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#!/usr/bin/env python2
# vim: set sts=4 sw=4 et tw=0 :
#
# Author(s): Nirbheek Chauhan <nirbheek@gentoo.org>
# License: MIT
#
# Bump gstreamer plugins to the version specified
# You must have your cvs directory as PORTDIR
#
import os
import shutil
import subprocess
import sys
import portage
from portage.output import EOutput
def usage():
print "Usage: $0 <base|good|bad|ugly> <version> [core version] [base version]"
print ""
print " If core/base version is unspecified or blank, it will not be changed"
if len(sys.argv) < 3 or len(sys.argv) > 5:
usage()
sys.exit(1)
###################
## Configuration ##
###################
REMOVE_OBSOLETE = True # Remove obsolete ebuilds?
GSTLIB = sys.argv[1]
GSTLIBVER = sys.argv[2]
GSTCOREVER = ''
GSTBASEVER = ''
if len(sys.argv) == 5:
GSTCOREVER = sys.argv[3]
GSTBASEVER = sys.argv[4]
elif len(sys.argv) == 4:
GSTCOREVER = sys.argv[3]
##################
## Parse Config ##
##################
eoutput = EOutput()
PORTDIR = portage.settings["PORTDIR"]
portdb = portage.portdb
settings = portage.settings
portdb.porttrees = [PORTDIR]
GSTPREFIX = 'gst-plugins-'
GSTECLASS = GSTPREFIX + GSTLIB
GSTLIB = 'media-libs/' + GSTPREFIX + GSTLIB
GSTCAT = 'media-plugins'
GSTLIBS = {'media-libs/gstreamer': GSTCOREVER,
'media-libs/gst-plugins-base': GSTBASEVER,
GSTLIB: GSTLIBVER,}
###############
## Functions ##
###############
def get_p(pkg):
"pkg must contain at least the package name"
if not portage.isjustname(pkg):
return portage.catpkgsplit(pkg)[1]
return portage.catsplit(pkg)[-1]
def get_v(cpv):
"cpv can be anything"
if portage.isjustname(cpv):
raise Exception('Input (%s) has no version!' % cpv)
pv = portage.pkgsplit(cpv)[-2:]
if pv[1] == 'r0':
return pv[0]
else:
return '%s-%s' % (pv[0], pv[1])
def get_cp(cpv):
"cpv must contain package and category"
return portage.pkgsplit(cpv)[0]
def get_pv(cpv, ver=None):
if not ver:
return portage.catsplit(cpv)[-1]
else:
return get_p(cpv) + '-' + ver
def get_cpv(cp, ver=None):
if ver:
return '%s-%s' % (cp, ver)
else:
# Return the latest one instead
return portdb.xmatch('match-all', cp)[-1]
def get_ebuild_dir(cpv):
return os.path.join(PORTDIR, get_cp(cpv))
def get_ebuild(cpv):
return os.path.join(get_pv(cpv)+'.ebuild')
def edit_gstdeps(ebuild):
# Editing files is hard, let's just use sed
sed_cmd = ''
for dep in GSTLIBS.keys():
# Ignore if wanted-version is empty
if not GSTLIBS[dep]:
continue
# FIXME: This is an approximate regexp for matching versions
old_dep = '%s-[-0-9._rpe]\+' % dep
new_dep = '%s-%s' % (dep, GSTLIBS[dep])
# We need a space at the end for further appending
sed_cmd += '-e "s|%s|%s|g" ' % (old_dep, new_dep)
if not sed_cmd:
# Nothing to do...
return
# In-place edit
sed_cmd = 'sed %s -i %s' % (sed_cmd, ebuild)
subprocess.check_call(sed_cmd, shell=True)
def isgstplugin(cpv):
if not cpv.startswith('%s/%s' % (GSTCAT, GSTPREFIX)):
return False
# Does it inherit GSTECLASS?
if not GSTECLASS in portdb.aux_get(cpv, ['INHERITED'])[0].split():
return False
return True
################
## Begin Work ##
################
# We do this outside the loop so that we get notified while stuff gets cached
eoutput.ebegin("Getting a list of all gst-plugins")
cp_all = portdb.cp_all(categories=[GSTCAT])
gst_cpv_all = []
eoutput.eend(0)
eoutput.ebegin("Getting the next gst-plugin")
# Does a first-time-expensive xmatch call
cpv = get_cpv(cp_all[0])
eoutput.eend(0)
for cp in cp_all:
cpv = get_cpv(cp)
if not isgstplugin(cpv):
continue
new_cpv = get_cpv(cp, GSTLIBVER)
print ">>> Current package is %s" % cpv
os.chdir(get_ebuild_dir(cpv))
old_ebuild = get_ebuild(cpv)
new_ebuild = get_ebuild(new_cpv)
eoutput.ebegin("Copying %s to %s" % (old_ebuild, new_ebuild))
shutil.copyfile(old_ebuild, new_ebuild)
eoutput.eend(0)
eoutput.einfo("Editing gstreamer deps and keywords. A diff will follow")
edit_gstdeps(new_ebuild)
subprocess.check_call('ekeyword ~all %s' % new_ebuild, shell=True, stdout=subprocess.PIPE)
try:
subprocess.check_call('diff -u %s %s' % (old_ebuild, new_ebuild), shell=True)
except subprocess.CalledProcessError as e:
# diff returns:
# 0 if files don't differ
# 1 if they differ
# 2 if something went wrong
if e.returncode == 2:
raise e
eoutput.ebegin("Running cvs add %s" % new_ebuild)
subprocess.check_call('cvs add %s' % new_ebuild, shell=True, stderr=subprocess.PIPE)
eoutput.eend(0)
subprocess.check_call('ebuild %s manifest' % new_ebuild, shell=True)
if REMOVE_OBSOLETE:
from obsolete_ebuilds import get_obsolete
print ">>> Removing obsolete ebuilds"
obsolete_ebuilds = map(get_ebuild, get_obsolete(cp))
for ebuild in obsolete_ebuilds:
eoutput.ebegin("Running cvs rm -f %s" % ebuild)
subprocess.check_call('cvs rm -f %s' % ebuild, shell=True, stderr=subprocess.PIPE)
eoutput.eend(0)
if os.path.isdir('files'):
print portage.output.red(">>> Package has a files/ directory, please double-check obsolete files")
subprocess.check_call('ebuild %s manifest' % new_ebuild, shell=True)
print ">>> All done with %s!" % cp
gst_cpv_all.append(new_cpv)
print ""
print "Here's a list for emerge :-)"
for cpv in gst_cpv_all:
print '=%s' % cpv,
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