pym/portage/package/ebuild/fetch.py

   1 # Copyright 2010-2013 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 from __future__ import print_function
   5
   6 __all__ = ['fetch']
   7
   8 import errno
   9 import io
  10 import logging
  11 import random
  12 import re
  13 import stat
  14 import sys
  15 import tempfile
  16
  17 try:
  18         from urllib.parse import urlparse
  19 except ImportError:
  20         from urlparse import urlparse
  21
  22 import portage
  23 portage.proxy.lazyimport.lazyimport(globals(),
  24         'portage.package.ebuild.config:check_config_instance,config',
  25         'portage.package.ebuild.doebuild:doebuild_environment,' + \
  26                 '_doebuild_spawn',
  27         'portage.package.ebuild.prepare_build_dirs:prepare_build_dirs',
  28 )
  29
  30 from portage import OrderedDict, os, selinux, shutil, _encodings, \
  31         _shell_quote, _unicode_encode
  32 from portage.checksum import (hashfunc_map, perform_md5, verify_all,
  33         _filter_unaccelarated_hashes, _hash_filter, _apply_hash_filter)
  34 from portage.const import BASH_BINARY, CUSTOM_MIRRORS_FILE, \
  35         GLOBAL_CONFIG_PATH
  36 from portage.data import portage_gid, portage_uid, secpass, userpriv_groups
  37 from portage.exception import FileNotFound, OperationNotPermitted, \
  38         PortageException, TryAgain
  39 from portage.localization import _
  40 from portage.locks import lockfile, unlockfile
  41 from portage.output import colorize, EOutput
  42 from portage.util import apply_recursive_permissions, \
  43         apply_secpass_permissions, ensure_dirs, grabdict, shlex_split, \
  44         varexpand, writemsg, writemsg_level, writemsg_stdout
  45 from portage.process import spawn
  46
  47 _userpriv_spawn_kwargs = (
  48         ("uid",    portage_uid),
  49         ("gid",    portage_gid),
  50         ("groups", userpriv_groups),
  51         ("umask",  0o02),
  52 )
  53
  54 def _hide_url_passwd(url):
  55         return re.sub(r'//(.+):.+@(.+)', r'//\1:*password*@\2', url)
  56
  57 def _spawn_fetch(settings, args, **kwargs):
  58         """
  59         Spawn a process with appropriate settings for fetching, including
  60         userfetch and selinux support.
  61         """
  62
  63         global _userpriv_spawn_kwargs
  64
  65         # Redirect all output to stdout since some fetchers like
  66         # wget pollute stderr (if portage detects a problem then it
  67         # can send it's own message to stderr).
  68         if "fd_pipes" not in kwargs:
  69
  70                 kwargs["fd_pipes"] = {
  71                         0 : portage._get_stdin().fileno(),
  72                         1 : sys.__stdout__.fileno(),
  73                         2 : sys.__stdout__.fileno(),
  74                 }
  75
  76         if "userfetch" in settings.features and \
  77                 os.getuid() == 0 and portage_gid and portage_uid and \
  78                 hasattr(os, "setgroups"):
  79                 kwargs.update(_userpriv_spawn_kwargs)
  80
  81         spawn_func = spawn
  82
  83         if settings.selinux_enabled():
  84                 spawn_func = selinux.spawn_wrapper(spawn_func,
  85                         settings["PORTAGE_FETCH_T"])
  86
  87                 # bash is an allowed entrypoint, while most binaries are not
  88                 if args[0] != BASH_BINARY:
  89                         args = [BASH_BINARY, "-c", "exec \"$@\"", args[0]] + args
  90
  91         # Ensure that EBUILD_PHASE is set to fetch, so that config.environ()
  92         # does not filter the calling environment (which may contain needed
  93         # proxy variables, as in bug #315421).
  94         phase_backup = settings.get('EBUILD_PHASE')
  95         settings['EBUILD_PHASE'] = 'fetch'
  96         try:
  97                 rval = spawn_func(args, env=settings.environ(), **kwargs)
  98         finally:
  99                 if phase_backup is None:
 100                         settings.pop('EBUILD_PHASE', None)
 101                 else:
 102                         settings['EBUILD_PHASE'] = phase_backup
 103
 104         return rval
 105
 106 _userpriv_test_write_file_cache = {}
 107 _userpriv_test_write_cmd_script = ">> %(file_path)s 2>/dev/null ; rval=$? ; " + \
 108         "rm -f  %(file_path)s ; exit $rval"
 109
 110 def _userpriv_test_write_file(settings, file_path):
 111         """
 112         Drop privileges and try to open a file for writing. The file may or
 113         may not exist, and the parent directory is assumed to exist. The file
 114         is removed before returning.
 115
 116         @param settings: A config instance which is passed to _spawn_fetch()
 117         @param file_path: A file path to open and write.
 118         @return: True if write succeeds, False otherwise.
 119         """
 120
 121         global _userpriv_test_write_file_cache, _userpriv_test_write_cmd_script
 122         rval = _userpriv_test_write_file_cache.get(file_path)
 123         if rval is not None:
 124                 return rval
 125
 126         args = [BASH_BINARY, "-c", _userpriv_test_write_cmd_script % \
 127                 {"file_path" : _shell_quote(file_path)}]
 128
 129         returncode = _spawn_fetch(settings, args)
 130
 131         rval = returncode == os.EX_OK
 132         _userpriv_test_write_file_cache[file_path] = rval
 133         return rval
 134
 135 def _checksum_failure_temp_file(distdir, basename):
 136         """
 137         First try to find a duplicate temp file with the same checksum and return
 138         that filename if available. Otherwise, use mkstemp to create a new unique
 139         filename._checksum_failure_.$RANDOM, rename the given file, and return the
 140         new filename. In any case, filename will be renamed or removed before this
 141         function returns a temp filename.
 142         """
 143
 144         filename = os.path.join(distdir, basename)
 145         size = os.stat(filename).st_size
 146         checksum = None
 147         tempfile_re = re.compile(re.escape(basename) + r'\._checksum_failure_\..*')
 148         for temp_filename in os.listdir(distdir):
 149                 if not tempfile_re.match(temp_filename):
 150                         continue
 151                 temp_filename = os.path.join(distdir, temp_filename)
 152                 try:
 153                         if size != os.stat(temp_filename).st_size:
 154                                 continue
 155                 except OSError:
 156                         continue
 157                 try:
 158                         temp_checksum = perform_md5(temp_filename)
 159                 except FileNotFound:
 160                         # Apparently the temp file disappeared. Let it go.
