Refactoring auto-bisect bot

tools/auto_bisect/bisect_utils.py

 # Copyright 2014 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.
 
 """Utility functions used by the bisect tool.
 
 This includes functions related to checking out the depot and outputting
 annotations for the Buildbot waterfall.
 """
 
@@ skipping 48 matching lines @@
         'safesync_url': '',
     },
 ]
 GCLIENT_SPEC_ANDROID = "\ntarget_os = ['android']"
 GCLIENT_CUSTOM_DEPS_V8 = {
     'src/v8_bleeding_edge': 'https://chromium.googlesource.com/v8/v8.git'
 }
 FILE_DEPS_GIT = '.DEPS.git'
 FILE_DEPS = 'DEPS'
 
-REPO_SYNC_COMMAND = ('git checkout -f $(git rev-list --max-count=1 '
-                     '--before=%d remotes/m/master)')
-
-# Paths to CrOS-related files.
-# WARNING(qyearsley, 2014-08-15): These haven't been tested recently.
-CROS_SDK_PATH = os.path.join('..', 'cros', 'chromite', 'bin', 'cros_sdk')
-CROS_TEST_KEY_PATH = os.path.join(
-    '..', 'cros', 'chromite', 'ssh_keys', 'testing_rsa')
-CROS_SCRIPT_KEY_PATH = os.path.join(
-    '..', 'cros', 'src', 'scripts', 'mod_for_test_scripts', 'ssh_keys',
-    'testing_rsa')
-
-REPO_PARAMS = [
-    'https://chrome-internal.googlesource.com/chromeos/manifest-internal/',
-    '--repo-url',
-    'https://git.chromium.org/external/repo.git'
-]
-
 # Bisect working directory.
 BISECT_DIR = 'bisect'
 
 # The percentage at which confidence is considered high.
 HIGH_CONFIDENCE = 95
 
 # Below is the map of "depot" names to information about each depot. Each depot
 # is a repository, and in the process of bisecting, revision ranges in these
 # repositories may also be bisected.
 #
 # Each depot information dictionary may contain:
 #   src: Path to the working directory.
 #   recurse: True if this repository will get bisected.
 #   depends: A list of other repositories that are actually part of the same
 #       repository in svn. If the repository has any dependent repositories
 #       (e.g. skia/src needs skia/include and skia/gyp to be updated), then
 #       they are specified here.
 #   svn: URL of SVN repository. Needed for git workflow to resolve hashes to
 #       SVN revisions.
 #   from: Parent depot that must be bisected before this is bisected.
 #   deps_var: Key name in vars variable in DEPS file that has revision
 #       information.
 DEPOT_DEPS_NAME = {
     'chromium': {
         'src': 'src',
         'recurse': True,
         'depends': None,
-        'from': ['cros', 'android-chrome'],
+        'from': ['android-chrome'],
         'viewvc':
             'http://src.chromium.org/viewvc/chrome?view=revision&revision=',
         'deps_var': 'chromium_rev'
     },
     'webkit': {
         'src': 'src/third_party/WebKit',
         'recurse': True,
         'depends': None,
         'from': ['chromium'],
         'viewvc':
@@ skipping 186 matching lines @@
     params: A list of parameters to pass to gclient.
     cwd: Working directory to run from.
 
   Returns:
     The return code of the call.
   """
   cmd = ['gclient'] + params
   return _SubprocessCall(cmd, cwd=cwd)
 
 
-def SetupCrosRepo():
-  """Sets up CrOS repo for bisecting ChromeOS.
-
-  Returns:
-    True if successful, False otherwise.
-  """
-  cwd = os.getcwd()
-  try:
-    os.mkdir('cros')
-  except OSError as e:
-    if e.errno != errno.EEXIST:  # EEXIST means the directory already exists.
-      return False
-  os.chdir('cros')
-
-  cmd = ['init', '-u'] + REPO_PARAMS
-
-  passed = False
-
-  if not _RunRepo(cmd):
-    if not _RunRepo(['sync']):
-      passed = True
-  os.chdir(cwd)
-
-  return passed
-
-
-def _RunRepo(params):
-  """Runs CrOS repo command with specified parameters.
-
-  Args:
-    params: A list of parameters to pass to gclient.
-
-  Returns:
-    The return code of the call (zero indicates success).
-  """
-  cmd = ['repo'] + params
-  return _SubprocessCall(cmd)
-
-
-def RunRepoSyncAtTimestamp(timestamp):
-  """Syncs all git depots to the timestamp specified using repo forall.
-
-  Args:
-    params: Unix timestamp to sync to.
-
-  Returns:
-    The return code of the call.
-  """
-  cmd = ['forall', '-c', REPO_SYNC_COMMAND % timestamp]
-  return _RunRepo(cmd)
-
-
 def RunGClientAndCreateConfig(opts, custom_deps=None, cwd=None):
   """Runs gclient and creates a config containing both src and src-internal.
 
   Args:
     opts: The options parsed from the command line through parse_args().
     custom_deps: A dictionary of additional dependencies to add to .gclient.
     cwd: Working directory to run from.
 
   Returns:
     The return code of the call.
@@ skipping 239 matching lines @@
     platform = os.environ.get('PROCESSOR_ARCHITECTURE')
   return platform and platform in ['AMD64', 'I64']
 
 
 def IsLinuxHost():
   return sys.platform.startswith('linux')
 
 
 def IsMacHost():
   return sys.platform.startswith('darwin')