131 lines
4.3 KiB
Python
Executable File
131 lines
4.3 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# git-changelog - Output a rpm changelog
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#
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# Copyright (C) 2009 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Author: David Cantrell <dcantrell@redhat.com>
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# Author: Brian C. Lane <bcl@redhat.com>
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import os
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import re
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import subprocess
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import sys
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import textwrap
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from argparse import ArgumentParser
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class ChangeLog:
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def __init__(self, tag):
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self.tag = tag
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self.ignore = None
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def _getCommitDetail(self, commit, field, long=False):
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proc = subprocess.Popen(['git', 'log', '-1',
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"--pretty=format:%s" % field, commit],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE).communicate()
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ret = proc[0].decode("utf8").strip("\n").split('\n')
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if long:
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return ret
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if len(ret) == 1 and ret[0].find('@') != -1:
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ret = ret[0].split('@')[0]
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elif len(ret) == 1:
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ret = ret[0]
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else:
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ret = filter(lambda x: x != '', ret)
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return ret
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def getBugs(self, msg):
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"""Get the Resolves/Related bugs from the commit.
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Bug in first line is considered Resolves
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"""
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bugs = []
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if not msg:
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return []
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# summary line format is ^.*#([0-9]+).*
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# Make sure the bz# isn't likely to be a github issue
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for line in msg:
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m = re.match(r"^(Resolves|Related|Conflicts):\ +(rhbz#|RHEL-)(\d+)", line)
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if m and m.group(1) and m.group(2) and m.group(3):
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bugs.append((m.group(1), m.group(2), m.group(3)))
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else:
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# Assume summary line references are still rhbz# only
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m = re.match(r"^.*#(\d+).*", line)
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if m and m.group(1) and int(m.group(1)) > 100000:
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bugs.append(("Resolves", "rhbz#", m.group(1)))
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return bugs
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def getLog(self):
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rev_range = "%s.." % (self.tag)
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proc = subprocess.Popen(['git', 'log', '--pretty=oneline', rev_range],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE).communicate()
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lines = filter(lambda x: x.find('l10n: ') != 41 and \
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x.find('Merge commit') != 41 and \
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x.find('Merge branch') != 41,
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proc[0].decode("utf8").strip('\n').split('\n'))
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if self.ignore and self.ignore != '':
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for commit in self.ignore.split(','):
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lines = filter(lambda x: not x.startswith(commit), lines)
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log = []
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for line in lines:
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fields = line.split(' ')
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commit = fields[0]
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summary = self._getCommitDetail(commit, "%s")
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long = self._getCommitDetail(commit, "%b", True)
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author = self._getCommitDetail(commit, "%aE")
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msg = ["%s (%s)" % (summary.strip(), author)]
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for r, kind, bz in self.getBugs(long):
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msg.append("%s: %s%s" % (r, kind, bz))
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log.append(msg)
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return log
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def formatLog(self):
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s = ""
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for msg in self.getLog():
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sublines = textwrap.wrap(msg[0], 120)
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s = s + "- %s\n" % sublines[0]
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for line in sublines[1:] + msg[1:]:
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s = s + " %s\n" % line
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return s
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def main():
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parser = ArgumentParser(description="Generate changelog entries from git commits")
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parser.add_argument("-t", "--tag", dest="tag",
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help="Last tag, changelog is commits after this tag")
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args = parser.parse_args()
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cl = ChangeLog(args.tag)
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print(cl.formatLog())
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if __name__ == "__main__":
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main()
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