Add support for executables in git-svn patches applied on svn.

tests/patch_test.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 """Unit tests for patch.py."""
 
 import os
 import sys
 import unittest
@@ skipping 375 matching lines @@
         '+++ b/wtf2\n'
         '@@ -1,4 +1,4 @@\n'
         '-#!/usr/bin/env python\n'
         '+#!/usr/bin/env python1.3\n'
         ' # Copyright (c) 2010 The Chromium Authors. All rights reserved.\n'
         ' # blah blah blah as\n'
         ' # found in the LICENSE file.\n')
     p = patch.FilePatchDiff('wtf2', diff, [])
     self.assertTrue(p)
 
+  def testGitExe(self):
+    diff = (
+        'diff --git a/natsort_test.py b/natsort_test.py\n'
+        'new file mode 100755\n'
+        '--- /dev/null\n'
+        '+++ b/natsort_test.py\n'
+        '@@ -0,0 +1,1 @@\n'
+        '+#!/usr/bin/env python\n')
+    self.assertEquals(
+        [('svn:executable', '*')],
+        patch.FilePatchDiff('natsort_test.py', diff, []).svn_properties)
+
 
 if __name__ == '__main__':
   unittest.main()