bin/ebuild

#!/usr/bin/python -O
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-src/portage/bin/ebuild,v 1.18.2.3 2005/05/07 04:32:59 ferringb Exp $

import getopt, os, sys

if len(sys.argv) <= 2:
	print "Usage: ebuild <ebuild file> <command> [command] ..."
	print ""
	print "See the ebuild(1) man page for more info"
	sys.exit(1)


opts, pargs = getopt.getopt(sys.argv[1:], '', ['debug', 'force'])
debug = ("--debug",'') in opts
force = ("--force",'') in opts

if "merge" in pargs:
	print "Disabling noauto in features... merge disables it. (qmerge doesn't)"
	os.environ["FEATURES"] = os.environ.get("FEATURES", "") + " -noauto"

os.environ["PORTAGE_CALLER"]="ebuild"
sys.path = ["/usr/lib/portage/pym"]+sys.path

import portage, portage_util, portage_const

# do this _after_ 'import portage' to prevent unnecessary tracing
if debug and "python-trace" in portage.features:
	import portage_debug
	portage_debug.set_trace(True)

if portage.settings["NOCOLOR"] in ("yes","true") or not sys.stdout.isatty():
	import output
	output.nocolor()

ebuild = os.path.realpath(pargs.pop(0))

if not os.path.exists(ebuild):
	print "'%s' does not exist." % ebuild
	sys.exit(1)

ebuild_split = ebuild.split("/")
del ebuild_split[-2]
cpv = "/".join(ebuild_split[-2:])[:-7]

if not portage.catpkgsplit(cpv):
	print "!!! %s does not follow correct package syntax." % (cpv)
	sys.exit(1)

if ebuild.startswith(portage.root + portage_const.VDB_PATH):
	mytree = "vartree"

	portage_ebuild = portage.db[portage.root][mytree].dbapi.findname(cpv)

	if os.path.realpath(portage_ebuild) != ebuild:
		print "!!! Portage seems to think that %s is at %s" % (cpv, portage_ebuild)
		sys.exit(1)

else:
	mytree = "porttree"

	portage_ebuild = portage.portdb.findname(cpv)

	if not portage_ebuild or os.path.realpath(portage_ebuild) != ebuild:
		overlay = "/".join(ebuild_split[:-2])
		os.environ["PORTDIR_OVERLAY"] = os.environ.get("PORTDIR_OVERLAY","") + " " + overlay
		print "Appending %s to PORTDIR_OVERLAY..." % overlay

		reload(portage)
		portage_ebuild = portage.portdb.findname(cpv)

		if not portage_ebuild or os.path.realpath(portage_ebuild) != ebuild:
			print "!!! %s does not seem to have a valid PORTDIR structure." % overlay
			sys.exit(1)


if len(pargs) > 1 and "config" in pargs:
	print "config must be called on it's own, not combined with any other phase"
	sys.exit(1)

def discard_digests(myebuild, mysettings, mydbapi):
	"""Discard all distfiles digests for the given ebuild.  This is useful when
	upstream has changed the identity of the distfiles and the user would
	otherwise have to manually remove the Manifest and files/digest-* files in
	order to ensure correct results."""
	pkgdir = os.path.dirname(myebuild)
	fetchlist_dict = portage.FetchlistDict(pkgdir, mysettings, mydbapi)
	cat, pkg = pkgdir.split(os.sep)[-2:]
	cpv = cat + "/" + os.path.basename(myebuild)[:-7]
	from portage_manifest import Manifest
	mf = Manifest(pkgdir, mysettings["DISTDIR"],
		fetchlist_dict=fetchlist_dict)
	mf.create(requiredDistfiles=None,
		assumeDistHashesSometimes=True, assumeDistHashesAlways=True)
	distfiles = fetchlist_dict[cpv]
	for myfile in distfiles:
		try:
			del mf.fhashdict["DIST"][myfile]
		except KeyError:
			pass
	mf.write()

for arg in pargs:
	try:
		tmpsettings = portage.config(clone=portage.settings)
		if arg == "digest" and force:
			discard_digests(ebuild, tmpsettings, portage.portdb)
		a = portage.doebuild(ebuild, arg, portage.root, tmpsettings, debug=debug, cleanup=("noauto" not in portage.features), tree=mytree)
	except KeyboardInterrupt:
		print "Interrupted."
		a = 1
	except KeyError:
		# aux_get error
		a = 1
	if a == None:
		print "Could not run the required binary?"
		a = 127
	if a:
		sys.exit(a)