47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
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#!/usr/bin/env python
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# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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""" Adds extra patterns to the root .gitignore file.
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Reads the contents of the filename given as the first argument and appends
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them to the root .gitignore file. The new entires are intended to be additional
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ignoring patterns, or negating patterns to override existing entries (man
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gitignore for more details).
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"""
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import os
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import sys
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MODIFY_STRING = '# The following added by %s\n'
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def main(argv):
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if not argv[1]:
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# Special case; do nothing.
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return 0
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modify_string = MODIFY_STRING % argv[0]
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gitignore_file = os.path.dirname(argv[0]) + '/../../.gitignore'
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lines = open(gitignore_file, 'r').readlines()
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for i, line in enumerate(lines):
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# Look for modify_string in the file to ensure we don't append the extra
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# patterns more than once.
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if line == modify_string:
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lines = lines[:i]
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break
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lines.append(modify_string)
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f = open(gitignore_file, 'w')
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f.write(''.join(lines))
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f.write(open(argv[1], 'r').read())
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f.close()
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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