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#!/usr/bin/python -b
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from __future__ import print_function
import sys
from os import path as osp
if osp.isfile(osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), ".portage_not_installed")):
sys.path.insert(0, osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), "lib"))
import portage
portage._internal_caller = True
from portage import os
from portage._sets.files import StaticFileSet, WorldSelectedPackagesSet
import re
import tempfile
import textwrap
__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
eroot = portage.settings['EROOT']
world_file = os.path.join(eroot, portage.WORLD_FILE)
# 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." % world_file)
sys.exit(0)
worldlist = portage.grabfile(world_file)
syslist = [x for x in portage.settings.packages if issyspkg(x)]
logfile = portage.grabfile(os.path.join(eroot, "var/log/emerge.log"))
biglist = [getpkginfo(x) for x in logfile if iscandidate(x)]
tmplist = []
for l in biglist:
tmplist += l.split()
biglist = [x for x in tmplist if isunwanted(x)]
#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[eroot]["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[eroot]["vartree"].dbapi.match(mykey)
except (portage.exception.InvalidAtom, KeyError):
if "--debug" in sys.argv:
print("* ignoring broken log entry for %s (likely injected)" % mykey)
except ValueError as e:
try:
print("* %s is an ambiguous package name, candidates are:\n%s" % (mykey, e))
except AttributeError:
# FIXME: Find out what causes this (bug #344845).
print("* %s is an ambiguous package name" % (mykey,))
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)
if not worldlist:
pass
else:
existing_set = WorldSelectedPackagesSet(eroot)
existing_set.load()
if not existing_set:
existing_set.replace(worldlist)
else:
old_world = existing_set._filename
fd, tmp_filename = tempfile.mkstemp(suffix=".tmp",
prefix=os.path.basename(old_world) + ".",
dir=os.path.dirname(old_world))
os.close(fd)
new_set = StaticFileSet(tmp_filename)
new_set.update(worldlist)
if existing_set.getAtoms() == new_set.getAtoms():
os.unlink(tmp_filename)
else:
new_set.write()
msg = "Please review differences between old and new files, " + \
"and replace the old file if desired."
portage.util.writemsg_stdout("\n",
noiselevel=-1)
for line in textwrap.wrap(msg, 65):
portage.util.writemsg_stdout("%s\n" % line,
noiselevel=-1)
portage.util.writemsg_stdout("\n",
noiselevel=-1)
portage.util.writemsg_stdout(" old: %s\n\n" % old_world,
noiselevel=-1)
portage.util.writemsg_stdout(" new: %s\n\n" % tmp_filename,
noiselevel=-1)
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