diff options
Diffstat (limited to 'debian/bin/genorig.py')
| -rwxr-xr-x | debian/bin/genorig.py | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/debian/bin/genorig.py b/debian/bin/genorig.py new file mode 100755 index 000000000..9bf43a34e --- /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)() |