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| 1 #!/usr/bin/env python |
| 2 # Copyright 2014 The Chromium Authors. All rights reserved. |
| 3 # Use of this source code is governed by a BSD-style license that can be |
| 4 # found in the LICENSE file. |
| 5 |
| 6 """Rename the current branch while maintaining correct dependencies.""" |
| 7 |
| 8 import argparse |
| 9 import sys |
| 10 |
| 11 import subprocess2 |
| 12 |
| 13 from git_common import current_branch, run, set_branch_config, branch_config |
| 14 from git_common import branch_config_map |
| 15 |
| 16 def main(args): |
| 17 current = current_branch() |
| 18 if current == 'HEAD': |
| 19 current = None |
| 20 old_name_help = 'The old branch to rename.' |
| 21 if current: |
| 22 old_name_help += ' (default %(default)r)' |
| 23 |
| 24 parser = argparse.ArgumentParser() |
| 25 parser.add_argument('old_name', nargs=('?' if current else 1), |
| 26 help=old_name_help, default=current) |
| 27 parser.add_argument('new_name', help='The new branch name.') |
| 28 |
| 29 opts = parser.parse_args(args) |
| 30 |
| 31 # when nargs=1, we get a list :( |
| 32 if isinstance(opts.old_name, list): |
| 33 opts.old_name = opts.old_name[0] |
| 34 |
| 35 try: |
| 36 run('branch', '-m', opts.old_name, opts.new_name) |
| 37 |
| 38 # update the downstreams |
| 39 for branch, merge in branch_config_map('merge').iteritems(): |
| 40 if merge == 'refs/heads/' + opts.old_name: |
| 41 # Only care about local branches |
| 42 if branch_config(branch, 'remote') == '.': |
| 43 set_branch_config(branch, 'merge', 'refs/heads/' + opts.new_name) |
| 44 except subprocess2.CalledProcessError as cpe: |
| 45 sys.stderr.write(cpe.stderr) |
| 46 return 1 |
| 47 |
| 48 |
| 49 if __name__ == '__main__': # pragma: no cover |
| 50 sys.exit(main(sys.argv[1:])) |
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