 161                         continue
 162                 if checksum is None:
 163                         checksum = perform_md5(filename)
 164                 if checksum == temp_checksum:
 165                         os.unlink(filename)
 166                         return temp_filename
 167
 168         fd, temp_filename = \
 169                 tempfile.mkstemp("", basename + "._checksum_failure_.", distdir)
 170         os.close(fd)
 171         os.rename(filename, temp_filename)
 172         return temp_filename
 173
 174 def _check_digests(filename, digests, show_errors=1):
 175         """
 176         Check digests and display a message if an error occurs.
 177         @return True if all digests match, False otherwise.
 178         """
 179         verified_ok, reason = verify_all(filename, digests)
 180         if not verified_ok:
 181                 if show_errors:
 182                         writemsg(_("!!! Previously fetched"
 183                                 " file: '%s'\n") % filename, noiselevel=-1)
 184                         writemsg(_("!!! Reason: %s\n") % reason[0],
 185                                 noiselevel=-1)
 186                         writemsg(_("!!! Got:      %s\n"
 187                                 "!!! Expected: %s\n") % \
 188                                 (reason[1], reason[2]), noiselevel=-1)
 189                 return False
 190         return True
 191
 192 def _check_distfile(filename, digests, eout, show_errors=1, hash_filter=None):
 193         """
 194         @return a tuple of (match, stat_obj) where match is True if filename
 195         matches all given digests (if any) and stat_obj is a stat result, or
 196         None if the file does not exist.
 197         """
 198         if digests is None:
 199                 digests = {}
 200         size = digests.get("size")
 201         if size is not None and len(digests) == 1:
 202                 digests = None
 203
 204         try:
 205                 st = os.stat(filename)
 206         except OSError:
 207                 return (False, None)
 208         if size is not None and size != st.st_size:
 209                 return (False, st)
 210         if not digests:
 211                 if size is not None:
 212                         eout.ebegin(_("%s size ;-)") % os.path.basename(filename))
 213                         eout.eend(0)
 214                 elif st.st_size == 0:
 215                         # Zero-byte distfiles are always invalid.
 216                         return (False, st)
 217         else:
 218                 digests = _filter_unaccelarated_hashes(digests)
 219                 if hash_filter is not None:
 220                         digests = _apply_hash_filter(digests, hash_filter)
 221                 if _check_digests(filename, digests, show_errors=show_errors):
 222                         eout.ebegin("%s %s ;-)" % (os.path.basename(filename),
 223                                 " ".join(sorted(digests))))
 224                         eout.eend(0)
 225                 else:
 226                         return (False, st)
 227         return (True, st)
 228
 229 _fetch_resume_size_re = re.compile('(^[\d]+)([KMGTPEZY]?$)')
 230
 231 _size_suffix_map = {
 232         ''  : 0,
 233         'K' : 10,
 234         'M' : 20,
 235         'G' : 30,
 236         'T' : 40,
 237         'P' : 50,
 238         'E' : 60,
 239         'Z' : 70,
 240         'Y' : 80,
 241 }
 242
 243 def fetch(myuris, mysettings, listonly=0, fetchonly=0,
 244         locks_in_subdir=".locks", use_locks=1, try_mirrors=1, digests=None,
 245         allow_missing_digests=True):
 246         "fetch files.  Will use digest file if available."
 247
 248         if not myuris:
 249                 return 1
 250
 251         features = mysettings.features
 252         restrict = mysettings.get("PORTAGE_RESTRICT","").split()
 253
 254         userfetch = secpass >= 2 and "userfetch" in features
 255         userpriv = secpass >= 2 and "userpriv" in features
 256
 257         # 'nomirror' is bad/negative logic. You Restrict mirroring, not no-mirroring.
 258         restrict_mirror = "mirror" in restrict or "nomirror" in restrict
 259         if restrict_mirror:
 260                 if ("mirror" in features) and ("lmirror" not in features):
 261                         # lmirror should allow you to bypass mirror restrictions.
 262                         # XXX: This is not a good thing, and is temporary at best.
 263                         print(_(">>> \"mirror\" mode desired and \"mirror\" restriction found; skipping fetch."))
 264                         return 1
 265
 266         # Generally, downloading the same file repeatedly from
 267         # every single available mirror is a waste of bandwidth
 268         # and time, so there needs to be a cap.
 269         checksum_failure_max_tries = 5
 270         v = checksum_failure_max_tries
 271         try:
 272                 v = int(mysettings.get("PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS",
 273                         checksum_failure_max_tries))
 274         except (ValueError, OverflowError):
 275                 writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
 276                         " contains non-integer value: '%s'\n") % \
 277                         mysettings["PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"], noiselevel=-1)
 278                 writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
 279                         "default value: %s\n") % checksum_failure_max_tries,
 280                         noiselevel=-1)
 281                 v = checksum_failure_max_tries
 282         if v < 1:
 283                 writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
 284                         " contains value less than 1: '%s'\n") % v, noiselevel=-1)
 285                 writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
 286                         "default value: %s\n") % checksum_failure_max_tries,
 287                         noiselevel=-1)
 288                 v = checksum_failure_max_tries
 289         checksum_failure_max_tries = v
 290         del v
 291
 292         fetch_resume_size_default = "350K"
 293         fetch_resume_size = mysettings.get("PORTAGE_FETCH_RESUME_MIN_SIZE")
 294         if fetch_resume_size is not None:
 295                 fetch_resume_size = "".join(fetch_resume_size.split())
 296                 if not fetch_resume_size:
 297                         # If it's undefined or empty, silently use the default.
 298                         fetch_resume_size = fetch_resume_size_default
 299                 match = _fetch_resume_size_re.match(fetch_resume_size)
 300                 if match is None or \
 301                         (match.group(2).upper() not in _size_suffix_map):
 302                         writemsg(_("!!! Variable PORTAGE_FETCH_RESUME_MIN_SIZE"
 303                                 " contains an unrecognized format: '%s'\n") % \
 304                                 mysettings["PORTAGE_FETCH_RESUME_MIN_SIZE"], noiselevel=-1)
 305                         writemsg(_("!!! Using PORTAGE_FETCH_RESUME_MIN_SIZE "
 306                                 "default value: %s\n") % fetch_resume_size_default,
 307                                 noiselevel=-1)
 308                         fetch_resume_size = None
 309         if fetch_resume_size is None:
 310                 fetch_resume_size = fetch_resume_size_default
 311                 match = _fetch_resume_size_re.match(fetch_resume_size)
 312         fetch_resume_size = int(match.group(1)) * \
 313                 2 ** _size_suffix_map[match.group(2).upper()]
 314
 315         # Behave like the package has RESTRICT="primaryuri" after a
 316         # couple of checksum failures, to increase the probablility
 317         # of success before checksum_failure_max_tries is reached.
