str(EMERGE_WARNING_DELAY)))
5278         except ValueError, e:
5279                 portage.writemsg("!!! %s\n" % str(e), noiselevel=-1)
5280                 portage.writemsg("!!! Unable to parse integer: EMERGE_WARNING_DELAY='%s'\n" % \
5281                         settings["EMERGE_WARNING_DELAY"], noiselevel=-1)
5282         settings["EMERGE_WARNING_DELAY"] = str(EMERGE_WARNING_DELAY)
5283         settings.backup_changes("EMERGE_WARNING_DELAY")
5284
5285         if "--quiet" in myopts:
5286                 settings["PORTAGE_QUIET"]="1"
5287                 settings.backup_changes("PORTAGE_QUIET")
5288
5289         # Set so that configs will be merged regardless of remembered status
5290         if ("--noconfmem" in myopts):
5291                 settings["NOCONFMEM"]="1"
5292                 settings.backup_changes("NOCONFMEM")
5293
5294         # Set various debug markers... They should be merged somehow.
5295         PORTAGE_DEBUG = 0
5296         try:
5297                 PORTAGE_DEBUG = int(settings.get("PORTAGE_DEBUG", str(PORTAGE_DEBUG)))
5298                 if PORTAGE_DEBUG not in (0, 1):
5299                         portage.writemsg("!!! Invalid value: PORTAGE_DEBUG='%i'\n" % \
5300                                 PORTAGE_DEBUG, noiselevel=-1)
5301                         portage.writemsg("!!! PORTAGE_DEBUG must be either 0 or 1\n",
5302                                 noiselevel=-1)
5303                         PORTAGE_DEBUG = 0
5304         except ValueError, e:
5305                 portage.writemsg("!!! %s\n" % str(e), noiselevel=-1)
5306                 portage.writemsg("!!! Unable to parse integer: PORTAGE_DEBUG='%s'\n" %\
5307                         settings["PORTAGE_DEBUG"], noiselevel=-1)
5308                 del e
5309         if "--debug" in myopts:
5310                 PORTAGE_DEBUG = 1
5311         settings["PORTAGE_DEBUG"] = str(PORTAGE_DEBUG)
5312         settings.backup_changes("PORTAGE_DEBUG")
5313
5314         if settings.get("NOCOLOR") not in ("yes","true"):
5315                 portage.output.havecolor = 1
5316
5317         """The explicit --color < y | n > option overrides the NOCOLOR environment
5318         variable and stdout auto-detection."""
5319         if "--color" in myopts:
5320                 if "y" == myopts["--color"]:
5321                         portage.output.havecolor = 1
5322                         settings["NOCOLOR"] = "false"
5323                 else:
5324                         portage.output.havecolor = 0
5325                         settings["NOCOLOR"] = "true"
5326                 settings.backup_changes("NOCOLOR")
5327         elif not sys.stdout.isatty() and settings.get("NOCOLOR") != "no":
5328                 portage.output.havecolor = 0
5329                 settings["NOCOLOR"] = "true"
5330                 settings.backup_changes("NOCOLOR")
5331
5332 def emerge_main():
5333         global portage  # NFC why this is necessary now - genone
5334         # Disable color until we're sure that it should be enabled (after
5335         # EMERGE_DEFAULT_OPTS has been parsed).
5336         portage.output.havecolor = 0
5337         # This first pass is just for options that need to be known as early as
5338         # possible, such as --config-root.  They will be parsed again later,
5339         # together with EMERGE_DEFAULT_OPTS (which may vary depending on the
5340         # the value of --config-root).
5341         myaction, myopts, myfiles = parse_opts(sys.argv[1:], silent=True)
5342         if "--debug" in myopts:
5343                 os.environ["PORTAGE_DEBUG"] = "1"
5344         if "--config-root" in myopts:
5345                 os.environ["PORTAGE_CONFIGROOT"] = myopts["--config-root"]
5346
5347         # Portage needs to ensure a sane umask for the files it creates.
5348         os.umask(022)
5349         settings, trees, mtimedb = load_emerge_config()
5350         portdb = trees[settings["ROOT"]]["porttree"].dbapi
5351
5352         try:
5353                 os.nice(int(settings.get("PORTAGE_NICENESS", "0")))
5354         except (OSError, ValueError), e:
5355                 portage.writemsg("!!! Failed to change nice value to '%s'\n" % \
5356                         settings["PORTAGE_NICENESS"])
5357                 portage.writemsg("!!! %s\n" % str(e))
5358                 del e
5359
5360         if portage.global_updates(settings, trees, mtimedb["updates"]):
5361                 mtimedb.commit()
5362                 # Reload the whole config from scratch.
