rpmdiff

#!/usr/bin/python -tt
# -*- coding: utf-8 -*-
#
# Copyright (C) 2006 Mandriva; 2009 Red Hat, Inc.; 2009 Ville Skyttä
# Authors: Frederic Lepied, Florian Festi
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published by
# the Free Software Foundation; version 2 only
#
# 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import getopt
import os.path
import sys


if os.path.isdir("/usr/share/rpmlint"):
    import site
    site.addsitedir("/usr/share/rpmlint")
import Pkg  # noqa: E402

import Rpmdiff


def _usage(exit=1):
    print('''Usage: %s [<options>] <old package> <new package>
Options:
  -h, --help     Output this message and exit
  -i, --ignore   File property to ignore when calculating differences (may be
                 used multiple times); valid values are: S (size), M (mode),
                 5 (checksum), D (device), N (inode), L (number of links),
                 V (vflags), U (user), G (group), F (digest), T (time)'''
          % sys.argv[0])
    sys.exit(exit)


def main():

    ignore_tags = []
    try:
        opts, args = getopt.getopt(sys.argv[1:],
                                   "hti:", ["help", "ignore-times", "ignore="])
    except getopt.GetoptError as e:
        Pkg.warn("Error: %s" % e)
        _usage()

    for option, argument in opts:
        if option in ("-h", "--help"):
            _usage(0)
        if option in ("-t", "--ignore-times"):
            # deprecated; --ignore=T should be used instead
            ignore_tags.append("T")
        if option in ("-i", "--ignore"):
            ignore_tags.append(argument)

    if len(args) != 2:
        _usage()

    d = Rpmdiff.Rpmdiff(args[0], args[1], ignore=ignore_tags)
    textdiff = d.textdiff()
    if textdiff:
        print(textdiff)
    sys.exit(int(d.differs()))


if __name__ == '__main__':
    main()