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Issue 2356973002: Revert of Add work-around to symlink.gni to avoid "not up-to-date" ninja errors (Closed)
Patch Set: Created 4 years, 3 months ago
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1 #!/usr/bin/env python 1 #!/usr/bin/env python
2 # Copyright (c) 2013 The Chromium Authors. All rights reserved. 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 3 # Use of this source code is governed by a BSD-style license that can be
4 # found in the LICENSE file. 4 # found in the LICENSE file.
5 5
6 """Make a symlink and optionally touch a file (to handle dependencies). 6 """Make a symlink and optionally touch a file (to handle dependencies).
7 7
8 Usage: 8 Usage:
9 symlink.py [options] sources... target 9 symlink.py [options] sources... target
10 10
11 A sym link to source is created at target. If multiple sources are specfied, 11 A sym link to source is created at target. If multiple sources are specfied,
12 then target is assumed to be a directory, and will contain all the links to 12 then target is assumed to be a directory, and will contain all the links to
13 the sources (basenames identical to their source). 13 the sources (basenames identical to their source).
14 """ 14 """
15 15
16 import errno 16 import errno
17 import optparse 17 import optparse
18 import os.path 18 import os.path
19 import shutil 19 import shutil
20 import sys 20 import sys
21 21
22 22
23 def Main(argv): 23 def Main(argv):
24 parser = optparse.OptionParser() 24 parser = optparse.OptionParser()
25 parser.add_option('-f', '--force', action='store_true') 25 parser.add_option('-f', '--force', action='store_true')
26 parser.add_option('--touch') 26 parser.add_option('--touch')
27 parser.add_option('--update-target-mtimes', action='store_true')
28 27
29 options, args = parser.parse_args(argv[1:]) 28 options, args = parser.parse_args(argv[1:])
30 if len(args) < 2: 29 if len(args) < 2:
31 parser.error('at least two arguments required.') 30 parser.error('at least two arguments required.')
32 31
33 target = args[-1] 32 target = args[-1]
34 sources = args[:-1] 33 sources = args[:-1]
35 for s in sources: 34 for s in sources:
36 t = os.path.join(target, os.path.basename(s)) 35 t = os.path.join(target, os.path.basename(s))
37 if len(sources) == 1 and not os.path.isdir(target): 36 if len(sources) == 1 and not os.path.isdir(target):
38 t = target 37 t = target
39 t = os.path.expanduser(t) 38 t = os.path.expanduser(t)
40 if os.path.realpath(t) == s: 39 if os.path.realpath(t) == s:
41 continue 40 continue
42 try: 41 try:
43 os.symlink(s, t) 42 os.symlink(s, t)
44 except OSError, e: 43 except OSError, e:
45 if e.errno == errno.EEXIST and options.force: 44 if e.errno == errno.EEXIST and options.force:
46 if os.path.isdir(t): 45 if os.path.isdir(t):
47 shutil.rmtree(t, ignore_errors=True) 46 shutil.rmtree(t, ignore_errors=True)
48 else: 47 else:
49 os.remove(t) 48 os.remove(t)
50 os.symlink(s, t) 49 os.symlink(s, t)
51 else: 50 else:
52 raise 51 raise
53 if options.update_target_mtimes:
54 # Work-around for ninja bug:
55 # https://github.com/ninja-build/ninja/issues/1186
56 os.utime(s, None)
57 52
58 53
59 if options.touch: 54 if options.touch:
60 with open(options.touch, 'w') as f: 55 with open(options.touch, 'w') as f:
61 pass 56 pass
62 57
63 58
64 if __name__ == '__main__': 59 if __name__ == '__main__':
65 sys.exit(Main(sys.argv)) 60 sys.exit(Main(sys.argv))
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