Remove Skia's forked buildbot code

slave/skia_slave_scripts/utils/sync_skia_in_chrome.py

-#!/usr/bin/env python
-# Copyright (c) 2013 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.
-
-""" Create (if needed) and sync a nested checkout of Skia inside of Chrome. """
-
-from config_private import SKIA_GIT_URL
-from optparse import OptionParser
-from py.utils.git_utils import GIT
-from py.utils import git_utils
-from py.utils import misc
-from py.utils import shell_utils
-
-import gclient_utils
-import os
-import re
-import shlex
-import sys
-import urllib2
-
-
-CHROME_GIT_URL = 'https://chromium.googlesource.com/chromium/src.git'
-CHROME_LKGR_URL = 'http://chromium-status.appspot.com/git-lkgr'
-FETCH = 'fetch.bat' if os.name == 'nt' else 'fetch'
-GCLIENT = 'gclient.bat' if os.name == 'nt' else 'gclient'
-GCLIENT_FILE = '.gclient'
-PATH_TO_SKIA_IN_CHROME = os.path.join('src', 'third_party', 'skia', 'src')
-DEFAULT_FETCH_TARGET = 'chromium'
-
-# Sync Chrome to LKGR.
-CHROME_REV_LKGR = 'CHROME_REV_LKGR'
-# Sync Chrome to origin/master.
-CHROME_REV_MASTER = 'CHROME_REV_MASTER'
-
-# Code revision specified by DEPS.
-SKIA_REV_DEPS = 'SKIA_REV_DEPS'
-# Sync to origin/master.
-SKIA_REV_MASTER = 'SKIA_REV_MASTER'
-
-
-def GetDepsVar(deps_filepath, variable):
-  """Read the given DEPS file and return the value of the given variable.
-
-  Args:
-      deps_filepath: string; path to a DEPS file.
-      variable: string; name of the variable whose value should be returned.
-  Returns:
-      string; value of the requested variable.
-  """
-  deps_vars = {}
-  deps_vars['Var'] = lambda x: deps_vars['vars'][x]
-  execfile(deps_filepath, deps_vars)
-  return deps_vars['vars'][variable]
-
-
-def Sync(skia_revision=SKIA_REV_MASTER, chrome_revision=CHROME_REV_LKGR,
-         fetch_target=DEFAULT_FETCH_TARGET,
-         gyp_defines=None, gyp_generators=None):
-  """ Create and sync a checkout of Skia inside a checkout of Chrome. Returns
-  a tuple containing the actually-obtained revision of Skia and the actually-
-  obtained revision of Chrome.
-
-  skia_revision: revision of Skia to sync. Should be a commit hash or one of
-      (SKIA_REV_DEPS, SKIA_REV_MASTER).
-  chrome_revision: revision of Chrome to sync. Should be a commit hash or one
-      of (CHROME_REV_LKGR, CHROME_REV_MASTER).
-  fetch_target: string; Calls the fetch tool in depot_tools with the specified
-      argument. Default is DEFAULT_FETCH_TARGET.
-  gyp_defines: optional string; GYP_DEFINES to be passed to Gyp.
-  gyp_generators: optional string; which GYP_GENERATORS to use.
-  """
-  # Figure out what revision of Skia we should use.
-  if skia_revision == SKIA_REV_MASTER:
-    output = git_utils.GetRemoteMasterHash(SKIA_GIT_URL)
-    if output:
-      skia_revision = shlex.split(output)[0]
-    if not skia_revision:
-      raise Exception('Could not determine current Skia revision!')
-  skia_revision = str(skia_revision)
-
-  # Use Chrome LKGR, since gclient_utils will force a sync to origin/master.
-  if chrome_revision == CHROME_REV_LKGR:
-    chrome_revision = urllib2.urlopen(CHROME_LKGR_URL).read()
-  elif chrome_revision == CHROME_REV_MASTER:
-    chrome_revision = shlex.split(
-        git_utils.GetRemoteMasterHash(CHROME_GIT_URL))[0]
-
-  # Run "fetch chromium". The initial run is allowed to fail after it does some
-  # work. At the least, we expect the .gclient file to be present when it
-  # finishes.
