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

editor/build/build.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012, 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 glob
 import gsutil
 import hashlib
 import imp
@@ skipping 739 matching lines @@
 def RunEditorTests(buildout, buildos):
   StartBuildStep('run_tests')
 
   for editorArchive in _GetTestableRcpArchives(buildout):
     with utils.TempDir('editor_') as tempDir:
       print 'Running tests for %s...' % editorArchive
 
       zipper = ziputils.ZipUtil(join(buildout, editorArchive), buildos)
       zipper.UnZip(tempDir)
 
+      # before we run the editor, suppress any 'restore windows' dialogs
+      if sys.platform == 'darwin':
+        args = ['defaults', 'write', 'org.eclipse.eclipse.savedState',
+                'NSQuitAlwaysKeepsWindows', '-bool', 'false']
+        subprocess.call(args, shell=IsWindows())
+
       editorExecutable = GetEditorExecutable(join(tempDir, 'dart'))
       args = [editorExecutable, '--test', '--auto-exit',
               '-data', join(tempDir, 'workspace')]
 
       # Issue 12638. Enable this as soon as we can run editor tests in xvfb
       # again.
       ##if sys.platform == 'linux2':
       ##  args = ['xvfb-run', '-a'] + args
 
       # this can hang if a 32 bit jvm is not available on windows...
@@ skipping 305 matching lines @@
   """delete the given file - do not re-throw any exceptions that occur"""
   if os.path.exists(f):
     try:
       os.remove(f)
     except OSError:
       print 'error deleting %s' % f
 
 
 if __name__ == '__main__':
   sys.exit(main())