5363                 settings, trees, mtimedb = load_emerge_config(trees=trees)
5364                 portdb = trees[settings["ROOT"]]["porttree"].dbapi
5365
5366         xterm_titles = "notitles" not in settings.features
5367
5368         tmpcmdline = []
5369         if "--ignore-default-opts" not in sys.argv:
5370                 tmpcmdline.extend(settings["EMERGE_DEFAULT_OPTS"].split())
5371         tmpcmdline.extend(sys.argv[1:])
5372         myaction, myopts, myfiles = parse_opts(tmpcmdline)
5373
5374         if "--digest" in myopts:
5375                 os.environ["FEATURES"] = os.environ.get("FEATURES","") + " digest"
5376                 # Reload the whole config from scratch so that the portdbapi internal
5377                 # config is updated with new FEATURES.
5378                 settings, trees, mtimedb = load_emerge_config(trees=trees)
5379                 portdb = trees[settings["ROOT"]]["porttree"].dbapi
5380
5381         for myroot in trees:
5382                 mysettings =  trees[myroot]["vartree"].settings
5383                 mysettings.unlock()
5384                 adjust_config(myopts, mysettings)
5385                 mysettings.lock()
5386                 del myroot, mysettings
5387
5388         spinner = stdout_spinner()
5389         if "candy" in settings.features:
5390                 spinner.update = spinner.update_scroll
5391
5392         if "--quiet" not in myopts:
5393                 portage.deprecated_profile_check()
5394
5395         #Freeze the portdbapi for enhanced performance:
5396         for myroot in trees:
5397                 trees[myroot]["porttree"].dbapi.freeze()
5398                 del myroot
5399
5400         if "moo" in myfiles:
5401                 print """
5402
5403   Larry loves Gentoo (""" + os.uname()[0] + """)
5404
5405  _______________________
5406 < Have you mooed today? >
5407  -----------------------
5408         \   ^__^
5409          \  (oo)\_______
5410             (__)\       )\/\
5411                 ||----w |
5412                 ||     ||
5413
5414 """
5415
5416         if (myaction in ["world", "system"]) and myfiles:
5417                 print "emerge: please specify a package class (\"world\" or \"system\") or individual packages, but not both."
5418                 sys.exit(1)
5419
5420         for x in myfiles:
5421                 ext = os.path.splitext(x)[1]
5422                 if (ext == ".ebuild" or ext == ".tbz2") and os.path.exists(os.path.abspath(x)):
5423                         print "emerging by path implies --oneshot... adding --oneshot to options."
5424                         print colorize("BAD", "\n*** emerging by path is broken and may not always work!!!\n")
5425                         break
5426
5427         if ("--tree" in myopts) and ("--columns" in myopts):
5428                 print "emerge: can't specify both of \"--tree\" and \"--columns\"."
5429                 sys.exit(1)
5430
5431         if ("--quiet" in myopts):
5432                 spinner.update = spinner.update_quiet
5433                 portage.util.noiselimit = -1
5434
5435         # Always create packages if FEATURES=buildpkg
5436         # Imply --buildpkg if --buildpkgonly
5437         if ("buildpkg" in settings.features) or ("--buildpkgonly" in myopts):
5438                 if "--buildpkg" not in myopts:
5439                         myopts["--buildpkg"] = True
5440
5441         # Also allow -S to invoke search action (-sS)
5442         if ("--searchdesc" in myopts):
5443                 if myaction and myaction != "search":
5444                         myfiles.append(myaction)
5445                 if "--search" not in myopts:
5446                         myopts["--search"] = True
5447                 myaction = "search"
5448
5449         # Always try and fetch binary packages if FEATURES=getbinpkg
5450         if ("getbinpkg" in settings.features):
5451                 myopts["--getbinpkg"] = True
5452
5453         if "--skipfirst" in myopts and "--resume" not in myopts:
5454                 myopts["--resume"] = True
5455
5456         if ("--getbinpkgonly" in myopts) and not ("--usepkgonly" in myopts):
5457                 myopts["--usepkgonly"] = True
5458
5459         if ("--getbinpkgonly" in myopts) and not ("--getbinpkg" in myopts):
5460                 myopts["--getbinpkg"] = True
5461
5462         if ("--getbinpkg" in myopts) and not ("--usepkg" in myopts):
5463                 myopts["--usepkg"] = True
5464
5465         # Also allow -K to apply --usepkg/-k
5466         if ("--usepkgonly" in myopts) and not ("--usepkg" in myopts):
5467                 myopts["--usepkg"] = True
5468
5469         # Allow -p to remove --ask
5470         if ("--pretend" in myopts) and ("--ask" in myopts):
5471                 print ">>> --pretend disables --ask... removing --ask from options."