 318         checksum_failure_primaryuri = 2
 319         thirdpartymirrors = mysettings.thirdpartymirrors()
 320
 321         # In the background parallel-fetch process, it's safe to skip checksum
 322         # verification of pre-existing files in $DISTDIR that have the correct
 323         # file size. The parent process will verify their checksums prior to
 324         # the unpack phase.
 325
 326         parallel_fetchonly = "PORTAGE_PARALLEL_FETCHONLY" in mysettings
 327         if parallel_fetchonly:
 328                 fetchonly = 1
 329
 330         check_config_instance(mysettings)
 331
 332         custommirrors = grabdict(os.path.join(mysettings["PORTAGE_CONFIGROOT"],
 333                 CUSTOM_MIRRORS_FILE), recursive=1)
 334
 335         mymirrors=[]
 336
 337         if listonly or ("distlocks" not in features):
 338                 use_locks = 0
 339
 340         fetch_to_ro = 0
 341         if "skiprocheck" in features:
 342                 fetch_to_ro = 1
 343
 344         if not os.access(mysettings["DISTDIR"],os.W_OK) and fetch_to_ro:
 345                 if use_locks:
 346                         writemsg(colorize("BAD",
 347                                 _("!!! For fetching to a read-only filesystem, "
 348                                 "locking should be turned off.\n")), noiselevel=-1)
 349                         writemsg(_("!!! This can be done by adding -distlocks to "
 350                                 "FEATURES in /etc/portage/make.conf\n"), noiselevel=-1)
 351 #                       use_locks = 0
 352
 353         # local mirrors are always added
 354         if "local" in custommirrors:
 355                 mymirrors += custommirrors["local"]
 356
 357         if restrict_mirror:
 358                 # We don't add any mirrors.
 359                 pass
 360         else:
 361                 if try_mirrors:
 362                         mymirrors += [x.rstrip("/") for x in mysettings["GENTOO_MIRRORS"].split() if x]
 363
 364         hash_filter = _hash_filter(mysettings.get("PORTAGE_CHECKSUM_FILTER", ""))
 365         if hash_filter.transparent:
 366                 hash_filter = None
 367         skip_manifest = mysettings.get("EBUILD_SKIP_MANIFEST") == "1"
 368         if skip_manifest:
 369                 allow_missing_digests = True
 370         pkgdir = mysettings.get("O")
 371         if digests is None and not (pkgdir is None or skip_manifest):
 372                 mydigests = mysettings.repositories.get_repo_for_location(
 373                         os.path.dirname(os.path.dirname(pkgdir))).load_manifest(
 374                         pkgdir, mysettings["DISTDIR"]).getTypeDigests("DIST")
 375         elif digests is None or skip_manifest:
 376                 # no digests because fetch was not called for a specific package
 377                 mydigests = {}
 378         else:
 379                 mydigests = digests
 380
 381         ro_distdirs = [x for x in \
 382                 shlex_split(mysettings.get("PORTAGE_RO_DISTDIRS", "")) \
 383                 if os.path.isdir(x)]
 384
 385         fsmirrors = []
 386         for x in range(len(mymirrors)-1,-1,-1):
 387                 if mymirrors[x] and mymirrors[x][0]=='/':
 388                         fsmirrors += [mymirrors[x]]
 389                         del mymirrors[x]
 390
 391         restrict_fetch = "fetch" in restrict
 392         force_mirror = "force-mirror" in features and not restrict_mirror
 393         custom_local_mirrors = custommirrors.get("local", [])
 394         if restrict_fetch:
 395                 # With fetch restriction, a normal uri may only be fetched from
 396                 # custom local mirrors (if available).  A mirror:// uri may also
 397                 # be fetched from specific mirrors (effectively overriding fetch
 398                 # restriction, but only for specific mirrors).
 399                 locations = custom_local_mirrors
 400         else:
 401                 locations = mymirrors
 402
 403         file_uri_tuples = []
 404         # Check for 'items' attribute since OrderedDict is not a dict.
 405         if hasattr(myuris, 'items'):
 406                 for myfile, uri_set in myuris.items():
 407                         for myuri in uri_set:
 408                                 file_uri_tuples.append((myfile, myuri))
 409                         if not uri_set:
 410                                 file_uri_tuples.append((myfile, None))
 411         else:
 412                 for myuri in myuris:
 413                         if urlparse(myuri).scheme:
 414                                 file_uri_tuples.append((os.path.basename(myuri), myuri))
 415                         else:
 416                                 file_uri_tuples.append((os.path.basename(myuri), None))
 417
 418         filedict = OrderedDict()
 419         primaryuri_dict = {}
 420         thirdpartymirror_uris = {}
 421         for myfile, myuri in file_uri_tuples:
 422                 if myfile not in filedict:
 423                         filedict[myfile]=[]
 424                         for y in range(0,len(locations)):
 425                                 filedict[myfile].append(locations[y]+"/distfiles/"+myfile)
 426                 if myuri is None:
 427                         continue
 428                 if myuri[:9]=="mirror://":
 429                         eidx = myuri.find("/", 9)
 430                         if eidx != -1:
 431                                 mirrorname = myuri[9:eidx]
 432                                 path = myuri[eidx+1:]
 433
 434                                 # Try user-defined mirrors first
 435                                 if mirrorname in custommirrors:
 436                                         for cmirr in custommirrors[mirrorname]:
 437                                                 filedict[myfile].append(
 438                                                         cmirr.rstrip("/") + "/" + path)
 439
 440                                 # now try the official mirrors
 441                                 if mirrorname in thirdpartymirrors:
 442                                         uris = [locmirr.rstrip("/") + "/" + path \
 443                                                 for locmirr in thirdpartymirrors[mirrorname]]
 444                                         random.shuffle(uris)
 445                                         filedict[myfile].extend(uris)
 446                                         thirdpartymirror_uris.setdefault(myfile, []).extend(uris)
 447
 448                                 if not filedict[myfile]:
 449                                         writemsg(_("No known mirror by the name: %s\n") % (mirrorname))
 450                         else:
 451                                 writemsg(_("Invalid mirror definition in SRC_URI:\n"), noiselevel=-1)
 452                                 writemsg("  %s\n" % (myuri), noiselevel=-1)
 453                 else:
 454                         if restrict_fetch or force_mirror:
 455                                 # Only fetch from specific mirrors is allowed.
