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#!/usr/bin/env python
# Copyright 2013 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.
"""
mass-rename: update source files (gyp lists, #includes) to reflect
a rename. Expects "git diff --cached -M" to list a bunch of renames.
To use:
1) git mv foo1 bar1; git mv foo2 bar2; etc.
2) *without committing*, ./tools/git/mass-rename.py
3) look at git diff (without --cached) to see what the damage is
"""
import os
import subprocess
import sys
BASE_DIR = os.path.abspath(os.path.dirname(__file__))
def main():
popen = subprocess.Popen('git diff --cached --raw -M',
shell=True, stdout=subprocess.PIPE)
out, _ = popen.communicate()
if popen.returncode != 0:
return 1
for line in out.splitlines():
parts = line.split('\t')
if len(parts) != 3:
print 'Skipping: %s -- not a rename?' % parts
continue
attrs, fro, to = parts
if attrs.split()[4].startswith('R'):
subprocess.check_call([
sys.executable,
os.path.join(BASE_DIR, 'move_source_file.py'),
'--already_moved',
'--no_error_for_non_source_file',
fro, to])
else:
print 'Skipping: %s -- not a rename?' % fro
return 0
if __name__ == '__main__':
sys.exit(main())
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