| #!/usr/bin/env python2.7 |
| # Copyright 2020 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. |
| '''Reads the contents of a manifest file generated by the build and verifies |
| that there are no collisions among destination paths. |
| ''' |
| |
| import argparse |
| import collections |
| import json |
| import sys |
| |
| Entry = collections.namedtuple('Entry', ['source', 'destination', 'label']) |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument( |
| '--input', help='Path to original manifest', required=True) |
| parser.add_argument( |
| '--output', help='Path to the updated manifest', required=True) |
| args = parser.parse_args() |
| |
| with open(args.input, 'r') as input_file: |
| entries = json.load(input_file) |
| |
| entries = [Entry(**e) for e in entries] |
| entries_by_dest = { |
| d: set(e for e in entries if e.destination == d) for d in set( |
| e.destination for e in entries) |
| } |
| conflicts = {d: e for d, e in entries_by_dest.iteritems() if len(e) > 1} |
| if conflicts: |
| for destination in conflicts: |
| print('Conflicts for path ' + destination + ':') |
| for conflict in conflicts[destination]: |
| print(' - ' + conflict.source) |
| print(' from ' + conflict.label) |
| print('Error: conflicting distribution entries!') |
| return 1 |
| |
| with open(args.output, 'w') as output_file: |
| json.dump( |
| sorted(e._asdict() for e in entries), |
| output_file, |
| indent=2, |
| sort_keys=True, |
| separators=(',', ': ')) |
| |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
