| #!/usr/bin/env python |
| # Copyright 2017 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. |
| |
| import argparse |
| import json |
| import shutil |
| import sys |
| |
| |
| def noop_merge(output_json, jsons_to_merge): |
| """Use the first supplied JSON as the output JSON. |
| |
| Primarily intended for unsharded tasks. |
| |
| Args: |
| output_json: A path to a JSON file to which the results should be written. |
| jsons_to_merge: A list of paths to JSON files. |
| """ |
| if len(jsons_to_merge) > 1: |
| print >> sys.stderr, ( |
| 'Multiple JSONs provided: %s' % ','.join(jsons_to_merge)) |
| return 1 |
| if jsons_to_merge: |
| shutil.copyfile(jsons_to_merge[0], output_json) |
| else: |
| with open(output_json, 'w') as f: |
| json.dump({}, f) |
| return 0 |
| |
| |
| def main(raw_args): |
| parser = argparse.ArgumentParser() |
| parser.add_argument('--build-properties', help=argparse.SUPPRESS) |
| parser.add_argument('--summary-json', help=argparse.SUPPRESS) |
| parser.add_argument('-o', '--output-json', required=True) |
| parser.add_argument('jsons_to_merge', nargs='*') |
| |
| args = parser.parse_args(raw_args) |
| |
| return noop_merge(args.output_json, args.jsons_to_merge) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv[1:])) |
