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#!/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
import merge_api
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 = merge_api.ArgumentParser()
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:]))
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