bin/ebuild

   1 #!/usr/bin/python -O
   2 # Copyright 1999-2006 Gentoo Foundation
   3 # Distributed under the terms of the GNU General Public License v2
   4 # $Header: /var/cvsroot/gentoo-src/portage/bin/ebuild,v 1.18.2.3 2005/05/07 04:32:59 ferringb Exp $
   5
   6 import getopt, os, sys
   7
   8 if len(sys.argv) <= 2:
   9         print "Usage: ebuild <ebuild file> <command> [command] ..."
  10         print ""
  11         print "See the ebuild(1) man page for more info"
  12         sys.exit(1)
  13
  14
  15 opts, pargs = getopt.getopt(sys.argv[1:], '', ['debug', 'force'])
  16 debug = ("--debug",'') in opts
  17 force = ("--force",'') in opts
  18
  19 if "merge" in pargs:
  20         print "Disabling noauto in features... merge disables it. (qmerge doesn't)"
  21         os.environ["FEATURES"] = os.environ.get("FEATURES", "") + " -noauto"
  22
  23 os.environ["PORTAGE_CALLER"]="ebuild"
  24 try:
  25         import portage
  26 except ImportError:
  27         sys.path.insert(0, "/usr/lib/portage/pym")
  28         import portage
  29
  30 import portage_util, portage_const
  31
  32 # do this _after_ 'import portage' to prevent unnecessary tracing
  33 if debug and "python-trace" in portage.features:
  34         import portage_debug
  35         portage_debug.set_trace(True)
  36
  37 if portage.settings["NOCOLOR"] in ("yes","true") or not sys.stdout.isatty():
  38         import output
  39         output.nocolor()
  40
  41 ebuild = pargs.pop(0)
  42 if not os.path.isabs(ebuild):
  43         mycwd = os.getcwd()
  44         # Try to get the non-canonical path from the PWD evironment variable, since
  45         # the canonical path returned from os.getcwd() may may be unusable in
  46         # cases where the directory stucture is built from symlinks.
  47         if "PWD" in os.environ and os.environ["PWD"] != mycwd and \
  48                 os.path.realpath(os.environ["PWD"]) == mycwd:
  49                 mycwd = portage.normalize_path(os.environ["PWD"])
  50         ebuild = os.path.join(mycwd, ebuild)
  51 ebuild = portage.normalize_path(ebuild)
  52 # portdbapi uses the canonical path for the base of the portage tree, but
  53 # subdirectories of the base can be built from symlinks (like crossdev does).
  54 ebuild_portdir = os.path.realpath(os.path.dirname(os.path.dirname(ebuild)))
  55 ebuild = os.path.join(ebuild_portdir, *ebuild.split(os.path.sep)[-2:])
  56
  57 if not os.path.exists(ebuild):
  58         print "'%s' does not exist." % ebuild
  59         sys.exit(1)
  60
  61 ebuild_split = ebuild.split("/")
  62 del ebuild_split[-2]
  63 cpv = "/".join(ebuild_split[-2:])[:-7]
  64
  65 if not portage.catpkgsplit(cpv):
  66         print "!!! %s does not follow correct package syntax." % (cpv)
  67         sys.exit(1)
  68
  69 if ebuild.startswith(portage.root + portage_const.VDB_PATH):
  70         mytree = "vartree"
  71
  72         portage_ebuild = portage.db[portage.root][mytree].dbapi.findname(cpv)
  73
  74         if os.path.realpath(portage_ebuild) != ebuild:
  75                 print "!!! Portage seems to think that %s is at %s" % (cpv, portage_ebuild)
  76                 sys.exit(1)
  77
  78 else:
  79         mytree = "porttree"
  80
  81         portage_ebuild = portage.portdb.findname(cpv)
  82
  83         if not portage_ebuild or portage_ebuild != ebuild:
  84                 overlay = "/".join(ebuild_split[:-2])
  85                 os.environ["PORTDIR_OVERLAY"] = os.environ.get("PORTDIR_OVERLAY","") + " " + overlay
  86                 print "Appending %s to PORTDIR_OVERLAY..." % overlay
  87                 portage.close_portdbapi_caches()
  88                 reload(portage)
  89                 portage_ebuild = portage.portdb.findname(cpv)
  90
  91                 if not portage_ebuild or portage_ebuild != ebuild:
  92                         print "!!! %s does not seem to have a valid PORTDIR structure." % overlay
  93                         sys.exit(1)
  94
  95
  96 if len(pargs) > 1 and "config" in pargs:
  97         print "config must be called on it's own, not combined with any other phase"
  98         sys.exit(1)
  99
 100 def discard_digests(myebuild, mysettings, mydbapi):
 101         """Discard all distfiles digests for the given ebuild.  This is useful when
 102         upstream has changed the identity of the distfiles and the user would
 103         otherwise have to manually remove the Manifest and files/digest-* files in
 104         order to ensure correct results."""
 105         try:
 106                 portage._doebuild_manifest_exempt_depend += 1
 107                 pkgdir = os.path.dirname(myebuild)
 108                 fetchlist_dict = portage.FetchlistDict(pkgdir, mysettings, mydbapi)
 109                 cat, pkg = pkgdir.split(os.sep)[-2:]
 110                 cpv = cat + "/" + os.path.basename(myebuild)[:-7]
 111                 from portage_manifest import Manifest
 112                 mf = Manifest(pkgdir, mysettings["DISTDIR"],
 113                         fetchlist_dict=fetchlist_dict)
 114                 mf.create(requiredDistfiles=None,
 115                         assumeDistHashesSometimes=True, assumeDistHashesAlways=True)
 116                 distfiles = fetchlist_dict[cpv]
 117                 for myfile in distfiles:
 118                         try:
 119                                 del mf.fhashdict["DIST"][myfile]
 120                         except KeyError:
 121                                 pass
 122                 mf.write()
 123         finally:
 124                 portage._doebuild_manifest_exempt_depend -= 1
 125
 126 for arg in pargs:
 127         try:
 128                 tmpsettings = portage.config(clone=portage.settings)
 129                 if arg == "digest" and force:
 130                         discard_digests(ebuild, tmpsettings, portage.portdb)
 131                 a = portage.doebuild(ebuild, arg, portage.root, tmpsettings,
 132                         debug=debug, tree=mytree)
 133         except KeyboardInterrupt:
 134                 print "Interrupted."
 135                 a = 1
 136         except KeyError:
 137                 # aux_get error
 138                 a = 1
 139         if a == None:
 140                 print "Could not run the required binary?"
 141                 a = 127
 142         if a:
 143                 sys.exit(a)