 456                                 continue
 457                         primaryuris = primaryuri_dict.get(myfile)
 458                         if primaryuris is None:
 459                                 primaryuris = []
 460                                 primaryuri_dict[myfile] = primaryuris
 461                         primaryuris.append(myuri)
 462
 463         # Order primaryuri_dict values to match that in SRC_URI.
 464         for uris in primaryuri_dict.values():
 465                 uris.reverse()
 466
 467         # Prefer thirdpartymirrors over normal mirrors in cases when
 468         # the file does not yet exist on the normal mirrors.
 469         for myfile, uris in thirdpartymirror_uris.items():
 470                 primaryuri_dict.setdefault(myfile, []).extend(uris)
 471
 472         # Now merge primaryuri values into filedict (includes mirrors
 473         # explicitly referenced in SRC_URI).
 474         if "primaryuri" in restrict:
 475                 for myfile, uris in filedict.items():
 476                         filedict[myfile] = primaryuri_dict.get(myfile, []) + uris
 477         else:
 478                 for myfile in filedict:
 479                         filedict[myfile] += primaryuri_dict.get(myfile, [])
 480
 481         can_fetch=True
 482
 483         if listonly:
 484                 can_fetch = False
 485
 486         if can_fetch and not fetch_to_ro:
 487                 global _userpriv_test_write_file_cache
 488                 dirmode  = 0o070
 489                 filemode =   0o60
 490                 modemask =    0o2
 491                 dir_gid = portage_gid
 492                 if "FAKED_MODE" in mysettings:
 493                         # When inside fakeroot, directories with portage's gid appear
 494                         # to have root's gid. Therefore, use root's gid instead of
 495                         # portage's gid to avoid spurrious permissions adjustments
 496                         # when inside fakeroot.
 497                         dir_gid = 0
 498                 distdir_dirs = [""]
 499                 try:
 500
 501                         for x in distdir_dirs:
 502                                 mydir = os.path.join(mysettings["DISTDIR"], x)
 503                                 write_test_file = os.path.join(
 504                                         mydir, ".__portage_test_write__")
 505
 506                                 try:
 507                                         st = os.stat(mydir)
 508                                 except OSError:
 509                                         st = None
 510
 511                                 if st is not None and stat.S_ISDIR(st.st_mode):
 512                                         if not (userfetch or userpriv):
 513                                                 continue
 514                                         if _userpriv_test_write_file(mysettings, write_test_file):
 515                                                 continue
 516
 517                                 _userpriv_test_write_file_cache.pop(write_test_file, None)
 518                                 if ensure_dirs(mydir, gid=dir_gid, mode=dirmode, mask=modemask):
 519                                         if st is None:
 520                                                 # The directory has just been created
 521                                                 # and therefore it must be empty.
 522                                                 continue
 523                                         writemsg(_("Adjusting permissions recursively: '%s'\n") % mydir,
 524                                                 noiselevel=-1)
 525                                         def onerror(e):
 526                                                 raise # bail out on the first error that occurs during recursion
 527                                         if not apply_recursive_permissions(mydir,
 528                                                 gid=dir_gid, dirmode=dirmode, dirmask=modemask,
 529                                                 filemode=filemode, filemask=modemask, onerror=onerror):
 530                                                 raise OperationNotPermitted(
 531                                                         _("Failed to apply recursive permissions for the portage group."))
 532                 except PortageException as e:
 533                         if not os.path.isdir(mysettings["DISTDIR"]):
 534                                 writemsg("!!! %s\n" % str(e), noiselevel=-1)
 535                                 writemsg(_("!!! Directory Not Found: DISTDIR='%s'\n") % mysettings["DISTDIR"], noiselevel=-1)
 536                                 writemsg(_("!!! Fetching will fail!\n"), noiselevel=-1)
 537
 538         if can_fetch and \
 539                 not fetch_to_ro and \
 540                 not os.access(mysettings["DISTDIR"], os.W_OK):
 541                 writemsg(_("!!! No write access to '%s'\n") % mysettings["DISTDIR"],
 542                         noiselevel=-1)
 543                 can_fetch = False
 544
 545         distdir_writable = can_fetch and not fetch_to_ro
 546         failed_files = set()
 547         restrict_fetch_msg = False
 548
 549         for myfile in filedict:
 550                 """
 551                 fetched  status
 552                 0        nonexistent
 553                 1        partially downloaded
 554                 2        completely downloaded
 555                 """
 556                 fetched = 0
 557
 558                 orig_digests = mydigests.get(myfile, {})
 559
 560                 if not (allow_missing_digests or listonly):
 561                         verifiable_hash_types = set(orig_digests).intersection(hashfunc_map)
 562                         verifiable_hash_types.discard("size")
 563                         if not verifiable_hash_types:
 564                                 expected = set(hashfunc_map)
 565                                 expected.discard("size")
 566                                 expected = " ".join(sorted(expected))
 567                                 got = set(orig_digests)
 568                                 got.discard("size")
 569                                 got = " ".join(sorted(got))
 570                                 reason = (_("Insufficient data for checksum verification"),
 571                                         got, expected)
 572                                 writemsg(_("!!! Fetched file: %s VERIFY FAILED!\n") % myfile,
 573                                         noiselevel=-1)
 574                                 writemsg(_("!!! Reason: %s\n") % reason[0],
 575                                         noiselevel=-1)
 576                                 writemsg(_("!!! Got:      %s\n!!! Expected: %s\n") % \
 577                                         (reason[1], reason[2]), noiselevel=-1)
 578
 579                                 if fetchonly:
 580                                         failed_files.add(myfile)
 581                                         continue
 582                                 else:
 583                                         return 0
 584
 585                 size = orig_digests.get("size")
 586                 if size == 0:
 587                         # Zero-byte distfiles are always invalid, so discard their digests.
