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#!/usr/bin/python3
import sys
from debian import deb822
import glob
import os
import os.path
import shutil
import subprocess
import time
import warnings
from debian_linux.debian import Changelog, VersionLinux
class Main(object):
def __init__(self, input_repo, override_version):
self.log = sys.stdout.write
self.input_repo = input_repo
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
temp_dir = tempfile.mkdtemp(prefix='genorig', dir='debian')
old_umask = os.umask(0o022)
try:
# When given a remote repo, we need a local copy.
if not self.input_repo.startswith('/') and ':' in self.input_repo:
temp_repo = os.path.join(temp_dir, 'git')
subprocess.run(
['git', 'clone', '--bare', '--depth=1', '-b', self.tag,
self.input_repo, temp_repo],
check=True)
self.input_repo = temp_repo
self.dir = os.path.join(temp_dir, 'export')
os.mkdir(self.dir)
self.upstream_export(self.input_repo)
# exclude_files() will change dir mtimes. Capture the
# original release time so we can apply it to the final
# tarball.
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.exclude_files()
os.umask(old_umask)
self.tar(orig_date)
finally:
os.umask(old_umask)
shutil.rmtree(temp_dir)
def upstream_export(self, input_repo):
self.log("Exporting %s from %s\n" % (self.tag, input_repo))
gpg_wrapper = os.path.join(os.getcwd(),
"debian/bin/git-tag-gpg-wrapper")
verify_proc = subprocess.Popen(['git',
'-c', 'gpg.program=%s' % gpg_wrapper,
'tag', '-v', self.tag],
cwd=input_repo)
if verify_proc.wait():
raise RuntimeError("GPG tag verification failed")
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 exclude_files(self):
self.log("Excluding file patterns specified in debian/copyright\n")
with open("debian/copyright") as f:
header = deb822.Deb822(f)
patterns = header.get("Files-Excluded", '').strip().split()
for pattern in patterns:
matched = False
for name in glob.glob(os.path.join(self.dir, self.orig, pattern)):
try:
shutil.rmtree(name)
except NotADirectoryError:
os.unlink(name)
matched = True
if not matched:
warnings.warn("Exclusion pattern '%s' did not match anything"
% pattern,
RuntimeWarning)
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)
env = os.environ.copy()
env.update({
'LC_ALL': 'C',
})
cmd = [
'tar',
'-C', self.dir,
'--sort=name',
'--mtime={}'.format(orig_date),
'--owner=root',
'--group=root',
'--use-compress-program=xz -T0',
'-cf',
out, self.orig,
]
try:
subprocess.run(cmd, env=env, check=True)
os.chmod(out, 0o644)
except BaseException:
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]... REPO")
parser.add_option("-V", "--override-version", dest="override_version",
help="Override version", metavar="VERSION")
options, args = parser.parse_args()
assert len(args) == 1
Main(args[0], options.override_version)()
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