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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# version.py
#
# Copyright 2014 Neil Williams <codehelp@debian.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 3 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, see <http://www.gnu.org/licenses/>.
#
import subprocess
import os
# pylint: disable=superfluous-parens,too-many-locals
def version_tag():
"""
Parses the git status to determine if this is a git tag
or a developer commit and builds a version string combining
the two. If there is no git directory, relies on this being
a directory created from the tarball created by setup.py when
it uses this script and retrieves the original version string
from that.
:return: a version string based on the tag and short hash
"""
tag_name = None
if os.path.exists("./.git/"):
tag_list = [
'git', 'for-each-ref', '--sort=taggerdate', '--format',
"'%(refname)'", 'refs/tags',
]
hash_list = ['git', 'log', '-n', '1']
tag_hash_list = ['git', 'rev-list']
clone_data = subprocess.check_output(hash_list).strip().decode('utf-8')
commits = clone_data.split('\n')
clone_hash = commits[0].replace('commit ', '')[:8]
tag_data = subprocess.check_output(tag_list).strip().decode('utf-8')
tags = tag_data.split('\n')
if len(tags) < 2:
return clone_hash
tag_line = str(tags[len(tags) - 1]).replace('\'', '').strip()
tag_name = tag_line.split("/")[2]
tag_hash_list.append(tag_name)
tag_hash = subprocess.check_output(tag_hash_list).strip().decode('utf-8')
tags = tag_hash.split('\n')
tag_hash = tags[0][:8]
if tag_hash == clone_hash:
return tag_name
else:
# tag, month end and release are now out of sync.
# use the rev-list count to always ensure that we are building
# a newer version to cope with date changes at month end.
# use short git hash for reference.
dev_stamp = ['git', 'rev-list', '--count', 'HEAD']
dev_count = subprocess.check_output(dev_stamp).strip().decode('utf-8')
dev_short = ['git', 'rev-parse', '--short', 'HEAD']
dev_hash = subprocess.check_output(dev_short).strip().decode('utf-8')
return "%s+%s.%s" % (tag_name, dev_count, dev_hash)
if not tag_name and os.path.exists('debian/changelog'):
deb_version = subprocess.check_output(('dpkg-parsechangelog',
'--show-field',
'Version')).strip().decode(
'utf-8')
# example version returned would be '2016.11'
return deb_version.split('-')[0]
def main():
print(version_tag())
return 0
if __name__ == '__main__':
main()
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