5472                 del myopts["--ask"]
5473
5474         # forbid --ask when not in a terminal
5475         # note: this breaks `emerge --ask | tee logfile`, but that doesn't work anyway.
5476         if ("--ask" in myopts) and (not sys.stdin.isatty()):
5477                 portage.writemsg("!!! \"--ask\" should only be used in a terminal. Exiting.\n",
5478                         noiselevel=-1)
5479                 sys.exit(1)
5480
5481         if settings.get("PORTAGE_DEBUG", "") == "1":
5482                 spinner.update = spinner.update_quiet
5483                 portage.debug=1
5484                 if "python-trace" in settings.features:
5485                         import portage.debug
5486                         portage.debug.set_trace(True)
5487
5488         if ("--resume" in myopts):
5489                 if "--tree" in myopts:
5490                         print "* --tree is currently broken with --resume. Disabling..."
5491                         del myopts["--tree"]
5492
5493         if not ("--quiet" in myopts):
5494                 if not sys.stdout.isatty() or ("--nospinner" in myopts):
5495                         spinner.update = spinner.update_basic
5496
5497         if "--version" in myopts:
5498                 print getportageversion(settings["PORTDIR"], settings["ROOT"],
5499                         settings.profile_path, settings["CHOST"],
5500                         trees[settings["ROOT"]]["vartree"].dbapi)
5501                 sys.exit(0)
5502         elif "--help" in myopts:
5503                 emerge.help.help(myaction, myopts, portage.output.havecolor)
5504                 sys.exit(0)
5505
5506         if portage.wheelgid == portage.portage_gid:
5507                 print "emerge: wheel group use is being deprecated. Please update group and passwd to"
5508                 print "        include the portage user as noted above, and then use group portage."
5509
5510         if "--debug" in myopts:
5511                 print "myaction", myaction
5512                 print "myopts", myopts
5513
5514         if not myaction and not myfiles and "--resume" not in myopts:
5515                 emerge.help.help(myaction, myopts, portage.output.havecolor)
5516                 sys.exit(1)
5517
5518         # check if root user is the current user for the actions where emerge needs this
5519         if portage.secpass < 2:
5520                 # We've already allowed "--version" and "--help" above.
5521                 if "--pretend" not in myopts and \
5522                 myaction not in ("search","info"):
5523                         need_superuser = not \
5524                                 ("--fetchonly" in myopts or \
5525                                 "--fetch-all-uri" in myopts or \
5526                                 myaction in ("metadata", "regen"))
5527                         if portage.secpass < 1 or \
5528                                 need_superuser:
5529                                 if need_superuser:
5530                                         access_desc = "superuser"
5531                                 else:
5532                                         access_desc = "portage group"
5533                                 # Always show portage_group_warning() when only portage group
5534                                 # access is required but the user is not in the portage group.
5535                                 from portage.data import portage_group_warning
5536                                 if "--ask" in myopts:
5537                                         myopts["--pretend"] = True
5538                                         del myopts["--ask"]
5539                                         print ("%s access would be required... " + \
5540                                                 "adding --pretend to options.\n") % access_desc
5541                                         if portage.secpass < 1 and not need_superuser:
5542                                                 portage_group_warning()
5543                                 else:
5544                                         sys.stderr.write(("emerge: %s access would be " + \
5545                                                 "required.\n\n") % access_desc)
5546                                         if portage.secpass < 1 and not need_superuser:
5547                                                 portage_group_warning()
5548                                         return 1
5549
5550         disable_emergelog = False
5551         for x in ("--pretend", "--fetchonly", "--fetch-all-uri"):
5552                 if x in myopts:
5553                         disable_emergelog = True
5554                         break
5555         if myaction in ("search", "info"):
5556                 disable_emergelog = True
5557         if disable_emergelog:
5558                 """ Disable emergelog for everything except build or unmerge
5559                 operations.  This helps minimize parallel emerge.log entries that can
5560                 confuse log parsers.  We especially want it disabled during
5561                 parallel-fetch, which uses --resume --fetchonly."""
