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# Copyright (C) 2010 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Functions relating to building WebKit"""
import re
def _should_file_trigger_build(target_platform, file):
# The directories and patterns lists below map directory names or
# regexp patterns to the bot platforms for which they should trigger a
# build. Mapping to the empty list means that no builds should be
# triggered on any platforms. Earlier directories/patterns take
# precendence over later ones.
# FIXME: The patterns below have only been verified to be correct on
# Windows. We should implement this for other platforms and start using
# it for their bots. Someone familiar with each platform will have to
# figure out what the right set of directories/patterns is for that
# platform.
assert(target_platform == "win")
directories = [
# Directories that shouldn't trigger builds on any bots.
("PerformanceTests", []),
("Source/WebCore/manual-tests", []),
("Examples", []),
("Websites", []),
("android", []),
("brew", []),
("efl", []),
("haiku", []),
("iphone", []),
("opengl", []),
("opentype", []),
("openvg", []),
("wx", []),
("wince", []),
# Directories that should trigger builds on only some bots.
("Source/JavaScriptGlue", ["mac"]),
("LayoutTests/platform/mac", ["mac", "win"]),
("LayoutTests/platform/mac-snowleopard", ["mac-snowleopard", "win"]),
("Source/WebCore/image-decoders", ["chromium"]),
("cairo", ["gtk", "wincairo"]),
("cf", ["chromium-mac", "mac", "qt", "win"]),
("chromium", ["chromium"]),
("cocoa", ["chromium-mac", "mac"]),
("curl", ["gtk", "wincairo"]),
("gobject", ["gtk"]),
("gpu", ["chromium", "mac"]),
("gstreamer", ["gtk"]),
("gtk", ["gtk"]),
("mac", ["chromium-mac", "mac"]),
("mac-leopard", ["mac-leopard"]),
("mac-snowleopard", ["mac-snowleopard"]),
("mac-wk2", ["mac-snowleopard", "win"]),
("objc", ["mac"]),
("qt", ["qt"]),
("skia", ["chromium"]),
("soup", ["gtk"]),
("v8", ["chromium"]),
("win", ["chromium-win", "win"]),
]
patterns = [
# Patterns that shouldn't trigger builds on any bots.
(r"(?:^|/)ChangeLog.*$", []),
(r"(?:^|/)Makefile$", []),
(r"/ARM", []),
(r"/CMake.*", []),
(r"/LICENSE[^/]+$", []),
(r"ARM(?:v7)?\.(?:cpp|h)$", []),
(r"MIPS\.(?:cpp|h)$", []),
(r"WinCE\.(?:cpp|h|mm)$", []),
(r"\.(?:bkl|mk)$", []),
# Patterns that should trigger builds on only some bots.
(r"(?:^|/)GNUmakefile\.am$", ["gtk"]),
(r"/\w+Chromium\w*\.(?:cpp|h|mm)$", ["chromium"]),
(r"Mac\.(?:cpp|h|mm)$", ["mac"]),
(r"\.exp(?:\.in)?$", ["mac"]),
(r"\.gypi?", ["chromium"]),
(r"\.order$", ["mac"]),
(r"\.pr[io]$", ["qt"]),
(r"\.xcconfig$", ["mac"]),
(r"\.xcodeproj/", ["mac"]),
]
base_platform = target_platform.split("-")[0]
# See if the file is in one of the known directories.
for directory, platforms in directories:
if re.search(r"(?:^|/)%s/" % directory, file):
return target_platform in platforms or base_platform in platforms
# See if the file matches a known pattern.
for pattern, platforms in patterns:
if re.search(pattern, file):
return target_platform in platforms or base_platform in platforms
# See if the file is a platform-specific test result.
match = re.match("LayoutTests/platform/(?P<platform>[^/]+)/", file)
if match:
# See if the file is a test result for this platform, our base
# platform, or one of our sub-platforms.
return match.group("platform") in (target_platform, base_platform) or match.group("platform").startswith("%s-" % target_platform)
# The file isn't one we know about specifically, so we should assume we
# have to build.
return True
def should_build(target_platform, changed_files):
"""Returns true if the changed files affect the given platform, and
thus a build should be performed. target_platform should be one of the
platforms used in the build.webkit.org master's config.json file."""
return any(_should_file_trigger_build(target_platform, file) for file in changed_files)
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