 588                         del mydigests[myfile]
 589                         orig_digests.clear()
 590                         size = None
 591                 pruned_digests = orig_digests
 592                 if parallel_fetchonly:
 593                         pruned_digests = {}
 594                         if size is not None:
 595                                 pruned_digests["size"] = size
 596
 597                 myfile_path = os.path.join(mysettings["DISTDIR"], myfile)
 598                 has_space = True
 599                 has_space_superuser = True
 600                 file_lock = None
 601                 if listonly:
 602                         writemsg_stdout("\n", noiselevel=-1)
 603                 else:
 604                         # check if there is enough space in DISTDIR to completely store myfile
 605                         # overestimate the filesize so we aren't bitten by FS overhead
 606                         vfs_stat = None
 607                         if size is not None and hasattr(os, "statvfs"):
 608                                 try:
 609                                         vfs_stat = os.statvfs(mysettings["DISTDIR"])
 610                                 except OSError as e:
 611                                         writemsg_level("!!! statvfs('%s'): %s\n" %
 612                                                 (mysettings["DISTDIR"], e),
 613                                                 noiselevel=-1, level=logging.ERROR)
 614                                         del e
 615
 616                         if vfs_stat is not None:
 617                                 try:
 618                                         mysize = os.stat(myfile_path).st_size
 619                                 except OSError as e:
 620                                         if e.errno not in (errno.ENOENT, errno.ESTALE):
 621                                                 raise
 622                                         del e
 623                                         mysize = 0
 624                                 if (size - mysize + vfs_stat.f_bsize) >= \
 625                                         (vfs_stat.f_bsize * vfs_stat.f_bavail):
 626
 627                                         if (size - mysize + vfs_stat.f_bsize) >= \
 628                                                 (vfs_stat.f_bsize * vfs_stat.f_bfree):
 629                                                 has_space_superuser = False
 630
 631                                         if not has_space_superuser:
 632                                                 has_space = False
 633                                         elif secpass < 2:
 634                                                 has_space = False
 635                                         elif userfetch:
 636                                                 has_space = False
 637
 638                         if distdir_writable and use_locks:
 639
 640                                 lock_kwargs = {}
 641                                 if fetchonly:
 642                                         lock_kwargs["flags"] = os.O_NONBLOCK
 643
 644                                 try:
 645                                         file_lock = lockfile(myfile_path,
 646                                                 wantnewlockfile=1, **lock_kwargs)
 647                                 except TryAgain:
 648                                         writemsg(_(">>> File '%s' is already locked by "
 649                                                 "another fetcher. Continuing...\n") % myfile,
 650                                                 noiselevel=-1)
 651                                         continue
 652                 try:
 653                         if not listonly:
 654
 655                                 eout = EOutput()
 656                                 eout.quiet = mysettings.get("PORTAGE_QUIET") == "1"
 657                                 match, mystat = _check_distfile(
 658                                         myfile_path, pruned_digests, eout, hash_filter=hash_filter)
 659                                 if match:
 660                                         # Skip permission adjustment for symlinks, since we don't
 661                                         # want to modify anything outside of the primary DISTDIR,
 662                                         # and symlinks typically point to PORTAGE_RO_DISTDIRS.
 663                                         if distdir_writable and not os.path.islink(myfile_path):
 664                                                 try:
 665                                                         apply_secpass_permissions(myfile_path,
 666                                                                 gid=portage_gid, mode=0o664, mask=0o2,
 667                                                                 stat_cached=mystat)
 668                                                 except PortageException as e:
 669                                                         if not os.access(myfile_path, os.R_OK):
 670                                                                 writemsg(_("!!! Failed to adjust permissions:"
 671                                                                         " %s\n") % str(e), noiselevel=-1)
 672                                                         del e
 673                                         continue
 674
 675                                 if distdir_writable and mystat is None:
 676                                         # Remove broken symlinks if necessary.
 677                                         try:
 678                                                 os.unlink(myfile_path)
 679                                         except OSError:
 680                                                 pass
 681
 682                                 if mystat is not None:
 683                                         if stat.S_ISDIR(mystat.st_mode):
 684                                                 writemsg_level(
 685                                                         _("!!! Unable to fetch file since "
 686                                                         "a directory is in the way: \n"
 687                                                         "!!!   %s\n") % myfile_path,
 688                                                         level=logging.ERROR, noiselevel=-1)
 689                                                 return 0
 690
 691                                         if mystat.st_size == 0:
 692                                                 if distdir_writable:
 693                                                         try:
 694                                                                 os.unlink(myfile_path)
 695                                                         except OSError:
 696                                                                 pass
 697                                         elif distdir_writable:
 698                                                 if mystat.st_size < fetch_resume_size and \
 699                                                         mystat.st_size < size:
 700                                                         # If the file already exists and the size does not
 701                                                         # match the existing digests, it may be that the
 702                                                         # user is attempting to update the digest. In this
 703                                                         # case, the digestgen() function will advise the
 704                                                         # user to use `ebuild --force foo.ebuild manifest`
 705                                                         # in order to force the old digests to be replaced.
 706                                                         # Since the user may want to keep this file, rename
 707                                                         # it instead of deleting it.
 708                                                         writemsg(_(">>> Renaming distfile with size "
 709                                                                 "%d (smaller than " "PORTAGE_FETCH_RESU"
 710                                                                 "ME_MIN_SIZE)\n") % mystat.st_size)
 711                                                         temp_filename = \
 712                                                                 _checksum_failure_temp_file(
 713                                                                 mysettings["DISTDIR"], myfile)
 714                                                         writemsg_stdout(_("Refetching... "
 715                                                                 "File renamed to '%s'\n\n") % \
 716                                                                 temp_filename, noiselevel=-1)
 717                                                 elif mystat.st_size >= size:
 718                                                         temp_filename = \
 719                                                                 _checksum_failure_temp_file(
 720                                                                 mysettings["DISTDIR"], myfile)
 721                                                         writemsg_stdout(_("Refetching... "
 722                                                                 "File renamed to '%s'\n\n") % \
 723                                                                 temp_filename, noiselevel=-1)
 724
 725                                 if distdir_writable and ro_distdirs:
 726                                         readonly_file = None
 727                                         for x in ro_distdirs:
 728                                                 filename = os.path.join(x, myfile)
 729                                                 match, mystat = _check_distfile(
 730                                                         filename, pruned_digests, eout, hash_filter=hash_filter)
 731                                                 if match:
 732                                                         readonly_file = filename
 733                                                         break
 734                                         if readonly_file is not None:
 735                                                 try:
 736                                                         os.unlink(myfile_path)
 737                                                 except OSError as e:
 738                                                         if e.errno not in (errno.ENOENT, errno.ESTALE):
 739                                                                 raise
 740                                                         del e
 741                                                 os.symlink(readonly_file, myfile_path)
 742                                                 continue
 743
 744                                 # this message is shown only after we know that
 745                                 # the file is not already fetched
 746                                 if not has_space:
 747                                         writemsg(_("!!! Insufficient space to store %s in %s\n") % \
 748                                                 (myfile, mysettings["DISTDIR"]), noiselevel=-1)
 749
 750                                         if has_space_superuser:
 751                                                 writemsg(_("!!! Insufficient privileges to use "
 752                                                         "remaining space.\n"), noiselevel=-1)
 753                                                 if userfetch:
 754                                                         writemsg(_("!!! You may set FEATURES=\"-userfetch\""
 755                                                                 " in /etc/portage/make.conf in order to fetch with\n"
 756                                                                 "!!! superuser privileges.\n"), noiselevel=-1)
 757
 758                                 if fsmirrors and not os.path.exists(myfile_path) and has_space:
 759                                         for mydir in fsmirrors:
 760                                                 mirror_file = os.path.join(mydir, myfile)
 761                                                 try:
 762                                                         shutil.copyfile(mirror_file, myfile_path)
 763                                                         writemsg(_("Local mirror has file: %s\n") % myfile)
 764                                                         break
 765                                                 except (IOError, OSError) as e:
 766                                                         if e.errno not in (errno.ENOENT, errno.ESTALE):
 767                                                                 raise
 768                                                         del e
 769
 770                                 try:
 771                                         mystat = os.stat(myfile_path)
 772                                 except OSError as e:
 773                                         if e.errno not in (errno.ENOENT, errno.ESTALE):
 774                                                 raise
 775                                         del e
 776                                 else:
 777                                         # Skip permission adjustment for symlinks, since we don't
 778                                         # want to modify anything outside of the primary DISTDIR,
 779                                         # and symlinks typically point to PORTAGE_RO_DISTDIRS.
