new regenworld script

regenworld (text/plain), 2.22 KB, created by Marius Mauch (RETIRED) on 2004-01-14 17:40:48 UTC

#!/usr/bin/python

import sys
sys.path.insert(0, "/usr/lib/portage/pym")

import portage, string, re

__candidatematcher__ = re.compile("^[0-9]+: \\*\\*\\* emerge ")
__noncandidatematcher__ = re.compile(" sync( |$)| clean( |$)| search( |$)|--oneshot| unmerge( |$)")

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

worldlist = portage.grabfile("/var/cache/edb/world")
syslist = portage.grabfile(portage.profiledir+"/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:
		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)

myfile=open("/var/cache/edb/world", "w")
myfile.write(string.join(worldlist, '\n')+'\n')
myfile.close()