#!/usr/bin/env python
# Copyright (C) 2013 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

"""A utility script for running Chromium's dependency checker script on Blink."""

import os
import subprocess
import sys

def show_help():
    print 'Usage: %s [dir=Source]' % os.path.basename(sys.argv[0])

def main():
    start_dir = None
    if len(sys.argv) > 1:
        start_dir = sys.argv[1]

    if start_dir == '--help':
        show_help()
        return

    root_dir = os.path.realpath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
    if not start_dir:
        start_dir = os.path.join(root_dir, 'Source')

    check_deps = os.path.realpath(os.path.join(root_dir, os.pardir, os.pardir, 'buildtools', 'checkdeps', 'checkdeps.py'))
    subprocess.call([sys.executable, check_deps, '--root', root_dir, start_dir])

if '__main__' == __name__:
    main()