Ignore dotfiles when copying test data.

build/copy_test_data_ios.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Copies test data files or directories into a given output directory."""
 
 import optparse
 import os
 import shutil
 import sys
 
 class WrongNumberOfArgumentsException(Exception):
   pass
 
 def ListFilesForPath(path):
   """Returns a list of all the files under a given path."""
   output = []
+  # Ignore dotfiles and dot directories.
+  # TODO(rohitrao): This will fail to exclude cases where the initial argument
+  # is a relative path that starts with a dot.
+  if os.path.basename(path).startswith('.'):
+    return output
+
   # Files get returned without modification.
   if not os.path.isdir(path):
     output.append(path)
     return output
 
   # Directories get recursively expanded.
   contents = os.listdir(path)
   for item in contents:
     full_path = os.path.join(path, item)
     output.extend(ListFilesForPath(full_path))
@@ skipping 60 matching lines @@
     result = DoMain(argv[1:])
   except WrongNumberOfArgumentsException, e:
     print >>sys.stderr, e
     return 1
   if result:
     print result
   return 0
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))