Tools/Scripts/clean-webkit

#!/usr/bin/env python

# Copyright (C) 2015 Canon Incorporated. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer.
# 2. 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.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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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# SUCH DAMAGE.

import sys
import argparse

from webkitpy.common.checkout.scm.detection import SCMDetector
from webkitpy.common.host import Host
from webkitpy.common.system.filesystem import FileSystem


def main(args):
    fs = FileSystem()
    host = Host()
    scm = SCMDetector(fs, host.executive).detect_scm_system(fs.getcwd())

    scm.discard_working_directory_changes()

    if args.keep_jhbuild_directory:
        # Clean everything inside WebKitBuild, except the JHBuild directories.
        scm.discard_untracked_files(discard_ignored_files=True, keep_webkitbuild_directory=True)
        if fs.isdir("WebKitBuild"):
            for build_dir in fs.listdir("WebKitBuild"):
                build_path = fs.join("WebKitBuild", build_dir)
                if fs.isdir(build_path):
                    if build_dir not in ["DependenciesGTK", "DependenciesWPE"]:
                        fs.rmtree(build_path)
                else:
                    fs.remove(build_path)
    else:
        scm.discard_untracked_files(discard_ignored_files=True)


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Clean WebKit")
    parser.add_argument("--keep-jhbuild-directory", action="store_true",
                        help="Don't wipe the JHBuild build directories.")

    args = parser.parse_args()
    sys.exit(main(args))