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#!/usr/bin/python
# vim: set fileencoding=utf-8 :
#
# (C) 2007 Guido Guenther <agx@sigxcpu.org>
# 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
#
"""Generate Debian changelog entries from git changelogs"""
import sys
import os
import re
import subprocess
import gbp.command_wrappers as gbpc
from gbp.git_utils import (GitRepositoryError, GitRepository, build_tag)
from gbp.config import GbpOptionParser
from gbp.errors import GbpError
from gbp.deb_utils import parse_changelog
def get_log(start, end):
"""Get the shortlog from commit start to commit end"""
try:
p1 = subprocess.Popen(["git-log", "--no-merges", "%s...%s" % (start, end)],
stdout=subprocess.PIPE)
p2 = subprocess.Popen(["git-shortlog"], stdin=p1.stdout, stdout=subprocess.PIPE)
changes = p2.communicate()[0].split('\n')
except OSError, err:
raise GbpError, "Cannot get changes: %s" % err
except ValueError, err:
raise GbpError, "Cannot get changes: %s" % err
if p1.wait() or p2.wait():
raise GbpError, "Cannot get changes, pipe failed."
return changes
def add_changelog_entry(msg, author):
cmd = 'DEBFULLNAME="%s" dch "%s"' % (author, msg.replace('"','\"'))
ret = os.system(cmd)
if ret:
raise GbpError, "Error executing %s: %d" % (cmd, ret)
def add_changelog_section(msg, distribution):
ret = os.system("dch --distribution=%s -i %s" % (distribution, msg))
if ret:
raise GbpError, "Error executing %s: %d" % (cmd, ret)
def shortlog_to_dch(changes):
"""convert the changes in git shortlog format to debian changelog format"""
commit_re = re.compile('\s+(?P<msg>.*)')
author_re = re.compile('(?P<author>.*) \([0-9]+\)')
author = 'Unknown'
ret = 0
for line in changes:
r = commit_re.match(line)
msg = ''
if r:
msg = r.group('msg')
else:
r = author_re.match(line)
if r:
author = r.group('author')
elif line:
print >>sys.stderr, "Unknown changelog line: %s" % line
if msg:
add_changelog_entry(msg, author)
def main(argv):
ret = 0
parser = GbpOptionParser(command=os.path.basename(argv[0]), prefix='')
parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False,
help="verbose command execution")
parser.add_config_file_option(option_name="debian-branch", dest='debian',
help="branch the debian patch is being developed on, default is '%(debian-branch)s'")
parser.add_option("-s", "--since", dest="from_commit", help="commit to start from")
parser.add_config_file_option(option_name="debian-tag", dest="debian_tag",
help="Format string for debian tags, default is '%(debian-tag)s'")
(options, args) = parser.parse_args(argv[1:])
try:
if options.verbose:
gbpc.Command.verbose = True
if args:
parser.print_help()
raise GbpError
try:
GitRepository('.')
except GitRepositoryError:
raise GbpError, "%s is not a git repository" % (os.path.abspath('.'))
cp = parse_changelog('debian/changelog')
if options.from_commit:
start = options.from_commit
else:
start = build_tag(options.debian_tag, cp['Version'])
changes = get_log(start, options.debian)
if changes:
# FIXME: need a way to force a new verison anyway:
if cp['Distribution'] != "UNRELEASED":
add_changelog_section(distribution="UNRELEASED", msg="UNRELEASED")
shortlog_to_dch(changes)
else:
print "No changes detected from %s to %s." % (start, options.debian)
except GbpError, err:
if len(err.__str__()):
print >>sys.stderr, err
ret = 1
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\:·:
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