-  if not os.path.isfile(GCLIENT_FILE):
-    try:
-      shell_utils.run([FETCH, fetch_target, '--nosvn=True'])
-    except shell_utils.CommandFailedException:
-      pass
-  if not os.path.isfile(GCLIENT_FILE):
-    raise Exception('Could not fetch %s!' % fetch_target)
-
-  # Run "gclient sync"
-  revisions = [('src', chrome_revision)]
-  if skia_revision != SKIA_REV_DEPS:
-    revisions.append(('src/third_party/skia', skia_revision))
-
-  try:
-    # Hack: We have to set some GYP_DEFINES, or upstream scripts will complain.
-    os.environ['GYP_DEFINES'] = os.environ.get('GYP_DEFINES') or ''
-    gclient_utils.Sync(
-        revisions=revisions,
-        jobs=1,
-        no_hooks=True,
-        force=True)
-  except shell_utils.CommandFailedException as e:
-    # We frequently see sync failures because a lock file wasn't deleted. In
-    # that case, delete the lock file and try again.
-    pattern = r".*fatal: Unable to create '(\S+)': File exists\..*"
-    match = re.search(pattern, e.output)
-    if not match:
-      raise e
-    file_to_delete = match.groups()[0]
-    try:
-      print 'Attempting to remove %s' % file_to_delete
-      os.remove(file_to_delete)
-    except OSError:
-      # If the file no longer exists, just try again.
-      pass
-    gclient_utils.Sync(
-        revisions=revisions,
-        jobs=1,
-        no_hooks=True,
-        force=True)
-
-  # Find the actually-obtained Chrome revision.
-  os.chdir('src')
-  actual_chrome_rev = shell_utils.run([GIT, 'rev-parse', 'HEAD'],
-                                      log_in_real_time=False).rstrip()
-
-
-  # Find the actually-obtained Skia revision.
-  with misc.ChDir(os.path.join('third_party', 'skia')):
-    actual_skia_rev = shell_utils.run([GIT, 'rev-parse', 'HEAD'],
-                                      log_in_real_time=False).rstrip()
-
-  # Run gclient hooks
-  gclient_utils.RunHooks(gyp_defines=gyp_defines, gyp_generators=gyp_generators)
-
-  # Fix the submodules so that they don't show up in "git status"
-  # This fails on Windows...
-  if os.name != 'nt':
-    submodule_cmd = ('\'git config -f '
-                     '$toplevel/.git/config submodule.$name.ignore all\'')
-    shell_utils.run(' '.join([GIT, 'submodule', 'foreach', submodule_cmd]),
-                    shell=True)
-
-  # Verify that we got the requested revisions of Chrome and Skia.
-  if skia_revision != actual_skia_rev and skia_revision != SKIA_REV_DEPS:
-    raise Exception('Requested Skia revision %s but got %s!' % (
-        repr(skia_revision), repr(actual_skia_rev)))
-  if chrome_revision and chrome_revision != actual_chrome_rev:
-    raise Exception('Requested Chrome revision %s but got %s!' % (
-        repr(chrome_revision), repr(actual_chrome_rev)))
-
-  return (actual_skia_rev, actual_chrome_rev)
-
-
-def Main():
-  parser = OptionParser()
-  parser.add_option('--skia_revision',
-                    help=('Desired revision of Skia. Defaults to the most '
-                          'recent revision.'))
-  parser.add_option('--chrome_revision',
-                    help=('Desired revision of Chrome. Defaults to the most '
-                          'recent revision.'))
-  parser.add_option('--destination',
-                    help=('Where to sync the code. Defaults to the current '
-                          'directory.'),
-                    default=os.curdir)
-  parser.add_option('--fetch_target',
-                    help=('Calls the fetch tool in depot_tools with the '
-                          'specified target.'),
-                    default=DEFAULT_FETCH_TARGET)
-  (options, _) = parser.parse_args()
-  dest_dir = os.path.abspath(options.destination)
-  with misc.ChDir(dest_dir):
-    actual_skia_rev, actual_chrome_rev = Sync(
-        skia_revision=options.skia_revision or SKIA_REV_MASTER,
-        chrome_revision=options.chrome_revision or CHROME_REV_MASTER,
-        fetch_target=options.fetch_target)
-    print 'Chrome synced to %s' % actual_chrome_rev
-    print 'Skia synced to %s' % actual_skia_rev
-
-
-if __name__ == '__main__':
-  sys.exit(Main())