blob: 75a3e4e6d156fb75f3a59d339ecc1e0c4479b0ae [file] [log] [blame]
phajdan.jr@chromium.orga15170a2013-01-23 02:57:14 +09001#!/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
9import errno
10import optparse
11import os.path
eseidel05da2ed2015-07-02 04:09:40 +090012import shutil
phajdan.jr@chromium.orga15170a2013-01-23 02:57:14 +090013import sys
14
15
16def Main(argv):
17 parser = optparse.OptionParser()
18 parser.add_option('-f', '--force', action='store_true')
19 parser.add_option('--touch')
20
mostynb@opera.com9f6c0ea2013-05-29 06:49:11 +090021 options, args = parser.parse_args(argv[1:])
phajdan.jr@chromium.orga15170a2013-01-23 02:57:14 +090022 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))
agrievefabc0242015-07-16 05:13:15 +090029 if len(sources) == 1 and not os.path.isdir(target):
30 t = target
phajdan.jr@chromium.orga15170a2013-01-23 02:57:14 +090031 try:
32 os.symlink(s, t)
33 except OSError, e:
34 if e.errno == errno.EEXIST and options.force:
eseidel05da2ed2015-07-02 04:09:40 +090035 if os.path.isdir(t):
36 shutil.rmtree(t, ignore_errors=True)
37 else:
38 os.remove(t)
phajdan.jr@chromium.orga15170a2013-01-23 02:57:14 +090039 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
49if __name__ == '__main__':
50 sys.exit(Main(sys.argv))