mergerfs/tools/git2debcl
2016-02-25 17:52:47 -05:00

129 lines
4.2 KiB
Python
Executable File

#!/usr/bin/python
# Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
import sys
import subprocess
import argparse
def git_tags():
args = ["git", "tag", '-l']
tags = subprocess.check_output(args)
tags = [[int(X) for X in tag.split(".")] for tag in tags.split()]
tags.sort()
tags.reverse()
tags = [".".join([str(X) for X in tag]) for tag in tags]
return tags
def git_log(fromtag,totag):
args = ['git','log','--no-merges','--oneline',fromtag+'...'+totag]
return subprocess.check_output(args).strip().split('\n')
def git_author_and_time(tag):
args = ['git','log','-1','--format=-- %an <%ae> %cD',tag]
return subprocess.check_output(args).strip()
def git_version():
args = ['git','describe','--always','--tags','--dirty']
return subprocess.check_output(args).strip()
def guess_distro():
try:
args = ['lsb_release','-i','-s']
return subprocess.check_output(args).strip().lower()
except:
return 'unknown'
def guess_codename():
try:
args = ['lsb_release','-c','-s']
return subprocess.check_output(args).strip().lower()
except:
return 'unknown'
def patch_subprocess():
if "check_output" not in dir( subprocess ): # duck punch it in!
def check_output(*popenargs, **kwargs):
r"""Run command with arguments and return its output as a byte string.
Backported from Python 2.7 as it's implemented as pure python on stdlib.
>>> check_output(['/usr/bin/python', '--version'])
Python 2.6.2
"""
process = subprocess.Popen(stdout=subprocess.PIPE, *popenargs, **kwargs)
output, unused_err = process.communicate()
retcode = process.poll()
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
error = subprocess.CalledProcessError(retcode, cmd)
error.output = output
raise error
return output
subprocess.check_output = check_output
def main():
patch_subprocess()
parser = argparse.ArgumentParser(description='Generated debian/changelog from git log')
parser.add_argument('--name',type=str,help='Name of package',required=True)
parser.add_argument('--version',type=str,help='Place in git history to include upto',default='::guess::')
parser.add_argument('--distro',type=str,help='Distribution name',default='::guess::')
parser.add_argument('--codename',type=str,help='Distribution codename',default='::guess::')
parser.add_argument('--urgency',type=str,help='Urgency',default='medium')
args = parser.parse_args()
if args.distro == '::guess::':
args.distro = guess_distro()
if args.codename == '::guess::':
args.codename = guess_codename()
if args.version == '::guess::':
ver = git_version()
args.version = ver+"~"+args.distro+"-"+args.codename
tags = git_tags()
if args.version in tags:
idx = tags.index(args.version)
tags = tags[idx:]
tags = zip(tags,tags)
else:
tags = zip(tags,tags)
tags.insert(0,(args.version,'HEAD'))
tag = tags[0]
for prev in tags[1:]:
print('%s (%s) %s; urgency=%s\n' % (args.name,tag[0],args.codename,args.urgency))
lines = git_log(tag[1],prev[1])
for line in lines:
print " * " + line
authorandtime = git_author_and_time(tag[1])
print(' %s\n' % authorandtime)
tag = prev
if __name__ == "__main__":
main()