DEPS: Sync Git subtree mirrors instead of symlinking into chromium/src

tools-webrtc/autoroller/roll_deps.py

 #!/usr/bin/env python
 # Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 """Script to automatically roll dependencies in the WebRTC DEPS file."""
 
 import argparse
 import base64
 import collections
 import logging
 import os
 import re
 import subprocess
 import sys
 import urllib
 
 
 # Skip these dependencies (list without solution name prefix).
 DONT_AUTOROLL_THESE = [
   'src/third_party/gflags/src',
-  'src/third_party/winsdk_samples/src',
+  'src/third_party/winsdk_samples',
 ]
 
 WEBRTC_URL = 'https://chromium.googlesource.com/external/webrtc'
 CHROMIUM_SRC_URL = 'https://chromium.googlesource.com/chromium/src'
 CHROMIUM_COMMIT_TEMPLATE = CHROMIUM_SRC_URL + '/+/%s'
 CHROMIUM_LOG_TEMPLATE = CHROMIUM_SRC_URL + '/+log/%s'
 CHROMIUM_FILE_TEMPLATE = CHROMIUM_SRC_URL + '/+/%s/%s'
 
 COMMIT_POSITION_RE = re.compile('^Cr-Commit-Position: .*#([0-9]+).*$')
 CLANG_REVISION_RE = re.compile(r'^CLANG_REVISION = \'(\d+)\'$')
 ROLL_BRANCH_NAME = 'roll_chromium_revision'
 
 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
 CHECKOUT_SRC_DIR = os.path.realpath(os.path.join(SCRIPT_DIR, os.pardir,
                                                  os.pardir))
 CHECKOUT_ROOT_DIR = os.path.realpath(os.path.join(CHECKOUT_SRC_DIR, os.pardir))
-CHROMIUM_CHECKOUT_SRC_DIR = os.path.join(CHECKOUT_SRC_DIR, 'chromium', 'src')
 
 sys.path.append(CHECKOUT_SRC_DIR)
 import setup_links
 
 sys.path.append(os.path.join(CHECKOUT_SRC_DIR, 'build'))
 import find_depot_tools
 find_depot_tools.add_depot_tools_to_path()
 from gclient import GClientKeywords
 
 CLANG_UPDATE_SCRIPT_URL_PATH = 'tools/clang/scripts/update.py'
-CLANG_UPDATE_SCRIPT_LOCAL_PATH = os.path.join('tools', 'clang', 'scripts',
-                                              'update.py')
+CLANG_UPDATE_SCRIPT_LOCAL_PATH = os.path.join(CHECKOUT_SRC_DIR, 'tools',
+                                              'clang', 'scripts', 'update.py')
 
 DepsEntry = collections.namedtuple('DepsEntry', 'path url revision')
 ChangedDep = collections.namedtuple('ChangedDep',
                                     'path url current_rev new_rev')
 
 class RollError(Exception):
   pass
 
 
 def ParseDepsDict(deps_content):
@@ skipping 224 matching lines @@
 
 
 def CalculateChangedClang(new_cr_rev):
   def GetClangRev(lines):
     for line in lines:
       match = CLANG_REVISION_RE.match(line)
       if match:
         return match.group(1)
     raise RollError('Could not parse Clang revision!')
 
-  chromium_src_path = os.path.join(CHROMIUM_CHECKOUT_SRC_DIR,
-                                   CLANG_UPDATE_SCRIPT_LOCAL_PATH)
-  with open(chromium_src_path, 'rb') as f:
+  with open(CLANG_UPDATE_SCRIPT_LOCAL_PATH, 'rb') as f:
     current_lines = f.readlines()
   current_rev = GetClangRev(current_lines)
 
   new_clang_update_py = ReadRemoteCrFile(CLANG_UPDATE_SCRIPT_URL_PATH,
                                              new_cr_rev).splitlines()
   new_rev = GetClangRev(new_clang_update_py)
   return ChangedDep(CLANG_UPDATE_SCRIPT_LOCAL_PATH, None, current_rev, new_rev)
 
 
 def GenerateCommitMessage(current_cr_rev, new_cr_rev, current_commit_pos,
@@ skipping 46 matching lines @@
 
   # Update the chromium_revision variable.
   with open(deps_filename, 'rb') as deps_file:
     deps_content = deps_file.read()
   deps_content = deps_content.replace(old_cr_revision, new_cr_revision)
   with open(deps_filename, 'wb') as deps_file:
     deps_file.write(deps_content)
 
   # Update each individual DEPS entry.
   for dep in changed_deps:
+    local_dep_dir = os.path.join(CHECKOUT_ROOT_DIR, dep.path)
+    if not os.path.isdir(local_dep_dir):
+      raise RollError(
+          'Cannot find local directory %s. Either run\n'
+          'gclient sync --deps=all\n'
+          'or make sure the .gclient file for your solution contains all '
+          'platforms in the target_os list, i.e.\n'
+          'target_os = ["android", "unix", "mac", "ios", "win"];\n'
+          'Then run "gclient sync" again.' % local_dep_dir)
     _, stderr = _RunCommand(
       ['roll-dep-svn', '--no-verify-revision', dep.path, dep.new_rev],
       working_dir=CHECKOUT_SRC_DIR, ignore_exit_code=True)
     if stderr:
       logging.warning('roll-dep-svn: %s', stderr)
 
 
 def _IsTreeClean():
   stdout, _ = _RunCommand(['git', 'status', '--porcelain'])
   if len(stdout) == 0:
@@ skipping 122 matching lines @@
   _CreateRollBranch(opts.dry_run)
   UpdateDepsFile(deps_filename, current_cr_rev, new_cr_rev, changed_deps)
   _LocalCommit(commit_msg, opts.dry_run)
   _UploadCL(opts.dry_run, opts.rietveld_email)
   _SendToCQ(opts.dry_run, opts.skip_cq)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())