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#!/usr/bin/env python
#
# Copyright 2008
# Steve 'Ashcrow' Milner <smilner+buildbot@redhat.com>
#
# This software may be freely redistributed under the terms of the GNU
# general public license.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
Generates changelog information using git.
"""
__docformat__ = 'restructuredtext'
import os
import sys
def print_err(msg):
"""
Wrapper to make printing to stderr nicer.
:Parameters:
- `msg`: the message to print.
"""
sys.stderr.write(msg)
sys.stderr.write('\n')
def usage():
"""
Prints out usage information to stderr.
"""
print_err('Usage: %s git-binary since' % sys.argv[0])
print_err(('Example: %s /usr/bin/git f5067523dfae9c7cdefc82'
'8721ec593ac7be62db' % sys.argv[0]))
def main(args):
"""
Main entry point.
:Parameters:
- `args`: same as sys.argv[1:]
"""
# Make sure we have the arguments we need, else show usage
try:
git_bin = args[0]
since = args[1]
except IndexError, ie:
usage()
return 1
if not os.access(git_bin, os.X_OK):
print_err('Can not access %s' % git_bin)
return 1
# Open a pipe and force the format
pipe = os.popen((git_bin + ' log --pretty="format:%ad %ae%n'
' * %s" ' + since + '..'))
print pipe.read()
pipe.close()
return 0
if __name__ == '__main__':
raise SystemExit(main(sys.argv[1:]))
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