| #!/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: |
| from os import path as osp |
| sys.path.insert(0, osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), "pym")) |
| import portage |
| import re |
| import portage.exception |
| |
| __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 |
| |
| world_file = os.path.join("/", 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(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 (portage.exception.InvalidAtom, 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(sorted(worldlist)) + "\n") |