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1# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
2#
3# Redistribution and use in source and binary forms, with or without
4# modification, are permitted provided that the following conditions
5# are met:
6# 1.  Redistributions of source code must retain the above copyright
7#     notice, this list of conditions and the following disclaimer.
8# 2.  Redistributions in binary form must reproduce the above copyright
9#     notice, this list of conditions and the following disclaimer in the
10#     documentation and/or other materials provided with the distribution.
11#
12# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
13# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
14# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
15# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
16# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
17# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
18# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
19# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
21# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22
23"""References to non-style modules used by the style package."""
24
25# This module is a simple facade to the functionality used by the
26# style package that comes from WebKit modules outside the style
27# package.
28#
29# With this module, the only intra-package references (i.e.
30# references to webkitpy modules outside the style folder) that
31# the style package needs to make are relative references to
32# this module. For example--
33#
34# > from .. style_references import parse_patch
35#
36# Similarly, people maintaining non-style code are not beholden
37# to the contents of the style package when refactoring or
38# otherwise changing non-style code. They only have to be aware
39# of this module.
40
41import os
42
43from webkitpy.common.checkout.diff_parser import DiffParser
44from webkitpy.common.system.logtesting import LogTesting
45from webkitpy.common.system.logtesting import TestLogStream
46from webkitpy.common.system.logutils import configure_logging
47from webkitpy.common.checkout.scm import detect_scm_system
48from webkitpy.layout_tests import port
49from webkitpy.layout_tests.layout_package import test_expectations
50from webkitpy.thirdparty.autoinstalled import pep8
51
52
53def detect_checkout():
54    """Return a WebKitCheckout instance, or None if it cannot be found."""
55    cwd = os.path.abspath(os.curdir)
56    scm = detect_scm_system(cwd)
57
58    return None if scm is None else WebKitCheckout(scm)
59
60
61class WebKitCheckout(object):
62
63    """Simple facade to the SCM class for use by style package."""
64
65    def __init__(self, scm):
66        self._scm = scm
67
68    def root_path(self):
69        """Return the checkout root as an absolute path."""
70        return self._scm.checkout_root
71
72    def create_patch(self, git_commit, changed_files=None):
73        return self._scm.create_patch(git_commit, changed_files=changed_files)
74