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| 1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
| 2 # Copyright 2013 The Chromium Authors. All rights reserved. | 2 # Copyright 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 # that can be found in the LICENSE file. |
| 5 | 5 |
| 6 """Usage: %prog [options] [<commitref>]* | 6 """Usage: %prog [options] [<commitref>]* |
| 7 | 7 |
| 8 If no <commitref>'s are supplied, it defaults to HEAD. | 8 If no <commitref>'s are supplied, it defaults to HEAD. |
| 9 | 9 |
| 10 Calculates the generation number for one or more commits in a git repo. | 10 Calculates the generation number for one or more commits in a git repo. |
| 11 | 11 |
| 12 Generation number of a commit C with parents P is defined as: | 12 Generation number of a commit C with parents P is defined as: |
| 13 generation_number(C, []) = 0 | 13 generation_number(C, []) = 0 |
| 14 generation_number(C, P) = max(map(generation_number, P)) + 1 | 14 generation_number(C, P) = max(map(generation_number, P)) + 1 |
| (...skipping 260 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 275 print '\n'.join(map(str, map(get_num, targets))) | 275 print '\n'.join(map(str, map(get_num, targets))) |
| 276 return 0 | 276 return 0 |
| 277 | 277 |
| 278 | 278 |
| 279 if __name__ == '__main__': # pragma: no cover | 279 if __name__ == '__main__': # pragma: no cover |
| 280 try: | 280 try: |
| 281 sys.exit(main()) | 281 sys.exit(main()) |
| 282 except KeyboardInterrupt: | 282 except KeyboardInterrupt: |
| 283 sys.stderr.write('interrupted\n') | 283 sys.stderr.write('interrupted\n') |
| 284 sys.exit(1) | 284 sys.exit(1) |
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