editor build change to suppress a 'restore windows' dialog on the mac buildbots

tools/bots/editor.py

 #!/usr/bin/python
 # Copyright (c) 2013, 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.
 
 import os
 import re
 import sys
 
 import bot
@@ skipping 104 matching lines @@
   if sys.platform == 'win32':
     # Our windows bots pull in only a 32 bit JVM.
     test_architectures = ['ia32']
 
   for arch in architectures:
     with bot.BuildStep('Build Editor %s' % arch):
       args = [sys.executable, build_py,
               '-mrelease', '--arch=%s' % arch, 'editor', 'create_sdk']
       RunProcess(args)
 
+  # before we run the editor, suppress any 'restore windows' dialogs
+  if sys.platform == 'darwin':
+    bot.RunProcess(['defaults', 'write', 'org.eclipse.eclipse.savedState',
+                    'NSQuitAlwaysKeepsWindows', '-bool', 'false'])
+
   for arch in test_architectures:
     editor_executable = GetEditorExecutable('Release', arch)
     with bot.BuildStep('Test Editor %s' % arch):
       with utils.TempDir('eclipse') as temp_dir:
         args = [editor_executable, '--test', '--auto-exit', '-data', temp_dir]
         RunProcess(args)
 
   # TODO: Permissions need to be clarified
   for arch in test_architectures:
     with bot.BuildStep('Build Installer %s' % arch):
       if sys.platform == 'darwin':
         CreateAndUploadMacInstaller(arch)
       else:
         print ("We currently don't build installers for sys.platform=%s"
                 % sys.platform)
   return 0
 
 if __name__ == '__main__':
   try:
     sys.exit(main())
   except OSError as e:
     sys.exit(e.errno)