| #!/usr/bin/env python3.8 |
| # Copyright 2019 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import argparse |
| import filecmp |
| import json |
| import os |
| import shutil |
| import sys |
| |
| # Verifies that the current golden file matches the provided golden. |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument( |
| '--golden', help='Path to the golden file', required=True) |
| parser.add_argument( |
| '--current', help='Path to the local file', required=True) |
| parser.add_argument( |
| '--stamp', help='Path to the victory file', required=True) |
| parser.add_argument( |
| '--bless', |
| help="Overwrites current with golden if they don't match.", |
| action='store_true') |
| parser.add_argument( |
| '--warn', |
| help='Whether API changes should only cause warnings', |
| action='store_true') |
| args = parser.parse_args() |
| |
| if args.golden: |
| if not filecmp.cmp(args.golden, args.current): |
| type = 'Warning' if args.warn or args.bless else 'Error' |
| print('%s: Golden file mismatch' % type) |
| |
| if args.bless: |
| shutil.copyfile(args.current, args.golden) |
| else: |
| print('Please acknowledge this change by updating the golden.\n') |
| print('You can rebuild with `bless_goldens=true` in your GN args,') |
| print('or you can run this command:') |
| # Use abspath in cp command so it works regardless of current |
| # working directory. |
| print( |
| ' cp ' + os.path.abspath(args.current) + ' ' + |
| os.path.abspath(args.golden)) |
| if not args.warn: |
| return 1 |
| |
| with open(args.stamp, 'w') as stamp_file: |
| stamp_file.write('Golden!\n') |
| |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
