1 # Copyright (C) 2010 Apple 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 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 13 # ANY 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 16 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 18 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 19 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 20 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 21 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 23 """Functions relating to building WebKit""" 24 25 import re 26 27 28 def _should_file_trigger_build(target_platform, file): 29 # The directories and patterns lists below map directory names or 30 # regexp patterns to the bot platforms for which they should trigger a 31 # build. Mapping to the empty list means that no builds should be 32 # triggered on any platforms. Earlier directories/patterns take 33 # precendence over later ones. 34 35 # FIXME: The patterns below have only been verified to be correct on 36 # the platforms listed below. We should implement this for other platforms 37 # and start using it for their bots. Someone familiar with each platform 38 # will have to figure out what the right set of directories/patterns is for 39 # that platform. 40 assert(target_platform in ("mac-leopard", "mac-snowleopard", "win")) 41 42 directories = [ 43 # Directories that shouldn't trigger builds on any bots. 44 ("Examples", []), 45 ("PerformanceTests", []), 46 ("Source/WebCore/manual-tests", []), 47 ("Tools/BuildSlaveSupport/build.webkit.org-config/public_html", []), 48 ("Websites", []), 49 ("android", []), 50 ("brew", []), 51 ("efl", []), 52 ("haiku", []), 53 ("iphone", []), 54 ("opengl", []), 55 ("opentype", []), 56 ("openvg", []), 57 ("wince", []), 58 ("wx", []), 59 60 # Directories that should trigger builds on only some bots. 61 ("Source/JavaScriptGlue", ["mac"]), 62 ("Source/WebCore/image-decoders", ["chromium"]), 63 ("LayoutTests/platform/mac", ["mac", "win"]), 64 ("cairo", ["gtk", "wincairo"]), 65 ("cf", ["chromium-mac", "mac", "qt", "win"]), 66 ("chromium", ["chromium"]), 67 ("cocoa", ["chromium-mac", "mac"]), 68 ("curl", ["gtk", "wincairo"]), 69 ("gobject", ["gtk"]), 70 ("gpu", ["chromium", "mac"]), 71 ("gstreamer", ["gtk"]), 72 ("gtk", ["gtk"]), 73 ("mac", ["chromium-mac", "mac"]), 74 ("mac-leopard", ["mac-leopard"]), 75 ("mac-snowleopard", ["mac", "win"]), 76 ("mac-wk2", ["mac-snowleopard", "win"]), 77 ("objc", ["mac"]), 78 ("qt", ["qt"]), 79 ("skia", ["chromium"]), 80 ("soup", ["gtk"]), 81 ("v8", ["chromium"]), 82 ("win", ["chromium-win", "win"]), 83 ] 84 patterns = [ 85 # Patterns that shouldn't trigger builds on any bots. 86 (r"(?:^|/)ChangeLog.*$", []), 87 (r"(?:^|/)Makefile$", []), 88 (r"/ARM", []), 89 (r"/CMake.*", []), 90 (r"/LICENSE[^/]+$", []), 91 (r"ARM(?:v7)?\.(?:cpp|h)$", []), 92 (r"MIPS\.(?:cpp|h)$", []), 93 (r"WinCE\.(?:cpp|h|mm)$", []), 94 (r"\.(?:bkl|mk)$", []), 95 96 # Patterns that should trigger builds on only some bots. 97 (r"(?:^|/)GNUmakefile\.am$", ["gtk"]), 98 (r"/\w+Chromium\w*\.(?:cpp|h|mm)$", ["chromium"]), 99 (r"Mac\.(?:cpp|h|mm)$", ["mac"]), 100 (r"\.(?:vcproj|vsprops|sln)$", ["win"]), 101 (r"\.exp(?:\.in)?$", ["mac"]), 102 (r"\.gypi?", ["chromium"]), 103 (r"\.order$", ["mac"]), 104 (r"\.pr[io]$", ["qt"]), 105 (r"\.vcproj/", ["win"]), 106 (r"\.xcconfig$", ["mac"]), 107 (r"\.xcodeproj/", ["mac"]), 108 ] 109 110 base_platform = target_platform.split("-")[0] 111 112 # See if the file is in one of the known directories. 113 for directory, platforms in directories: 114 if re.search(r"(?:^|/)%s/" % directory, file): 115 return target_platform in platforms or base_platform in platforms 116 117 # See if the file matches a known pattern. 118 for pattern, platforms in patterns: 119 if re.search(pattern, file): 120 return target_platform in platforms or base_platform in platforms 121 122 # See if the file is a platform-specific test result. 123 match = re.match("LayoutTests/platform/(?P<platform>[^/]+)/", file) 124 if match: 125 # See if the file is a test result for this platform, our base 126 # platform, or one of our sub-platforms. 127 return match.group("platform") in (target_platform, base_platform) or match.group("platform").startswith("%s-" % target_platform) 128 129 # The file isn't one we know about specifically, so we should assume we 130 # have to build. 131 return True 132 133 134 def should_build(target_platform, changed_files): 135 """Returns true if the changed files affect the given platform, and 136 thus a build should be performed. target_platform should be one of the 137 platforms used in the build.webkit.org master's config.json file.""" 138 return any(_should_file_trigger_build(target_platform, file) for file in changed_files) 139