1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
chrome / PRESUBMIT.py [blame]
# Copyright 2011 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Presubmit script for changes affecting chrome/
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into depot_tools.
"""
import re
INCLUDE_CPP_FILES_ONLY = (
r'.*\.(cc|h)$',
)
INCLUDE_SOURCE_FILES_ONLY = (
r'.*\.(c|cc|cpp|h|m|mm)$',
)
EXCLUDE = (
# Objective C confuses everything.
r'.*cocoa.*',
r'.*_mac\.(cc|h)$',
r'.*_mac_.*',
# All the messages files do weird multiple include trickery
r'.*_messages.*\.h$',
# Autogenerated window resources files are off limits
r'.*resource.h$',
# Header trickery
r'.*-inl\.h$',
# Has safe printf usage that cpplint complains about
r'safe_browsing_util\.cc$',
)
def _CheckChangeLintsClean(input_api, output_api):
"""Makes sure that the chrome/ code is cpplint clean."""
files_to_skip = input_api.DEFAULT_FILES_TO_SKIP + EXCLUDE
sources = lambda x: input_api.FilterSourceFile(
x, files_to_check=INCLUDE_CPP_FILES_ONLY, files_to_skip=files_to_skip)
return input_api.canned_checks.CheckChangeLintsClean(
input_api, output_api, sources)
def _CheckNoContentUnitTestsInChrome(input_api, output_api):
"""Makes sure that no unit tests from content/ are included in unit_tests."""
problems = []
for f in input_api.AffectedFiles():
if not f.LocalPath().endswith('BUILD.gn'):
continue
for line_num, line in f.ChangedContents():
m = re.search(r"'(.*\/content\/.*unittest.*)'", line)
if m:
problems.append(m.group(1))
if not problems:
return []
return [output_api.PresubmitPromptWarning(
'Unit tests located in content/ should be added to the ' +
'content_unittests target.',
items=problems)]
def _CheckNoIsAppleBuildFlagsInChromeFile(input_api, f):
"""Check for IS_APPLE in a given file in chrome/."""
preprocessor_statement = input_api.re.compile(r'^\s*#')
apple_buildflag = input_api.re.compile(r'BUILDFLAG\(IS_APPLE\)')
results = []
for lnum, line in f.ChangedContents():
if preprocessor_statement.search(line) and apple_buildflag.search(line):
results.append(' %s:%d' % (f.LocalPath(), lnum))
return results
def _CheckNoIsAppleBuildFlagsInChrome(input_api, output_api):
"""Check for IS_APPLE which isn't used in chrome/."""
apple_buildflags = []
def SourceFilter(affected_file):
return input_api.FilterSourceFile(affected_file, INCLUDE_SOURCE_FILES_ONLY,
input_api.DEFAULT_FILES_TO_SKIP)
for f in input_api.AffectedSourceFiles(SourceFilter):
apple_buildflags.extend(_CheckNoIsAppleBuildFlagsInChromeFile(input_api, f))
if not apple_buildflags:
return []
return [output_api.PresubmitError(
'IS_APPLE is not used in chrome/ but found in:\n', apple_buildflags)]
def _CheckNoIsIOSBuildFlagsInChromeFile(input_api, f):
"""Check for IS_IOS in a given file in chrome/."""
preprocessor_statement = input_api.re.compile(r'^\s*#')
ios_buildflag = input_api.re.compile(r'BUILDFLAG\(IS_IOS\)')
results = []
for lnum, line in f.ChangedContents():
if preprocessor_statement.search(line) and ios_buildflag.search(line):
results.append(' %s:%d' % (f.LocalPath(), lnum))
return results
def _CheckNoIsIOSBuildFlagsInChrome(input_api, output_api):
"""Check for IS_IOS which isn't used in chrome/."""
ios_buildflags = []
def SourceFilter(affected_file):
return input_api.FilterSourceFile(affected_file, INCLUDE_SOURCE_FILES_ONLY,
input_api.DEFAULT_FILES_TO_SKIP)
for f in input_api.AffectedSourceFiles(SourceFilter):
ios_buildflags.extend(_CheckNoIsIOSBuildFlagsInChromeFile(input_api, f))
if not ios_buildflags:
return []
return [output_api.PresubmitError(
'IS_IOS is not used in chrome/ but found in:\n', ios_buildflags)]
def _CheckBreakingInstallerVersionBumpNeeded(input_api, output_api):
files = []
breaking_version_installer_updated = False
def _FilterFile(affected_file):
return input_api.FilterSourceFile(
affected_file,
files_to_check=input_api.DEFAULT_FILES_TO_CHECK + (r'.*\.release',))
for f in input_api.AffectedSourceFiles(_FilterFile):
# Normalize the local path to Linux-style path separators so that the path
# comparisons work on Windows as well.
local_path = f.LocalPath().replace('\\', '/')
breaking_version_installer_updated |= (local_path ==
'chrome/installer/setup/last_breaking_installer_version.cc')
if (local_path == 'chrome/installer/mini_installer/chrome.release' or
local_path.startswith('chrome/test/mini_installer')):
files.append(local_path)
if files and not breaking_version_installer_updated:
return [output_api.PresubmitPromptWarning('''
Update chrome/installer/setup/last_breaking_installer_version.cc if the changes
found in the following files might break make downgrades not possible beyond
this browser's version.''', items=files)]
if not files and breaking_version_installer_updated:
return [output_api.PresubmitPromptWarning('''
No installer breaking changes detected but
chrome/installer/setup/last_breaking_installer_version.cc was updated. Please
update chrome/installer/PRESUBMIT.py if more files need to be watched for
breaking installer changes.''')]
return []
def _CommonChecks(input_api, output_api):
"""Checks common to both upload and commit."""
results = []
results.extend(_CheckNoContentUnitTestsInChrome(input_api, output_api))
results.extend(_CheckNoIsAppleBuildFlagsInChrome(input_api, output_api))
results.extend(_CheckNoIsIOSBuildFlagsInChrome(input_api, output_api))
results.extend(_CheckBreakingInstallerVersionBumpNeeded(input_api,
output_api))
return results
def CheckChangeOnUpload(input_api, output_api):
results = []
results.extend(_CommonChecks(input_api, output_api))
results.extend(_CheckChangeLintsClean(input_api, output_api))
return results
def CheckChangeOnCommit(input_api, output_api):
results = []
results.extend(_CommonChecks(input_api, output_api))
return results