5562                 global emergelog
5563                 def emergelog(*pargs, **kargs):
5564                         pass
5565
5566         if not "--pretend" in myopts:
5567                 emergelog(xterm_titles, "Started emerge on: "+\
5568                         time.strftime("%b %d, %Y %H:%M:%S", time.localtime()))
5569                 myelogstr=""
5570                 if myopts:
5571                         myelogstr=" ".join(myopts)
5572                 if myaction:
5573                         myelogstr+=" "+myaction
5574                 if myfiles:
5575                         myelogstr+=" "+" ".join(myfiles)
5576                 emergelog(xterm_titles, " *** emerge " + myelogstr)
5577
5578         def emergeexitsig(signum, frame):
5579                 signal.signal(signal.SIGINT, signal.SIG_IGN)
5580                 signal.signal(signal.SIGTERM, signal.SIG_IGN)
5581                 portage.util.writemsg("\n\nExiting on signal %(signal)s\n" % {"signal":signum})
5582                 sys.exit(100+signum)
5583         signal.signal(signal.SIGINT, emergeexitsig)
5584         signal.signal(signal.SIGTERM, emergeexitsig)
5585
5586         def emergeexit():
5587                 """This gets out final log message in before we quit."""
5588                 if "--pretend" not in myopts:
5589                         emergelog(xterm_titles, " *** terminating.")
5590                 if "notitles" not in settings.features:
5591                         xtermTitleReset()
5592         portage.atexit_register(emergeexit)
5593
5594         if myaction in ("config", "metadata", "regen", "sync"):
5595                 if "--pretend" in myopts:
5596                         sys.stderr.write(("emerge: The '%s' action does " + \
5597                                 "not support '--pretend'.\n") % myaction)
5598                         return 1
5599         if "sync" == myaction:
5600                 action_sync(settings, trees, mtimedb, myopts, myaction)
5601         elif "metadata" == myaction:
5602                 action_metadata(settings, portdb, myopts)
5603         elif myaction=="regen":
5604                 validate_ebuild_environment(trees)
5605                 action_regen(settings, portdb)
5606         # HELP action
5607         elif "config"==myaction:
5608                 validate_ebuild_environment(trees)
5609                 action_config(settings, trees, myopts, myfiles)
5610
5611         # INFO action
5612         elif "info"==myaction:
5613                 action_info(settings, trees, myopts, myfiles)
5614
5615         # SEARCH action
5616         elif "search"==myaction:
5617                 validate_ebuild_environment(trees)
5618                 action_search(settings, portdb, trees["/"]["vartree"],
5619                         myopts, myfiles, spinner)
5620         elif "unmerge"==myaction or "prune"==myaction or "clean"==myaction:
5621                 validate_ebuild_environment(trees)
5622                 vartree = trees[settings["ROOT"]]["vartree"]
5623                 if 1 == unmerge(settings, myopts, vartree, myaction, myfiles,
5624                         mtimedb["ldpath"]):
5625                         if "--pretend" not in myopts:
5626                                 post_emerge(settings, mtimedb, 0)
5627
5628         elif "depclean"==myaction:
5629                 validate_ebuild_environment(trees)
5630                 action_depclean(settings, trees, mtimedb["ldpath"],
5631                         myopts, spinner)
5632                 if "--pretend" not in myopts:
5633                         post_emerge(settings, mtimedb, 0)
5634         # "update", "system", or just process files:
5635         else:
5636                 validate_ebuild_environment(trees)
5637                 if "--pretend" not in myopts:
5638                         display_news_notification(settings)
5639                 action_build(settings, trees, mtimedb,
5640                         myopts, myaction, myfiles, spinner)
5641                 if "--pretend" not in myopts:
5642                         post_emerge(settings, mtimedb, 0)
5643                 else:
5644                         display_news_notification(settings)
5645
5646 if __name__ == "__main__":
5647         retval = emerge_main()
5648         sys.exit(retval)