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#!/usr/bin/python
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
import sys, os
try:
import portage
except ImportError:
sys.path.insert(0, "/usr/lib/portage/pym")
import portage
import re
__candidatematcher__ = re.compile("^[0-9]+: \\*\\*\\* emerge ")
__noncandidatematcher__ = re.compile(" sync( |$)| clean( |$)| search( |$)|--oneshot|--fetchonly| unmerge( |$)")
def issyspkg(pkgline):
return (pkgline[0] == "*")
def iscandidate(logline):
return (__candidatematcher__.match(logline) \
and not __noncandidatematcher__.search(logline))
def getpkginfo(logline):
logline = re.sub("^[0-9]+: \\*\\*\\* emerge ", "", logline)
logline = logline.strip()
logline = re.sub("(\\S+\\.(ebuild|tbz2))|(--\\S+)|inject ", "", logline)
return logline.strip()
__uniqlist__ = []
def isunwanted(pkgline):
if pkgline in ["world", "system", "depclean", "info", "regen", ""]:
return False
elif pkgline in __uniqlist__:
return False
elif not re.search("^[a-zA-Z<>=~]", pkgline):
return False
else:
__uniqlist__.append(pkgline)
return True
# show a little description if we have arguments
if len(sys.argv) >= 2 and sys.argv[1] in ["-h", "--help"]:
print "This script regenerates the portage world file by checking the portage"
print "logfile for all actions that you've done in the past. It ignores any"
print "arguments except --help. It is recommended that you make a backup of"
print "your existing world file (%s) before using this tool." % portage.WORLD_FILE
sys.exit(0)
worldlist = portage.grabfile(os.path.join("/", portage.WORLD_FILE))
syslist = portage.settings.packages
syslist = filter(issyspkg, syslist)
logfile = portage.grabfile("/var/log/emerge.log")
biglist = filter(iscandidate, logfile)
biglist = map(getpkginfo, biglist)
tmplist = []
for l in biglist:
tmplist += l.split()
biglist = filter(isunwanted, tmplist)
#for p in biglist:
# print p
#sys.exit(0)
# resolving virtuals
realsyslist = []
for mykey in syslist:
# drop the asterix
mykey = mykey[1:]
#print "candidate:",mykey
mylist=portage.db["/"]["vartree"].dbapi.match(mykey)
if mylist:
mykey=portage.cpv_getkey(mylist[0])
if mykey not in realsyslist:
realsyslist.append(mykey)
for mykey in biglist:
#print "checking:",mykey
try:
mylist=portage.db["/"]["vartree"].dbapi.match(mykey)
except KeyError:
if "--debug" in sys.argv:
print "* ignoring broken log entry for %s (likely injected)" % mykey
except ValueError, e:
print "* %s is an ambigous package name, candidates are:\n%s" % (mykey, e)
continue
if mylist:
#print "mylist:",mylist
myfavkey=portage.cpv_getkey(mylist[0])
if (myfavkey not in realsyslist) and (myfavkey not in worldlist):
print "add to world:",myfavkey
worldlist.append(myfavkey)
portage.write_atomic(os.path.join("/", portage.WORLD_FILE), "\n".join(worldlist))
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