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-rwxr-xr-xdebian/bin/genorig.py169
1 files changed, 169 insertions, 0 deletions
diff --git a/debian/bin/genorig.py b/debian/bin/genorig.py
new file mode 100755
index 0000000000..9bf43a34e2
--- /dev/null
+++ b/debian/bin/genorig.py
@@ -0,0 +1,169 @@
+#!/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)()