blob: d40b606812cbd6b45e0b9e33d4a2c7ffec606aac [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Rename the current branch while maintaining correct dependencies."""
import argparse
import sys
import subprocess2
from git_common import current_branch, run, set_branch_config, branch_config
from git_common import branch_config_map
def main(args):
current = current_branch()
if current == 'HEAD':
current = None
old_name_help = 'The old branch to rename.'
if current:
old_name_help += ' (default %(default)r)'
parser = argparse.ArgumentParser()
parser.add_argument('old_name', nargs=('?' if current else 1),
help=old_name_help, default=current)
parser.add_argument('new_name', help='The new branch name.')
opts = parser.parse_args(args)
# when nargs=1, we get a list :(
if isinstance(opts.old_name, list):
opts.old_name = opts.old_name[0]
run('branch', '-m', opts.old_name, opts.new_name)
# update the downstreams
for branch, merge in branch_config_map('merge').items():
if merge == 'refs/heads/' + opts.old_name:
# Only care about local branches
if branch_config(branch, 'remote') == '.':
set_branch_config(branch, 'merge', 'refs/heads/' + opts.new_name)
except subprocess2.CalledProcessError as cpe:
sys.stderr.write(cpe.stderr.decode('utf-8', 'replace'))
return 1
return 0
if __name__ == '__main__': # pragma: no cover
except KeyboardInterrupt: