#!/usr/bin/python

# grep-maintainer
# Copyright (C) 2007 Stefano Zacchiroli <zack@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.

"""Dumb maintainer-based grep for the dpkg status file."""

import re
import sys
from debian import deb822

try:
    maint_RE = re.compile(sys.argv[1])
except IndexError:
    print >>sys.stderr, "Usage: grep-maintainer REGEXP"
    sys.exit(1)
except re.error, e:
    print >>sys.stderr, "Error in the regexp: %s" % (e,)
    sys.exit(1)

for pkg in deb822.Packages.iter_paragraphs(file('/var/lib/dpkg/status')):
    if pkg.has_key('Maintainer') and maint_RE.search(pkg['maintainer']):
        print pkg['package']