| #!/usr/bin/env python |
| # Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import errno |
| import optparse |
| import os.path |
| import shutil |
| import sys |
| |
| |
| def main(argv): |
| parser = optparse.OptionParser() |
| parser.add_option('--touch') |
| |
| options, args = parser.parse_args(argv[1:]) |
| if len(args) != 2: |
| parser.error('Two arguments required.') |
| |
| source = os.path.abspath(args[0]) |
| target = os.path.abspath(args[1]) |
| try: |
| os.symlink(source, target) |
| except OSError, e: |
| if e.errno == errno.EEXIST: |
| os.remove(target) |
| os.symlink(source, target) |
| |
| if options.touch: |
| with open(os.path.abspath(options.touch), 'w') as f: |
| pass |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv)) |