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#!/usr/bin/env python3
import sys
sys.path.append("debian/lib/python")
import os
import os.path
import re
import shutil
import subprocess
import time
from debian_linux.debian import Changelog, VersionLinux
from debian_linux.patches import PatchSeries
class Main(object):
def __init__(self, input_files, override_version):
self.log = sys.stdout.write
self.input_files = input_files
changelog = Changelog(version=VersionLinux)[0]
source = changelog.source
version = changelog.version
if override_version:
version = VersionLinux('%s-0' % 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.xz' % (source, version.upstream)
self.tag = 'v' + version.linux_upstream_full
def __call__(self):
import tempfile
self.dir = tempfile.mkdtemp(prefix='genorig', dir='debian')
old_umask = os.umask(0o022)
try:
if os.path.isdir(self.input_files[0]):
self.upstream_export(self.input_files[0])
else:
self.upstream_extract(self.input_files[0])
if len(self.input_files) > 1:
self.upstream_patch(self.input_files[1])
# debian_patch() will change file mtimes. Capture the
# original release time so we can apply it to the final
# tarball. Note this doesn't work in case we apply an
# upstream patch, as that doesn't carry a release time.
orig_date = time.strftime(
"%a, %d %b %Y %H:%M:%S +0000",
time.gmtime(
os.stat(os.path.join(self.dir, self.orig, 'Makefile'))
.st_mtime))
self.debian_patch()
os.umask(old_umask)
self.tar(orig_date)
finally:
os.umask(old_umask)
shutil.rmtree(self.dir)
def upstream_export(self, input_repo):
self.log("Exporting %s from %s\n" % (self.tag, input_repo))
archive_proc = subprocess.Popen(['git', 'archive', '--format=tar',
'--prefix=%s/' % self.orig, self.tag],
cwd=input_repo,
stdout=subprocess.PIPE)
extract_proc = subprocess.Popen(['tar', '-xaf', '-'], cwd=self.dir,
stdin=archive_proc.stdout)
ret1 = archive_proc.wait()
ret2 = extract_proc.wait()
if ret1 or ret2:
raise RuntimeError("Can't create archive")
def upstream_extract(self, input_tar):
self.log("Extracting tarball %s\n" % input_tar)
match = re.match(r'(^|.*/)(?P<dir>linux-\d+\.\d+(\.\d+)?(-\S+)?)\.tar(\.(?P<extension>(bz2|gz|xz)))?$', input_tar)
if not match:
raise RuntimeError("Can't identify name of tarball")
cmdline = ['tar', '-xaf', input_tar, '-C', self.dir]
if subprocess.Popen(cmdline).wait():
raise RuntimeError("Can't extract tarball")
os.rename(os.path.join(self.dir, match.group('dir')), os.path.join(self.dir, self.orig))
def upstream_patch(self, input_patch):
self.log("Patching source with %s\n" % input_patch)
match = re.match(r'(^|.*/)patch-\d+\.\d+(\.\d+)?(-\S+?)?(\.(?P<extension>(bz2|gz|xz)))?$', 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')
elif match.group('extension') == 'xz':
cmdline.append('xzcat')
else:
cmdline.append('cat')
cmdline.append(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.log("Patching source with debian patch (series %s)\n" % name)
fp = open("debian/patches/series-" + name)
series = PatchSeries(name, "debian/patches", fp)
series(dir=os.path.join(self.dir, self.orig))
def tar(self, orig_date):
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 = '''(cd '%s' && find '%s' -print0) |
LC_ALL=C sort -z |
tar -C '%s' --no-recursion --null -T - --mtime '%s' --owner root --group root -caf '%s'
''' % (self.dir, self.orig, self.dir, orig_date, out)
try:
if os.spawnv(os.P_WAIT, '/bin/sh', ['sh', '-c', cmdline]):
raise RuntimeError("Can't patch source")
os.chmod(out, 0o644)
except:
try:
os.unlink(out)
except OSError:
pass
raise
try:
os.symlink(os.path.join('orig', self.orig_tar), os.path.join('..', self.orig_tar))
except OSError:
pass
if __name__ == '__main__':
from optparse import OptionParser
parser = OptionParser(usage="%prog [OPTION]... {TAR [PATCH] | REPO}")
parser.add_option("-V", "--override-version", dest="override_version", help="Override version", metavar="VERSION")
options, args = parser.parse_args()
assert 1 <= len(args) <= 2
Main(args, options.override_version)()
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