depot_tools: add more hacks to properly find build_internal

recipe_modules/bot_update/resources/bot_update.py

 #!/usr/bin/env python
 # 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.
 
 # TODO(hinoka): Use logging.
 
 import cStringIO
 import codecs
 import collections
@@ skipping 37 matching lines @@
 CURRENT_DIR = path.abspath(os.getcwd())
 BUILDER_DIR = path.dirname(CURRENT_DIR)
 SLAVE_DIR = path.dirname(BUILDER_DIR)
 
 # Relative to this script's filesystem path.
 THIS_DIR = path.dirname(path.abspath(__file__))
 SCRIPTS_DIR = check_dir(
     'scripts', [
         path.dirname(THIS_DIR),
         path.join(SLAVE_DIR, '..', 'scripts'),
+        path.join(THIS_DIR,  # resources
+                  '..',      # bot_update
+                  '..',      # recipe_modules
+                  '..',      # depot_tools
+                  '..',      # .recipe_deps
+                  '..',      # slave
+                  '..',      # scripts
+                  '..',      # build_internal
+                  '..',      # ROOT_DIR
+                  'build',
+                  'scripts'),
+        path.join(SLAVE_DIR, '..', 'build', 'scripts'),
     ], default=path.dirname(THIS_DIR))
 BUILD_DIR = path.dirname(SCRIPTS_DIR)
 ROOT_DIR = path.dirname(BUILD_DIR)
 
 DEPOT_TOOLS_DIR = path.abspath(path.join(THIS_DIR, '..', '..', '..'))
 
 BUILD_INTERNAL_DIR = check_dir(
     'build_internal', [
         path.join(ROOT_DIR, 'build_internal'),
         path.join(ROOT_DIR,      # .recipe_deps
@@ skipping 1664 matching lines @@
   except Exception:
     # Unexpected failure.
     emit_flag(options.flag_file)
     raise
   else:
     emit_flag(options.flag_file)
 
 
 if __name__ == '__main__':
   sys.exit(main())