blob: 48edd505f4d21b2bda46a19a00f475e123e1c6b5 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2016 The Goma Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Script to show diff from previous commit."""
from __future__ import print_function
import argparse
import json
import os
import subprocess
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-o', '--output-json',
help=('A path to output filenames in JSON.'))
options = parser.parse_args()
git = 'git.bat' if os.name == 'nt' else 'git'
out = subprocess.check_output([git, 'diff', '--name-only', 'HEAD~1'],
cwd=SCRIPT_DIR)
if options.output_json:
with open(options.output_json, 'w') as f:
result = out.splitlines()
json.dump(result, f)
print(out)
if __name__ == '__main__':
main()