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git-import-dsc
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git-import-dsc
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#!/usr/bin/python -u
# vim: set fileencoding=utf-8 :
#
# (C) 2006,2007 Guido Guenther <[email protected]>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Import a Debian source package into a git repository"""
import ConfigParser
import sys
import re
import os
import tempfile
import glob
import pipes
from email.Utils import parseaddr
import gbp.command_wrappers as gbpc
from gbp.deb import (debian_version_chars, parse_changelog, unpack_orig,
parse_dsc, DscFile, tar_toplevel)
from gbp.git import (build_tag, create_repo, GitRepository,
GitRepositoryError, rfc822_date_to_git)
from gbp.config import GbpOptionParser, GbpOptionGroup
from gbp.errors import GbpError
class SkipImport(Exception):
pass
def download_source(pkg, dirs):
if re.match(r'[a-z]{1,5}://', pkg):
mode='dget'
else:
mode='apt-get'
dirs['download'] = os.path.abspath(tempfile.mkdtemp())
print "Downloading '%s' using '%s'..." % (pkg, mode)
if mode == 'apt-get':
gbpc.RunAtCommand('apt-get',
['-qq', '--download-only', 'source', pkg],
shell=False)(dir=dirs['download'])
else:
gbpc.RunAtCommand('dget',
['-q', '--download-only', pkg],
shell=False)(dir=dirs['download'])
dsc = glob.glob(os.path.join(dirs['download'], '*.dsc'))[0]
return dsc
def apply_patch(diff, unpack_dir):
"Apply patch to a source tree"
d = os.path.abspath(unpack_dir)
pipe = pipes.Template()
pipe.prepend('gunzip -c %s' % diff, '.-')
pipe.append('patch -p1 --quiet', '-.')
try:
ret = pipe.copy('', '')
if ret:
print >>sys.stderr, "Error import %s: %d" % (diff, ret)
return False
except OSError, err:
print >>sys.stderr, "Error importing %s: %s" % (diff, err[0])
return False
return True
def apply_deb_tgz(deb_tgz, unpack_dir):
"""Apply .debian.tar.gz (V3 source format)"""
unpackArchive = gbpc.UnpackTarArchive(deb_tgz, ".")()
return True
def apply_debian_patch(repo, unpack_dir, src, options, parents):
"""apply the debian patch and tag appropriately"""
version = "%s-%s" % (src.upstream_version, src.debian_version)
gitTag = gbpc.GitTag(options.sign_tags, options.keyid)
try:
os.chdir(unpack_dir)
if src.diff and not apply_patch(src.diff, unpack_dir):
raise GbpError
if src.deb_tgz and not apply_deb_tgz(src.deb_tgz, unpack_dir):
raise GbpError
if os.path.exists('debian/rules'):
os.chmod('debian/rules', 0755)
os.chdir(repo.path)
dch = parse_changelog(os.path.join(unpack_dir, 'debian/changelog'))
date= rfc822_date_to_git(dch['Date'])
author, email = parseaddr(dch['Maintainer'])
if not (author and email):
print >>sys.stderr, "Warning: failed to parse maintainer"
commit = repo.commit_dir(unpack_dir,
"Imported Debian patch %s" % version,
branch = options.debian_branch,
other_parents = parents,
author = author,
email = email,
date = date)
gitTag(build_tag(options.debian_tag, version),
msg="Debian release %s" % version, commit=commit)
except gbpc.CommandExecFailed:
print >>sys.stderr, "Failed to import Debian package"
raise GbpError
finally:
os.chdir(repo.path)
def print_dsc(dsc):
if dsc.native:
print "Debian Native Package"
print "Version:", dsc.upstream_version
print "Debian tarball:", dsc.tgz
else:
print "Upstream version:", dsc.upstream_version
print "Debian version:", dsc.debian_version
print "Upstream tarball:", dsc.tgz
print "Debian diff:", dsc.diff
if dsc.epoch:
print "Epoch: %s" % dsc.epoch
def main(argv):
dirs = {'top': os.path.abspath(os.curdir)}
needs_repo = False
ret = 0
parents = None
try:
parser = GbpOptionParser(command=os.path.basename(argv[0]), prefix='',
usage='%prog [options] /path/to/package.dsc')
except ConfigParser.ParsingError, err:
print >>sys.stderr, err
return 1
import_group = GbpOptionGroup(parser, "import options",
"pristine-tar and filtering")
tag_group = GbpOptionGroup(parser, "tag options",
"options related to git tag creation")
branch_group = GbpOptionGroup(parser, "version and branch naming options",
"version number and branch layout options")
for group in [import_group, branch_group, tag_group ]:
parser.add_option_group(group)
parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False,
help="verbose command execution")
parser.add_option("--download", action="store_true", dest="download", default=False,
help="download source package")
branch_group.add_config_file_option(option_name="debian-branch",
dest="debian_branch")
branch_group.add_config_file_option(option_name="upstream-branch",
dest="upstream_branch")
tag_group.add_boolean_config_file_option(option_name="sign-tags",
dest="sign_tags")
tag_group.add_config_file_option(option_name="keyid",
dest="keyid")
tag_group.add_config_file_option(option_name="debian-tag",
dest="debian_tag")
tag_group.add_config_file_option(option_name="upstream-tag",
dest="upstream_tag")
import_group.add_config_file_option(option_name="filter",
dest="filters", action="append")
import_group.add_boolean_config_file_option(option_name="pristine-tar",
dest="pristine_tar")
import_group.add_option("--ignore-same-version", action="store_true",
dest="ignore_same_version", default=False,
help="don't import already imported version")
(options, args) = parser.parse_args(argv[1:])
if options.verbose:
gbpc.Command.verbose = True
gitTag = gbpc.GitTag(options.sign_tags, options.keyid)
try:
if len(args) != 1:
parser.print_help()
raise GbpError
else:
pkg = args[0]
if options.download:
dsc = download_source(pkg, dirs=dirs)
else:
dsc = pkg
src = parse_dsc(dsc)
if src.pkgformat not in [ '1.0', '3.0' ]:
raise GbpError, "Importing %s source format not yet supported." % src.pkgformat
if options.verbose:
print_dsc(src)
try:
repo = GitRepository('.')
is_empty = repo.is_empty()
(clean, out) = repo.is_clean()
if not clean and not is_empty:
print >>sys.stderr, "Repository has uncommitted changes, commit these first: "
raise GbpError, out
except GitRepositoryError:
# no repo found, create one
needs_repo = True
is_empty = True
if needs_repo:
print "No git repository found, creating one."
repo = create_repo(src.pkg)
os.chdir(repo.path)
dirs['tmp'] = os.path.abspath(tempfile.mkdtemp(dir='..'))
unpack_dir = unpack_orig(src.tgz, dirs['tmp'], options.filters)
unpack_dir = tar_toplevel(unpack_dir)
format = [(options.upstream_tag, "Upstream"), (options.debian_tag, "Debian")][src.native]
tag = build_tag(format[0], src.upstream_version)
msg = "%s version %s" % (format[1], src.upstream_version)
if options.ignore_same_version:
if repo.find_version(options.debian_tag, src.version):
print "Version %s already imported." % src.version
raise SkipImport
if not repo.find_version(format[0], src.upstream_version):
print "tag %s not found, importing %s tarball" % (tag, format[1])
if is_empty:
branch = None
else:
branch = [options.upstream_branch,
options.debian_branch][src.native]
commit = repo.commit_dir(unpack_dir,
"Imported %s" % msg,
branch)
gitTag(version=tag, msg=msg, commit=commit)
if not src.native:
if is_empty:
gbpc.GitBranch()(options.upstream_branch, commit)
if options.pristine_tar:
gbpc.PristineTar().commit(src.tgz, 'refs/heads/%s' % options.upstream_branch)
parents = [ options.upstream_branch ]
if not src.native:
if is_empty and not repo.has_branch(options.debian_branch):
gbpc.GitBranch()(options.debian_branch, commit)
if src.diff or src.deb_tgz:
apply_debian_patch(repo, unpack_dir, src, options, parents)
else:
print >>sys.stderr, "Warning: Didn't find a diff to apply."
if repo.get_branch() == options.debian_branch:
# Update HEAD if we modified the checkout out branch
repo.force_head(options.debian_branch, hard=True)
except KeyboardInterrupt:
ret = 1
print >>sys.stderr, "Interrupted. Aborting."
except gbpc.CommandExecFailed:
ret = 1
except GitRepositoryError, msg:
print >>sys.stderr, "Git command failed: %s" % msg
ret = 1
except GbpError, err:
if len(err.__str__()):
print >>sys.stderr, err
ret = 1
except SkipImport:
pass
finally:
os.chdir(dirs['top'])
for d in [ 'tmp', 'download' ]:
if dirs.has_key(d):
gbpc.RemoveTree(dirs[d])()
if not ret:
print "Everything imported under '%s'" % src.pkg
return ret
if __name__ == '__main__':
sys.exit(main(sys.argv))
# vim:et:ts=4:sw=4:et:sts=4:ai:set list listchars=tab\:»·,trail\:·: