updated hook

pre-receive.gentoo-news (text/x-python), 2.37 KB, created by SpanKY on 2015-10-27 01:44:41 UTC

#!/usr/bin/env python2
#       vim:fileencoding=utf-8 et st=4 sts=4
# Copyright 2012-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

# Author: Michał Górny <[e-mail]>
# Author: Robin H. Johnson <[e-mail]> (hook fixups)
# Based on work of: Ulrich Müller <[e-mail]>

"""pre-receive git commit hook for gentoo news repo"""

from __future__ import print_function

import datetime
import fileinput
import os
import re
import subprocess
import sys


# GLEP 42: name should take the form of:
# where <name>: [a-z0-9+_-]+, <lang>: [a-z][a-z]
# yyyy-mm-dd-<name>/yyyy-mm-dd-<name>.<lang>.txt[.asc]
PATH_REGEX = re.compile(r'''
(?P<year> \d{4}) - (?P<month> \d{2}) - (?P<day> \d{2})
          - (?P<name> [a-z0-9+_-]+) /
(?P=year) - (?P=month) - (?P=day) - (?P=name)
          . (?P<lang> [a-z]{2}) .txt (?: .asc )?
''', re.VERBOSE)

INVALID_PATH_MSG = '''Path syntax invalid: %(filename)s
GLEP 42 paths must match:
  yyyy-mm-dd-<name>/yyyy-mm-dd-<name>.<lang>.txt[.asc]
  <name> is [a-z0-9+_-]+
  <lang> is [a-z][a-z]
'''

INVALID_DATE_MSG = '''Date invalid: %(date)s: %(error)s'''


def main(prog, *argv):
    if 'GIT_DIR' not in os.environ:
        return '%s: GIT_DIR unset' % (prog, )
    results = []
    for line in fileinput.input():
        # <old-value> SP <new-value> SP <ref-name> LF
        (oldrev, newrev, refname) = line.split()
        results += [validate(oldrev, newrev, refname)]
    results = [x for x in results if x]
    if not results:
        return 0
    else:
        print('%s: errors in commits' % (prog, ))
        print('\n'.join(results))
        return 1


def validate(oldrev, newrev, _refname):
    proc = subprocess.Popen(
            ['git', 'diff',
             '--name-only', '--diff-filter=A',
             '%s..%s' % (oldrev, newrev)],
            stdout=subprocess.PIPE)
    added = proc.communicate()[0].rstrip().split('\n')

    for filename in [x for x in added if x]:
        match = PATH_REGEX.match(filename)
        if not match:
            return INVALID_PATH_MSG % {'filename': filename}
        date = [int(match.group(x)) for x in ('year', 'month', 'day')]

        try:
            datetime.date(*date)
        except ValueError as e:
            return INVALID_DATE_MSG % {'date': date, 'error': e}

    # return nothing if good
    return 0


if __name__ == '__main__':
    sys.exit(main(*sys.argv))