#!/usr/bin/python -O
# Copyright 1999-2004 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 os,sys
sys.path = ["/usr/lib/portage/pym"]+sys.path
import portage_util

def getroot():
	try:
		a=os.environ["ROOT"]
		if a == '/':
			return '/'
	except SystemExit, e:
		raise # Needed else we can't exit.
	except:
		return '/'
	return os.path.normpath(a)+'/'

os.environ["PORTAGE_CALLER"]="ebuild"
		
if len(sys.argv)<=2:
	print "expecting two arguments."
	sys.exit(1)

import getopt

debug=0
	
opts,pargs=getopt.getopt(sys.argv[1:],'',['debug'])
for opt in opts:
	if opt[0]=='--debug':
		debug=1 

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

import portage

if len(pargs) > 1 and "noauto" not in portage.features:

	# so... basically we find the highest 'target' specified, and execute only that, rather
	# then executing each stage by a doebuild call. 
	# we do this due to the fact doebuild doesn't get it's own env handling right in conjunction with
	# ebuild.sh's env reloading, fixing it was what ebd does, no point in replicating it in stable 
	# (too massive of changes).
	# do a lil dance.
	try:				pargs.remove("clean")
	except ValueError:	cleanse_first = False
	else:				cleanse_first = True

	# make a lil love
	actionmap_targets = filter(lambda x: x in portage.actionmap_deps, pargs[1:])
	others = filter(lambda x: x not in portage.actionmap_deps, pargs[1:])
	def recurse_it(targ):
		l = portage.actionmap_deps[targ][:]
		if len(l):
			l += map(recurse_it, l)
		return l
	kills = portage.unique_array(portage.flatten(map(recurse_it, actionmap_targets)))
	actionmap_targets = filter(lambda x: x not in kills, actionmap_targets)
	
	# get down tonight.
	if "config" in others and (len(actionmap_targets) or len(others) > 1):
		if len(pargs) != 2:
			print "config must be called on it's own, not combined with any other phase"
			sys.exit(1)
	ebuild = pargs[0]
	pargs = actionmap_targets + others
	root = getroot()
	
for x in pargs:
	try:
		tmpsettings = portage.config(clone=portage.settings)
		a=portage.doebuild(ebuild, x, root, tmpsettings, debug=debug, cleanup=cleanse_first)
		cleanse_first = False
	except KeyboardInterrupt:
		print "(interrupted by user -- ctrl-C?)"
		a=1
	if a == None:
		print "Could not run the required binary?"
		a = 127
	if a:
		sys.exit(a)