1# Copyright (C) 2010 Google Inc. All rights reserved.
2#
3# Redistribution and use in source and binary forms, with or without
4# modification, are permitted provided that the following conditions are
5# met:
6#
7#     * Redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer.
9#     * Redistributions in binary form must reproduce the above
10# copyright notice, this list of conditions and the following disclaimer
11# in the documentation and/or other materials provided with the
12# distribution.
13#     * Neither the name of Google Inc. nor the names of its
14# contributors may be used to endorse or promote products derived from
15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29import os
30
31from webkitpy.common.system.executive import ScriptError
32from webkitpy.tool.steps.abstractstep import AbstractStep
33from webkitpy.tool.steps.options import Options
34from webkitpy.common.system.deprecated_logging import error
35
36class CheckStyle(AbstractStep):
37    @classmethod
38    def options(cls):
39        return AbstractStep.options() + [
40            Options.non_interactive,
41            Options.check_style,
42            Options.git_commit,
43        ]
44
45    def run(self, state):
46        if not self._options.check_style:
47            return
48        os.chdir(self._tool.scm().checkout_root)
49
50        args = []
51        if self._options.git_commit:
52            args.append("--git-commit")
53            args.append(self._options.git_commit)
54
55        args.append("--diff-files")
56        args.extend(self._changed_files(state))
57
58        try:
59            self._tool.executive.run_and_throw_if_fail(self._tool.port().check_webkit_style_command() + args)
60        except ScriptError, e:
61            if self._options.non_interactive:
62                # We need to re-raise the exception here to have the
63                # style-queue do the right thing.
64                raise e
65            if not self._tool.user.confirm("Are you sure you want to continue?"):
66                exit(1)
67