linux/debian/bin/genorig.py

118 lines
4.3 KiB
Python
Executable File

#!/usr/bin/env python
import sys
sys.path.append("debian/lib/python")
import os, os.path, re, shutil
from debian_linux.debian import Changelog, VersionLinux
from debian_linux.patches import PatchSeries
class Main(object):
def __init__(self, input_tar, input_patch, override_version):
self.log = sys.stdout.write
self.input_tar = input_tar
self.input_patch = input_patch
changelog = Changelog(version = VersionLinux)[0]
source = changelog.source
version = changelog.version
if override_version:
version = VersionLinux('%s-undef' % override_version)
self.version_dfsg = version.linux_dfsg
if self.version_dfsg is None:
self.version_dfsg = '0'
self.log('Using source name %s, version %s, dfsg %s\n' % (source, version.upstream, self.version_dfsg))
self.orig = '%s-%s' % (source, version.upstream)
self.orig_tar = '%s_%s.orig.tar.gz' % (source, version.upstream)
def __call__(self):
import tempfile
self.dir = tempfile.mkdtemp(prefix = 'genorig', dir = 'debian')
try:
self.upstream_extract()
self.upstream_patch()
self.debian_patch()
self.tar()
finally:
shutil.rmtree(self.dir)
def upstream_extract(self):
self.log("Extracting tarball %s\n" % self.input_tar)
match = re.match(r'(^|.*/)(?P<dir>linux-\d+\.\d+\.\d+(-\S+)?)\.tar(\.(?P<extension>(bz2|gz)))?$', self.input_tar)
if not match:
raise RuntimeError("Can't identify name of tarball")
cmdline = ['tar -xf', self.input_tar, '-C', self.dir]
if match.group('extension') == 'bz2':
cmdline.append('-j')
elif match.group('extension') == 'gz':
cmdline.append('-z')
if os.spawnv(os.P_WAIT, '/bin/sh', ['sh', '-c', ' '.join(cmdline)]):
raise RuntimeError("Can't extract tarball")
os.rename(os.path.join(self.dir, match.group('dir')), os.path.join(self.dir, self.orig))
def upstream_patch(self):
if self.input_patch is None:
return
self.log("Patching source with %s\n" % self.input_patch)
match = re.match(r'(^|.*/)patch-\d+\.\d+\.\d+(-\S+?)?(\.(?P<extension>(bz2|gz)))?$', self.input_patch)
if not match:
raise RuntimeError("Can't identify name of patch")
cmdline = []
if match.group('extension') == 'bz2':
cmdline.append('bzcat')
elif match.group('extension') == 'gz':
cmdline.append('zcat')
else:
cmdline.append('cat')
cmdline.append(self.input_patch)
cmdline.append('| (cd %s; patch -p1 -f -s -t --no-backup-if-mismatch)' % os.path.join(self.dir, self.orig))
if os.spawnv(os.P_WAIT, '/bin/sh', ['sh', '-c', ' '.join(cmdline)]):
raise RuntimeError("Can't patch source")
def debian_patch(self):
name = "orig-" + self.version_dfsg
self.log("Patching source with debian patch (series %s)\n" % name)
fp = file("debian/patches/series/" + name)
series = PatchSeries(name, "debian/patches", fp)
series(dir = os.path.join(self.dir, self.orig))
def tar(self):
out = os.path.join("../orig", self.orig_tar)
try:
os.mkdir("../orig")
except OSError: pass
try:
os.stat(out)
raise RuntimeError("Destination already exists")
except OSError: pass
self.log("Generate tarball %s\n" % out)
cmdline = ['tar -czf', out, '-C', self.dir, self.orig]
try:
if os.spawnv(os.P_WAIT, '/bin/sh', ['sh', '-c', ' '.join(cmdline)]):
raise RuntimeError("Can't patch source")
os.chmod(out, 0644)
except:
try:
os.unlink(out)
except OSError:
pass
raise
if __name__ == '__main__':
from optparse import OptionParser
parser = OptionParser(usage = "%prog [OPTION]... TAR [PATCH]")
parser.add_option("-V", "--override-version", dest = "override_version", help = "Override version", metavar = "VERSION")
options, args = parser.parse_args()
input_tar = args[0]
input_patch = None
if len(args) > 1:
input_patch = args[1]
Main(input_tar, input_patch, options.override_version)()