 780                                         if not os.path.islink(myfile_path):
 781                                                 try:
 782                                                         apply_secpass_permissions(myfile_path,
 783                                                                 gid=portage_gid, mode=0o664, mask=0o2,
 784                                                                 stat_cached=mystat)
 785                                                 except PortageException as e:
 786                                                         if not os.access(myfile_path, os.R_OK):
 787                                                                 writemsg(_("!!! Failed to adjust permissions:"
 788                                                                         " %s\n") % (e,), noiselevel=-1)
 789
 790                                         # If the file is empty then it's obviously invalid. Remove
 791                                         # the empty file and try to download if possible.
 792                                         if mystat.st_size == 0:
 793                                                 if distdir_writable:
 794                                                         try:
 795                                                                 os.unlink(myfile_path)
 796                                                         except EnvironmentError:
 797                                                                 pass
 798                                         elif myfile not in mydigests:
 799                                                 # We don't have a digest, but the file exists.  We must
 800                                                 # assume that it is fully downloaded.
 801                                                 continue
 802                                         else:
 803                                                 if mystat.st_size < mydigests[myfile]["size"] and \
 804                                                         not restrict_fetch:
 805                                                         fetched = 1 # Try to resume this download.
 806                                                 elif parallel_fetchonly and \
 807                                                         mystat.st_size == mydigests[myfile]["size"]:
 808                                                         eout = EOutput()
 809                                                         eout.quiet = \
 810                                                                 mysettings.get("PORTAGE_QUIET") == "1"
 811                                                         eout.ebegin(
 812                                                                 "%s size ;-)" % (myfile, ))
 813                                                         eout.eend(0)
 814                                                         continue
 815                                                 else:
 816                                                         digests = _filter_unaccelarated_hashes(mydigests[myfile])
 817                                                         if hash_filter is not None:
 818                                                                 digests = _apply_hash_filter(digests, hash_filter)
 819                                                         verified_ok, reason = verify_all(myfile_path, digests)
 820                                                         if not verified_ok:
 821                                                                 writemsg(_("!!! Previously fetched"
 822                                                                         " file: '%s'\n") % myfile, noiselevel=-1)
 823                                                                 writemsg(_("!!! Reason: %s\n") % reason[0],
 824                                                                         noiselevel=-1)
 825                                                                 writemsg(_("!!! Got:      %s\n"
 826                                                                         "!!! Expected: %s\n") % \
 827                                                                         (reason[1], reason[2]), noiselevel=-1)
 828                                                                 if reason[0] == _("Insufficient data for checksum verification"):
 829                                                                         return 0
 830                                                                 if distdir_writable:
 831                                                                         temp_filename = \
 832                                                                                 _checksum_failure_temp_file(
 833                                                                                 mysettings["DISTDIR"], myfile)
 834                                                                         writemsg_stdout(_("Refetching... "
 835                                                                                 "File renamed to '%s'\n\n") % \
 836                                                                                 temp_filename, noiselevel=-1)
 837                                                         else:
 838                                                                 eout = EOutput()
 839                                                                 eout.quiet = \
 840                                                                         mysettings.get("PORTAGE_QUIET", None) == "1"
 841                                                                 if digests:
 842                                                                         digests = list(digests)
 843                                                                         digests.sort()
 844                                                                         eout.ebegin(
 845                                                                                 "%s %s ;-)" % (myfile, " ".join(digests)))
 846                                                                         eout.eend(0)
 847                                                                 continue # fetch any remaining files
 848
 849                         # Create a reversed list since that is optimal for list.pop().
 850                         uri_list = filedict[myfile][:]
 851                         uri_list.reverse()
 852                         checksum_failure_count = 0
 853                         tried_locations = set()
 854                         while uri_list:
 855                                 loc = uri_list.pop()
 856                                 # Eliminate duplicates here in case we've switched to
 857                                 # "primaryuri" mode on the fly due to a checksum failure.
