51 строка
1.2 KiB
Python
Executable File
51 строка
1.2 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Make a symlink and optionally touch a file (to handle dependencies)."""
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import errno
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import optparse
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import os.path
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import shutil
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import sys
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def Main(argv):
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parser = optparse.OptionParser()
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parser.add_option('-f', '--force', action='store_true')
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parser.add_option('--touch')
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options, args = parser.parse_args(argv[1:])
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if len(args) < 2:
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parser.error('at least two arguments required.')
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target = args[-1]
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sources = args[:-1]
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for s in sources:
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t = os.path.join(target, os.path.basename(s))
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if len(sources) == 1 and not os.path.isdir(target):
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t = target
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try:
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os.symlink(s, t)
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except OSError, e:
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if e.errno == errno.EEXIST and options.force:
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if os.path.isdir(t):
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shutil.rmtree(t, ignore_errors=True)
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else:
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os.remove(t)
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os.symlink(s, t)
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else:
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raise
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if options.touch:
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with open(options.touch, 'w') as f:
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pass
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if __name__ == '__main__':
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sys.exit(Main(sys.argv))
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