phajdan.jr@chromium.org | a15170a | 2013-01-23 02:57:14 +0900 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | """Make a symlink and optionally touch a file (to handle dependencies).""" |
| 7 | |
| 8 | |
| 9 | import errno |
| 10 | import optparse |
| 11 | import os.path |
eseidel | 05da2ed | 2015-07-02 04:09:40 +0900 | [diff] [blame] | 12 | import shutil |
phajdan.jr@chromium.org | a15170a | 2013-01-23 02:57:14 +0900 | [diff] [blame] | 13 | import sys |
| 14 | |
| 15 | |
| 16 | def Main(argv): |
| 17 | parser = optparse.OptionParser() |
| 18 | parser.add_option('-f', '--force', action='store_true') |
| 19 | parser.add_option('--touch') |
| 20 | |
mostynb@opera.com | 9f6c0ea | 2013-05-29 06:49:11 +0900 | [diff] [blame] | 21 | options, args = parser.parse_args(argv[1:]) |
phajdan.jr@chromium.org | a15170a | 2013-01-23 02:57:14 +0900 | [diff] [blame] | 22 | if len(args) < 2: |
| 23 | parser.error('at least two arguments required.') |
| 24 | |
| 25 | target = args[-1] |
| 26 | sources = args[:-1] |
| 27 | for s in sources: |
| 28 | t = os.path.join(target, os.path.basename(s)) |
agrieve | fabc024 | 2015-07-16 05:13:15 +0900 | [diff] [blame] | 29 | if len(sources) == 1 and not os.path.isdir(target): |
| 30 | t = target |
phajdan.jr@chromium.org | a15170a | 2013-01-23 02:57:14 +0900 | [diff] [blame] | 31 | try: |
| 32 | os.symlink(s, t) |
| 33 | except OSError, e: |
| 34 | if e.errno == errno.EEXIST and options.force: |
eseidel | 05da2ed | 2015-07-02 04:09:40 +0900 | [diff] [blame] | 35 | if os.path.isdir(t): |
| 36 | shutil.rmtree(t, ignore_errors=True) |
| 37 | else: |
| 38 | os.remove(t) |
phajdan.jr@chromium.org | a15170a | 2013-01-23 02:57:14 +0900 | [diff] [blame] | 39 | os.symlink(s, t) |
| 40 | else: |
| 41 | raise |
| 42 | |
| 43 | |
| 44 | if options.touch: |
| 45 | with open(options.touch, 'w') as f: |
| 46 | pass |
| 47 | |
| 48 | |
| 49 | if __name__ == '__main__': |
| 50 | sys.exit(Main(sys.argv)) |