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#!/usr/bin/env python
# vim: set ts=4 sts=4:
#
# eclean -- (c) 2004 Michal Januszewski <spock@gentoo.org>
#
# A little script to display a list of ebuilds than can be cleaned out
# - ie. a list of ebuilds that don't provide any new archs or ~archs.
#
# Usage: just call it in a directory with a bunch of ebuilds.
#
# $Header: /srv/cvs/gentoo/gendevtools/eclean,v 1.2 2004/09/10 14:38:07 spock Exp $
import sys, re, string, commands, math
# The following two functions are taken from portage and hacked a little bit
# to handle package revisions (-r<x>).
endversion={"pre":-2,"p":0,"alpha":-4,"beta":-3,"rc":-1}
endversion_keys = ["pre", "p", "alpha", "beta", "rc"]
def relparse(myver):
"converts last version part into three components"
number=0
suffix=0
endtype=0
endnumber=0
mynewver=string.split(myver,"_")
myver=mynewver[0]
#normal number or number with letter at end
divider=len(myver)-1
if myver[divider:] not in "1234567890":
#letter at end
suffix=ord(myver[divider:])
number=string.atof(myver[0:divider])
elif re.match("r([0-9]+)", myver):
# this will fail if we ever get more than 100 revisions
# - hopefully, that will never happen ;>
number=string.atof(myver[1:])/100
else:
number=string.atof(myver)
if len(mynewver)==2:
#an endversion
for x in endversion_keys:
elen=len(x)
if mynewver[1][:elen] == x:
match=1
endtype=endversion[x]
try:
endnumber=string.atof(mynewver[1][elen:])
except:
endnumber=0
break
return [number,suffix,endtype,endnumber]
vcmpcache={}
def vercmp(val1,val2):
if val1==val2:
#quick short-circuit
return 0
valkey=val1+" "+val2
try:
return vcmpcache[valkey]
try:
return -vcmpcache[val2+" "+val1]
except KeyError:
pass
except KeyError:
pass
# consider 1_p2 vc 1.1
# after expansion will become (1_p2,0) vc (1,1)
# then 1_p2 is compared with 1 before 0 is compared with 1
# to solve the bug we need to convert it to (1,0_p2)
# by splitting _prepart part and adding it back _after_expansion
val1_prepart = val2_prepart = ''
if val1.count('_'):
val1, val1_prepart = val1.split('_', 1)
if val2.count('_'):
val2, val2_prepart = val2.split('_', 1)
# replace '-' by '.'
# FIXME: Is it needed? can val1/2 contain '-'?
val1=string.split(val1,'-')
if len(val1)==2:
val1[0]=val1[0]+"."+val1[1]
val2=string.split(val2,'-')
if len(val2)==2:
val2[0]=val2[0]+"."+val2[1]
val1=string.split(val1[0],'.')
val2=string.split(val2[0],'.')
#add back decimal point so that .03 does not become "3" !
for x in range(1,len(val1)):
if val1[x][0] == '0' :
val1[x]='.' + val1[x]
for x in range(1,len(val2)):
if val2[x][0] == '0' :
val2[x]='.' + val2[x]
# extend version numbers
if len(val2)<len(val1):
val2.extend(["0"]*(len(val1)-len(val2)))
elif len(val1)<len(val2):
val1.extend(["0"]*(len(val2)-len(val1)))
# add back _prepart tails
if val1_prepart:
val1[-1] += '_' + val1_prepart
if val2_prepart:
val2[-1] += '_' + val2_prepart
#The above code will extend version numbers out so they
#have the same number of digits.
for x in range(0,len(val1)):
cmp1=relparse(val1[x])
cmp2=relparse(val2[x])
for y in range(0,4):
myret=cmp1[y]-cmp2[y]
if myret != 0:
if myret < 0:
myret = -1
else:
myret = 1
vcmpcache[valkey]=myret
return myret
vcmpcache[valkey]=0
return 0
pkg = commands.getoutput('basename $(pwd)')
versions = string.split(commands.getoutput('ls -1 *ebuild | sed -e "s/.ebuild//" -e "s/$(basename $(pwd))-//"'),"\n")
versions.sort(vercmp)
versions.reverse()
tbl={}
for i in versions:
data = commands.getoutput('grep KEYWORDS %s-%s.ebuild | sed -e "s/KEYWORDS=//" -e \'s/"//g\'' % (pkg, i))
toclean = 1
for arch in string.split(data,' '):
if re.match('\*', arch) or len(arch) == 0:
continue
if arch[0] == '~':
if not tbl.has_key(arch[1:]):
tbl[arch[1:]] = {}
if not tbl[arch[1:]].has_key("unstable") and not tbl[arch[1:]].has_key("stable"):
tbl[arch[1:]]["unstable"] = i
toclean = 0
elif data[0] != '-':
if not tbl.has_key(arch):
tbl[arch] = {}
if not tbl[arch].has_key("stable"):
tbl[arch]["stable"] = i
toclean = 0
if toclean:
print "clean %s (%s)" % (i,data)
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