blob: 5a261dcad93e1bddc77b42312f552a12dc8c131f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#!/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.
"""Make a symlink and optionally touch a file (to handle dependencies).
Usage:
symlink.py [options] sources... target
A sym link to source is created at target. If multiple sources are specfied,
then target is assumed to be a directory, and will contain all the links to
the sources (basenames identical to their source).
"""
import errno
import optparse
import os.path
import shutil
import sys
def Main(argv):
parser = optparse.OptionParser()
parser.add_option('-f', '--force', action='store_true')
parser.add_option('--touch')
options, args = parser.parse_args(argv[1:])
if len(args) < 2:
parser.error('at least two arguments required.')
target = args[-1]
sources = args[:-1]
for s in sources:
t = os.path.join(target, os.path.basename(s))
if len(sources) == 1 and not os.path.isdir(target):
t = target
t = os.path.expanduser(t)
if os.path.realpath(t) == s:
continue
try:
os.symlink(s, t)
except OSError, e:
if e.errno == errno.EEXIST and options.force:
if os.path.isdir(t):
shutil.rmtree(t, ignore_errors=True)
else:
os.remove(t)
os.symlink(s, t)
else:
raise
if options.touch:
with open(options.touch, 'w') as f:
pass
if __name__ == '__main__':
sys.exit(Main(sys.argv))
|
