Make it possible to bisect builds of Chrome for ChromeOS

tools/bisect-builds.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Snapshot Build Bisect Tool
 
 This script bisects a snapshot archive using binary search. It starts at
 a bad revision (it will try to guess HEAD) and asks for a last known-good
 revision. It will then binary search across this revision range by downloading,
@@ skipping 141 matching lines @@
     # revision number.
     self.use_local_repo = use_local_repo
 
     # If the script is being used for android builds.
     self.android = self.platform.startswith('android')
 
     # Set some internal members:
     #   _listing_platform_dir = Directory that holds revisions. Ends with a '/'.
     #   _archive_extract_dir = Uncompressed directory in the archive_name file.
     #   _binary_name = The name of the executable to run.
-    if self.platform in ('linux', 'linux64', 'linux-arm'):
+    if self.platform in ('linux', 'linux64', 'linux-arm', 'chromeos'):
       self._binary_name = 'chrome'
     elif self.platform in ('mac', 'mac64'):
       self.archive_name = 'chrome-mac.zip'
       self._archive_extract_dir = 'chrome-mac'
     elif self.platform in ('win', 'win64'):
       self.archive_name = 'chrome-win32.zip'
       self._archive_extract_dir = 'chrome-win32'
       self._binary_name = 'chrome.exe'
     elif self.android:
       pass
@@ skipping 29 matching lines @@
       elif self.platform == 'android-arm-64':
         self._listing_platform_dir = 'arm_64/'
         self.archive_name = self.android_apk
       elif self.platform == 'android-x86':
         self._listing_platform_dir = 'x86/'
         self.archive_name = self.android_apk
       elif self.platform == 'android-x64-64':
         self._listing_platform_dir = 'x86_64/'
         self.archive_name = self.android_apk
     else:
-      if self.platform in ('linux', 'linux64', 'linux-arm'):
+      if self.platform in ('linux', 'linux64', 'linux-arm', 'chromeos'):
         self.archive_name = 'chrome-linux.zip'
         self._archive_extract_dir = 'chrome-linux'
         if self.platform == 'linux':
           self._listing_platform_dir = 'Linux/'
         elif self.platform == 'linux64':
           self._listing_platform_dir = 'Linux_x64/'
         elif self.platform == 'linux-arm':
           self._listing_platform_dir = 'Linux_ARM_Cross-Compile/'
+        elif self.platform == 'chromeos':
+          self._listing_platform_dir = 'Linux_ChromiumOS_Full/'
       elif self.platform == 'mac':
         self._listing_platform_dir = 'Mac/'
         self._binary_name = 'Chromium.app/Contents/MacOS/Chromium'
       elif self.platform == 'win':
         self._listing_platform_dir = 'Win/'
 
   def GetASANPlatformDir(self):
     """ASAN builds are in directories like "linux-release", or have filenames
     like "asan-win32-release-277079.zip". This aligns to our platform names
     except in the case of Windows where they use "win32" instead of "win"."""
@@ skipping 406 matching lines @@
 
   if context.android:
     RunAndroidRevision(context, revision, zip_file)
     # TODO(mikecase): Support running command to auto-bisect Android.
     return (None, None, None)
 
   # Create a temp directory and unzip the revision into it.
   cwd = os.getcwd()
   tempdir = tempfile.mkdtemp(prefix='bisect_tmp')
   UnzipFilenameToDir(zip_file, tempdir)
+
+  # Hack: Chrome OS archives are missing icudtl.dat; try to copy it from
+  # the local directory.
+  if context.platform == 'chromeos':
+    icudtl_path = 'third_party/icu/source/data/in/icudtl.dat'
+    if not os.access(icudtl_path, os.F_OK):
+      print 'Couldn\'t find: ' + icudtl_path
+      sys.exit()
+    os.system('cp %s %s/chrome-linux/' % (icudtl_path, tempdir))
+
   os.chdir(tempdir)
 
   # Run the build as many times as specified.
   testargs = ['--user-data-dir=%s' % profile] + args
   # The sandbox must be run as root on Official Chrome, so bypass it.
   if ((context.is_official or context.flash_path or context.pdf_path) and
       context.platform.startswith('linux')):
     testargs.append('--no-sandbox')
   if context.flash_path:
     testargs.append('--ppapi-flash-path=%s' % context.flash_path)
@@ skipping 423 matching lines @@
            '  SVN revisions (e.g. 123456) for chromium builds, from trunk.\n'
            '    Use base_trunk_revision from http://omahaproxy.appspot.com/\n'
            '    for earlier revs.\n'
            '    Chrome\'s about: build number and omahaproxy branch_revision\n'
            '    are incorrect, they are from branches.\n'
            '\n'
            'Tip: add "-- --no-first-run" to bypass the first run prompts.')
   parser = optparse.OptionParser(usage=usage)
   # Strangely, the default help output doesn't include the choice list.
   choices = ['mac', 'mac64', 'win', 'win64', 'linux', 'linux64', 'linux-arm',
-             'android-arm', 'android-arm-64', 'android-x86', 'android-x86-64']
-            # linux-chromiumos lacks a continuous archive http://crbug.com/78158
+             'android-arm', 'android-arm-64', 'android-x86', 'android-x86-64',
+             'chromeos']
   apk_choices = ['Chrome.apk', 'ChromeBeta.apk', 'ChromeCanary.apk',
                  'ChromeDev.apk', 'ChromeStable.apk']
   parser.add_option('-a', '--archive',
                     choices=choices,
                     help='The buildbot archive to bisect [%s].' %
                          '|'.join(choices))
   parser.add_option('-o',
                     action='store_true',
                     dest='official_builds',
                     help='Bisect across official Chrome builds (internal '
@@ skipping 192 matching lines @@
 
     print 'CHANGELOG URL:'
     if opts.official_builds:
       print OFFICIAL_CHANGELOG_URL % (min_chromium_rev, max_chromium_rev)
     else:
       PrintChangeLog(min_chromium_rev, max_chromium_rev)
 
 
 if __name__ == '__main__':
   sys.exit(main())