pungi/git-changelog

106 lines
3.1 KiB
Python
Executable File

#!/usr/bin/env python
#
# git-changelog - Output a rpm changelog
#
# Copyright (C) 2009-2010 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Author: David Cantrell <dcantrell@redhat.com>
# Author: Brian C. Lane <bcl@redhat.com>
from __future__ import print_function
import subprocess
import textwrap
from argparse import ArgumentParser
class ChangeLog:
def __init__(self, name, version):
self.name = name
self.version = version
def _getCommitDetail(self, commit, field):
proc = subprocess.Popen(
["git", "log", "-1", "--pretty=format:%s" % field, commit],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
).communicate()
ret = proc[0].strip('\n').split('\n')
if field == '%aE' and len(ret) == 1 and ret[0].find('@') != -1:
ret = ret[0].split('@')[0]
elif len(ret) == 1:
ret = ret[0]
else:
ret = filter(lambda x: x != '', ret)
return ret
def getLog(self):
if not self.name:
range = "%s.." % (self.version)
else:
range = "%s-%s.." % (self.name, self.version)
proc = subprocess.Popen(
["git", "log", "--pretty=oneline", "--no-merges", range],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True,
).communicate()
lines = filter(lambda x: x.find('l10n: ') != 41,
proc[0].strip('\n').split('\n'))
log = []
for line in lines:
fields = line.split(' ')
commit = fields[0]
summary = self._getCommitDetail(commit, "%s")
author = self._getCommitDetail(commit, "%aE")
log.append(("%s (%s)" % (summary.strip(), author)))
return log
def formatLog(self):
s = ""
for msg in self.getLog():
sublines = textwrap.wrap(msg, 77)
s = s + "- %s\n" % sublines[0]
if len(sublines) > 1:
for subline in sublines[1:]:
s = s + " %s\n" % subline
return s
def main():
parser = ArgumentParser()
parser.add_argument("-n", "--name",
help="Name of package used in tags")
parser.add_argument("-v", "--version",
help="Last version, changelog is commits after this tag")
args = parser.parse_args()
cl = ChangeLog(args.name, args.version)
print(cl.formatLog())
if __name__ == "__main__":
main()