 858                                 if loc in tried_locations:
 859                                         continue
 860                                 tried_locations.add(loc)
 861                                 if listonly:
 862                                         writemsg_stdout(loc+" ", noiselevel=-1)
 863                                         continue
 864                                 # allow different fetchcommands per protocol
 865                                 protocol = loc[0:loc.find("://")]
 866
 867                                 global_config_path = GLOBAL_CONFIG_PATH
 868                                 if portage.const.EPREFIX:
 869                                         global_config_path = os.path.join(portage.const.EPREFIX,
 870                                                         GLOBAL_CONFIG_PATH.lstrip(os.sep))
 871
 872                                 missing_file_param = False
 873                                 fetchcommand_var = "FETCHCOMMAND_" + protocol.upper()
 874                                 fetchcommand = mysettings.get(fetchcommand_var)
 875                                 if fetchcommand is None:
 876                                         fetchcommand_var = "FETCHCOMMAND"
 877                                         fetchcommand = mysettings.get(fetchcommand_var)
 878                                         if fetchcommand is None:
 879                                                 writemsg_level(
 880                                                         _("!!! %s is unset. It should "
 881                                                         "have been defined in\n!!! %s/make.globals.\n") \
 882                                                         % (fetchcommand_var, global_config_path),
 883                                                         level=logging.ERROR, noiselevel=-1)
 884                                                 return 0
 885                                 if "${FILE}" not in fetchcommand:
 886                                         writemsg_level(
 887                                                 _("!!! %s does not contain the required ${FILE}"
 888                                                 " parameter.\n") % fetchcommand_var,
 889                                                 level=logging.ERROR, noiselevel=-1)
 890                                         missing_file_param = True
 891
 892                                 resumecommand_var = "RESUMECOMMAND_" + protocol.upper()
 893                                 resumecommand = mysettings.get(resumecommand_var)
 894                                 if resumecommand is None:
 895                                         resumecommand_var = "RESUMECOMMAND"
 896                                         resumecommand = mysettings.get(resumecommand_var)
 897                                         if resumecommand is None:
 898                                                 writemsg_level(
 899                                                         _("!!! %s is unset. It should "
 900                                                         "have been defined in\n!!! %s/make.globals.\n") \
 901                                                         % (resumecommand_var, global_config_path),
 902                                                         level=logging.ERROR, noiselevel=-1)
 903                                                 return 0
 904                                 if "${FILE}" not in resumecommand:
 905                                         writemsg_level(
 906                                                 _("!!! %s does not contain the required ${FILE}"
 907                                                 " parameter.\n") % resumecommand_var,
 908                                                 level=logging.ERROR, noiselevel=-1)
 909                                         missing_file_param = True
 910
 911                                 if missing_file_param:
 912                                         writemsg_level(
 913                                                 _("!!! Refer to the make.conf(5) man page for "
 914                                                 "information about how to\n!!! correctly specify "
 915                                                 "FETCHCOMMAND and RESUMECOMMAND.\n"),
 916                                                 level=logging.ERROR, noiselevel=-1)
 917                                         if myfile != os.path.basename(loc):
 918                                                 return 0
 919
 920                                 if not can_fetch:
 921                                         if fetched != 2:
 922                                                 try:
 923                                                         mysize = os.stat(myfile_path).st_size
 924                                                 except OSError as e:
 925                                                         if e.errno not in (errno.ENOENT, errno.ESTALE):
 926                                                                 raise
 927                                                         del e
 928                                                         mysize = 0
 929
 930                                                 if mysize == 0:
 931                                                         writemsg(_("!!! File %s isn't fetched but unable to get it.\n") % myfile,
 932                                                                 noiselevel=-1)
 933                                                 elif size is None or size > mysize:
 934                                                         writemsg(_("!!! File %s isn't fully fetched, but unable to complete it\n") % myfile,
 935                                                                 noiselevel=-1)
 936                                                 else:
 937                                                         writemsg(_("!!! File %s is incorrect size, "
 938                                                                 "but unable to retry.\n") % myfile, noiselevel=-1)
 939                                                 return 0
 940                                         else:
 941                                                 continue
 942
 943                                 if fetched != 2 and has_space:
 944                                         #we either need to resume or start the download
 945                                         if fetched == 1:
 946                                                 try:
 947                                                         mystat = os.stat(myfile_path)
 948                                                 except OSError as e:
 949                                                         if e.errno not in (errno.ENOENT, errno.ESTALE):
 950                                                                 raise
 951                                                         del e
 952                                                         fetched = 0
 953                                                 else:
 954                                                         if mystat.st_size < fetch_resume_size:
 955                                                                 writemsg(_(">>> Deleting distfile with size "
 956                                                                         "%d (smaller than " "PORTAGE_FETCH_RESU"
 957                                                                         "ME_MIN_SIZE)\n") % mystat.st_size)
 958                                                                 try:
 959                                                                         os.unlink(myfile_path)
 960                                                                 except OSError as e:
 961                                                                         if e.errno not in \
 962                                                                                 (errno.ENOENT, errno.ESTALE):
 963                                                                                 raise
 964                                                                         del e
 965                                                                 fetched = 0
 966                                         if fetched == 1:
 967                                                 #resume mode:
 968                                                 writemsg(_(">>> Resuming download...\n"))
 969                                                 locfetch=resumecommand
 970                                                 command_var = resumecommand_var
 971                                         else:
 972                                                 #normal mode:
 973                                                 locfetch=fetchcommand
 974                                                 command_var = fetchcommand_var
 975                                         writemsg_stdout(_(">>> Downloading '%s'\n") % \
 976                                                 _hide_url_passwd(loc))
 977                                         variables = {
 978                                                 "URI":     loc,
 979                                                 "FILE":    myfile
 980                                         }
 981
 982                                         for k in ("DISTDIR", "PORTAGE_SSH_OPTS"):
 983                                                 try:
 984                                                         variables[k] = mysettings[k]
 985                                                 except KeyError:
 986                                                         pass
 987
 988                                         myfetch = shlex_split(locfetch)
 989                                         myfetch = [varexpand(x, mydict=variables) for x in myfetch]
 990                                         myret = -1
 991                                         try:
 992
 993                                                 myret = _spawn_fetch(mysettings, myfetch)
 994
 995                                         finally:
 996                                                 try:
 997                                                         apply_secpass_permissions(myfile_path,
 998                                                                 gid=portage_gid, mode=0o664, mask=0o2)
 999                                                 except FileNotFound:
1000                                                         pass
1001                                                 except PortageException as e:
1002                                                         if not os.access(myfile_path, os.R_OK):
1003                                                                 writemsg(_("!!! Failed to adjust permissions:"
1004                                                                         " %s\n") % str(e), noiselevel=-1)
1005                                                         del e
1006
1007                                         # If the file is empty then it's obviously invalid.  Don't
1008                                         # trust the return value from the fetcher.  Remove the
1009                                         # empty file and try to download again.
1010                                         try:
1011                                                 if os.stat(myfile_path).st_size == 0:
1012                                                         os.unlink(myfile_path)
1013                                                         fetched = 0
1014                                                         continue
1015                                         except EnvironmentError:
1016                                                 pass
1017
1018                                         if mydigests is not None and myfile in mydigests:
1019                                                 try:
1020                                                         mystat = os.stat(myfile_path)
1021                                                 except OSError as e:
1022                                                         if e.errno not in (errno.ENOENT, errno.ESTALE):
1023                                                                 raise
1024                                                         del e
1025                                                         fetched = 0
1026                                                 else:
1027
1028                                                         if stat.S_ISDIR(mystat.st_mode):
1029                                                                 # This can happen if FETCHCOMMAND erroneously
1030                                                                 # contains wget's -P option where it should
1031                                                                 # instead have -O.
1032                                                                 writemsg_level(
1033                                                                         _("!!! The command specified in the "
1034                                                                         "%s variable appears to have\n!!! "
1035                                                                         "created a directory instead of a "
1036                                                                         "normal file.\n") % command_var,
1037                                                                         level=logging.ERROR, noiselevel=-1)
1038                                                                 writemsg_level(
1039                                                                         _("!!! Refer to the make.conf(5) "
1040                                                                         "man page for information about how "
1041                                                                         "to\n!!! correctly specify "
1042                                                                         "FETCHCOMMAND and RESUMECOMMAND.\n"),
1043                                                                         level=logging.ERROR, noiselevel=-1)
1044                                                                 return 0
1045
1046                                                         # no exception?  file exists. let digestcheck() report
1047                                                         # an appropriately for size or checksum errors
1048
1049                                                         # If the fetcher reported success and the file is
1050                                                         # too small, it's probably because the digest is
1051                                                         # bad (upstream changed the distfile).  In this
1052                                                         # case we don't want to attempt to resume. Show a
1053                                                         # digest verification failure to that the user gets
1054                                                         # a clue about what just happened.
1055                                                         if myret != os.EX_OK and \
1056                                                                 mystat.st_size < mydigests[myfile]["size"]:
1057                                                                 # Fetch failed... Try the next one... Kill 404 files though.
1058                                                                 if (mystat[stat.ST_SIZE]<100000) and (len(myfile)>4) and not ((myfile[-5:]==".html") or (myfile[-4:]==".htm")):
1059                                                                         html404=re.compile("<title>.*(not found|404).*</title>",re.I|re.M)
1060                                                                         with io.open(
1061                                                                                 _unicode_encode(myfile_path,
1062                                                                                 encoding=_encodings['fs'], errors='strict'),
1063                                                                                 mode='r', encoding=_encodings['content'], errors='replace'
1064                                                                                 ) as f:
1065                                                                                 if html404.search(f.read()):
1066                                                                                         try:
1067                                                                                                 os.unlink(mysettings["DISTDIR"]+"/"+myfile)
1068                                                                                                 writemsg(_(">>> Deleting invalid distfile. (Improper 404 redirect from server.)\n"))
1069                                                                                                 fetched = 0
1070                                                                                                 continue
1071                                                                                         except (IOError, OSError):
1072                                                                                                 pass
1073                                                                 fetched = 1
1074                                                                 continue
1075                                                         if True:
1076                                                                 # File is the correct size--check the checksums for the fetched
1077                                                                 # file NOW, for those users who don't have a stable/continuous
1078                                                                 # net connection. This way we have a chance to try to download
1079                                                                 # from another mirror...
1080                                                                 digests = _filter_unaccelarated_hashes(mydigests[myfile])
1081                                                                 if hash_filter is not None:
1082                                                                         digests = _apply_hash_filter(digests, hash_filter)
1083                                                                 verified_ok, reason = verify_all(myfile_path, digests)
1084                                                                 if not verified_ok:
1085                                                                         writemsg(_("!!! Fetched file: %s VERIFY FAILED!\n") % myfile,
1086                                                                                 noiselevel=-1)
1087                                                                         writemsg(_("!!! Reason: %s\n") % reason[0],
1088                                                                                 noiselevel=-1)
1089                                                                         writemsg(_("!!! Got:      %s\n!!! Expected: %s\n") % \
1090                                                                                 (reason[1], reason[2]), noiselevel=-1)
1091                                                                         if reason[0] == _("Insufficient data for checksum verification"):
1092                                                                                 return 0
1093                                                                         temp_filename = \
1094                                                                                 _checksum_failure_temp_file(
1095                                                                                 mysettings["DISTDIR"], myfile)
1096                                                                         writemsg_stdout(_("Refetching... "
1097                                                                                 "File renamed to '%s'\n\n") % \
1098                                                                                 temp_filename, noiselevel=-1)
1099                                                                         fetched=0
1100                                                                         checksum_failure_count += 1
1101                                                                         if checksum_failure_count == \
1102                                                                                 checksum_failure_primaryuri:
1103                                                                                 # Switch to "primaryuri" mode in order
1104                                                                                 # to increase the probablility of
1105                                                                                 # of success.
1106                                                                                 primaryuris = \
1107                                                                                         primaryuri_dict.get(myfile)
1108                                                                                 if primaryuris:
1109                                                                                         uri_list.extend(
1110                                                                                                 reversed(primaryuris))
1111                                                                         if checksum_failure_count >= \
1112                                                                                 checksum_failure_max_tries:
1113                                                                                 break
1114                                                                 else:
1115                                                                         eout = EOutput()
1116                                                                         eout.quiet = mysettings.get("PORTAGE_QUIET", None) == "1"
1117                                                                         if digests:
1118                                                                                 eout.ebegin("%s %s ;-)" % \
1119                                                                                         (myfile, " ".join(sorted(digests))))
1120                                                                                 eout.eend(0)
1121                                                                         fetched=2
1122                                                                         break
1123                                         else:
1124                                                 if not myret:
1125                                                         fetched=2
1126                                                         break
1127                                                 elif mydigests!=None:
1128                                                         writemsg(_("No digest file available and download failed.\n\n"),
1129                                                                 noiselevel=-1)
1130                 finally:
1131                         if use_locks and file_lock:
1132                                 unlockfile(file_lock)
1133                                 file_lock = None
1134
1135                 if listonly:
1136                         writemsg_stdout("\n", noiselevel=-1)
1137                 if fetched != 2:
1138                         if restrict_fetch and not restrict_fetch_msg:
1139                                 restrict_fetch_msg = True
1140                                 msg = _("\n!!! %s/%s"
1141                                         " has fetch restriction turned on.\n"
1142                                         "!!! This probably means that this "
1143                                         "ebuild's files must be downloaded\n"
1144                                         "!!! manually.  See the comments in"
1145                                         " the ebuild for more information.\n\n") % \
1146                                         (mysettings["CATEGORY"], mysettings["PF"])
1147                                 writemsg_level(msg,
1148                                         level=logging.ERROR, noiselevel=-1)
1149                         elif restrict_fetch:
1150                                 pass
1151                         elif listonly:
1152                                 pass
1153                         elif not filedict[myfile]:
1154                                 writemsg(_("Warning: No mirrors available for file"
1155                                         " '%s'\n") % (myfile), noiselevel=-1)
1156                         else:
1157                                 writemsg(_("!!! Couldn't download '%s'. Aborting.\n") % myfile,
1158                                         noiselevel=-1)
1159
1160                         if listonly:
1161                                 failed_files.add(myfile)
1162                                 continue
1163                         elif fetchonly:
1164                                 failed_files.add(myfile)
1165                                 continue
1166                         return 0
1167         if failed_files:
1168                 return 0
1169         return 1