1# Copyright 2014 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5"""Chromium presubmit script for third_party/polymer.
6
7See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
8for more details on the presubmit API built into gcl.
9"""
10
11import os
12import json
13
14def _CheckBowerDependencies(input_api, output_api):
15  os_path = input_api.os_path
16  cwd = input_api.PresubmitLocalPath()
17  components_dir = os_path.join(cwd, 'components')
18  bower_json_path = os_path.join(cwd, 'bower.json')
19
20  for f in input_api.AffectedFiles(include_dirs=True):
21    p = f.AbsoluteLocalPath()
22    if p == bower_json_path or p.startswith(components_dir):
23      break
24  else:
25      return []
26
27  bower_dependencies = \
28      set(json.load(open(bower_json_path))['dependencies'].keys())
29  installed_components = set(p for p in os.listdir(components_dir))
30  # Add web-animations-js because we keep it in a separate directory
31  # '../third_party/web-animations-js'.
32  installed_components.add('web-animations-js')
33
34  if bower_dependencies == installed_components:
35    return []
36
37  problems = []
38
39  if installed_components - bower_dependencies:
40    problems.append(output_api.PresubmitError(
41        'Found components that are not listed in bower.json.',
42        items = list(installed_components - bower_dependencies)))
43
44  if bower_dependencies - installed_components:
45    problems.append(output_api.PresubmitError(
46        'Some of the Bower dependencies are not installed.',
47        items = list(bower_dependencies - installed_components)))
48
49  return problems
50
51def CheckChangeOnUpload(input_api, output_api):
52  return _CheckBowerDependencies(input_api, output_api)
53
54
55def CheckChangeOnCommit(input_api, output_api):
56  return _CheckBowerDependencies(input_api, output_api)
57