Fix the go.sh script for a completely new repo.

tools/dom/scripts/dartdomgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This is the entry point to create Dart APIs from the IDL database."""
 
 import css_code_generator
 import os
 import sys
@@ skipping 206 matching lines @@
     metadata.Flush()
 
   monitored.FinishMonitoring(dart2js_output_dir, _logger)
 
 def GenerateSingleFile(library_path, output_dir, generated_output_dir=None):
   library_dir = os.path.dirname(library_path)
   library_filename = os.path.basename(library_path)
   copy_dart_script = os.path.relpath('../../copy_dart.py',
       library_dir)
   output_dir = os.path.relpath(output_dir, library_dir)
+  if not os.path.exists(library_dir):
+      os.makedirs(library_dir)
   command = ' '.join(['cd', library_dir, ';',
                       copy_dart_script, output_dir, library_filename])
   subprocess.call([command], shell=True)
   prebuilt_dartfmt = os.path.join(utils.CheckedInSdkPath(), 'bin', 'dartfmt')
   sdk_file = os.path.join(library_dir, output_dir, library_filename)
   formatCommand = ' '.join([prebuilt_dartfmt, '-w', sdk_file])
   subprocess.call([formatCommand], shell=True)
 
 def UpdateCssProperties():
   """Regenerate the CssStyleDeclaration template file with the current CSS
@@ skipping 59 matching lines @@
                     help='Do not generate the sdk/lib/js/cached_patches.dart file')
 
   (options, args) = parser.parse_args()
 
   current_dir = os.path.dirname(__file__)
   database_dir = os.path.join(current_dir, '..', 'database')
   logging.config.fileConfig(os.path.join(current_dir, 'logging.conf'))
   systems = options.systems.split(',')
 
   output_dir = options.output_dir or os.path.join(
-      current_dir, '..', '..', utils.GetBuildDir(utils.GuessOS()),
+      current_dir, '..', '..', '..', utils.GetBuildDir(utils.GuessOS()),
       'generated')
 
   dart2js_output_dir = None
   if 'htmldart2js' in systems:
     dart2js_output_dir = os.path.join(output_dir, 'dart2js')
   dartium_output_dir = None
   if 'htmldartium' in systems:
     dartium_output_dir = os.path.join(output_dir, 'dartium')
   blink_output_dir = None
   if '_blink' in systems:
@@ skipping 54 matching lines @@
         os.path.join('..', '..', '..', 'sdk', 'lib', '_blink', 'dartium'))
 
   print '\nGenerating single file %s seconds' % round(time.time() - file_generation_start_time, 2)
 
   end_time = time.time()
 
   print '\nDone (dartdomgenerator) %s seconds' % round(end_time - start_time, 2)
 
 if __name__ == '__main__':
   sys.exit(main())