#!/usr/bin/python
#
# Copyright 2010 Brian Dolbec <brian.dolbec@gmail.com>
# Copyright 2002-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2 or later

"""'revdep-rebuild' scans libraries and binaries for missing shared library dependencies and attempts to fix them by re-emerging
those broken binaries and shared libraries. It is useful when an upgraded package breaks other software packages that are
dependent upon the upgraded package.
"""

import sys
# This block ensures that ^C interrupts are handled quietly.
try:
    import signal

    def exithandler(signum, frame):
        signal.signal(signal.SIGINT, signal.SIG_IGN)
        signal.signal(signal.SIGTERM, signal.SIG_IGN)
        print()
        sys.exit(1)

except KeyboardInterrupt:
    print()
    sys.exit(1)

from gentoolkit import errors
from gentoolkit.revdep_rebuild import rebuild

if __name__ == "__main__":
    signal.signal(signal.SIGINT, exithandler)
    signal.signal(signal.SIGTERM, exithandler)
    signal.signal(signal.SIGPIPE, signal.SIG_DFL)

    try:
        success = rebuild.main(rebuild.parse_options())
        sys.exit(success)
    except errors.GentoolkitException as err:
        if '--debug' in sys.argv:
            raise
        else:
            from gentoolkit import pprinter as pp
            sys.stderr.write(pp.error(str(err)))
            print()
            print("Add '--debug' to global options for traceback.")
            sys.exit(1)
