1# Copyright 2019 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"""Enforces Vulkan types autogen matches script output.
6
7See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
8for more details on the presubmit API built into depot_tools.
9"""
10
11import os.path
12
13
14def CommonChecks(input_api, output_api):
15  generating_files = input_api.AffectedFiles(
16      file_filter=lambda x: os.path.basename(x.LocalPath()) in [
17          'generate_vulkan_types.py'])
18  generated_files = input_api.AffectedFiles(
19      file_filter=lambda x: os.path.basename(x.LocalPath()) in [
20          'vulkan_types.mojom', 'vulkan_types_mojom_traits.h',
21          'vulkan_types_mojom_traits.cc', 'generated_vulkan_type_mappings.gni'
22      ])
23
24
25  messages = []
26
27  if generated_files and not generating_files:
28    long_text = 'Changed files:\n'
29    for generated_file in generated_files:
30      long_text += generated_file.LocalPath() + '\n'
31      long_text += '\n'
32      messages.append(output_api.PresubmitError(
33          'Vulkan types generated files changed but the generator '
34          'did not.', long_text=long_text))
35
36  with input_api.temporary_directory() as temp_dir:
37    commands = []
38    if generating_files:
39      commands.append(input_api.Command(name='generate_vulkan_types',
40                                        cmd=[input_api.python_executable,
41                                             'generate_vulkan_types.py',
42                                             '--check',
43                                             '--output-dir=' + temp_dir],
44                                        kwargs={},
45                                        message=output_api.PresubmitError))
46    if commands:
47      messages.extend(input_api.RunTests(commands))
48
49  return messages
50
51def CheckChangeOnUpload(input_api, output_api):
52  return CommonChecks(input_api, output_api)
53
54def CheckChangeOnCommit(input_api, output_api):
55  return CommonChecks(input_api, output_api)
56