#! /usr/local/bin/python
#
# Copyright (C) 1998,1999,2000,2001,2002 by the Free Software Foundation, Inc.
#
# 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 2
# of the License, or (at your option) any later version.
# 
# 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 General Public License for more details.
# 
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

"""Increment the digest volume number and reset the digest number to one.

Usage: %(PROGRAM)s [options] [listname ...]

Options:

    --help/-h
        Print this message and exit.

The lists named on the command line are bumped.  If no list names are given,
all lists are bumped.
"""

import sys
import getopt

import paths
from Mailman import mm_cfg
from Mailman import Utils
from Mailman import MailList
from Mailman import Errors
from Mailman.i18n import _

# Work around known problems with some RedHat cron daemons
import signal
signal.signal(signal.SIGCHLD, signal.SIG_DFL)

PROGRAM = sys.argv[0]



def usage(code, msg=''):
    if code:
        fd = sys.stderr
    else:
        fd = sys.stdout
    print >> fd, _(__doc__)
    if msg:
        print >> fd, msg
    sys.exit(code)



def main():
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'h', ['help'])
    except getopt.error, msg:
        usage(1, msg)

    for opt, arg in opts:
        if opt in ('-h', '--help'):
            usage(0)

    if args:
        listnames = args
    else:
        listnames = Utils.list_names()

    if not listnames:
        print _('Nothing to do.')
        sys.exit(0)

    for listname in listnames:
        try:
            # be sure the list is locked
            mlist = MailList.MailList(listname)
        except Errors.MMListError, e:
            usage(1, _('No such list: %(listname)s'))
        try:
            mlist.bump_digest_volume()
        finally:
            mlist.Save()
            mlist.Unlock()



if __name__ == '__main__':
    main()
