Use the --non-recursive flag when committing.

gcl.py

 #!/usr/bin/python
 # Copyright (c) 2006-2009 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.
 #
 # Wrapper script around Rietveld's upload.py that groups files into
 # changelists.
 
 import getpass
 import os
@@ skipping 861 matching lines @@
       return
   else:
     args.remove("--no_presubmit")
 
   no_tree_status_check = ("--force" in args or "-f" in args)
   if not no_tree_status_check and not IsTreeOpen():
     print ("Error: The tree is closed. Try again later or use --force to force"
            " the commit. May the --force be with you.")
     return
 
-  commit_cmd = ["svn", "commit"]
+  commit_cmd = ["svn", "commit", "--non-recursive"]
   filename = ''
   if change_info.issue:
     # Get the latest description from Rietveld.
     change_info.description = GetIssueDescription(change_info.issue)
 
   commit_message = change_info.description.replace('\r\n', '\n')
   if change_info.issue:
     commit_message += ('\nReview URL: http://%s/%s' %
                        (GetCodeReviewSetting("CODE_REVIEW_SERVER"),
                         change_info.issue))
@@ skipping 245 matching lines @@
     # the files. This allows commands such as 'gcl diff xxx' to work.
     args =["svn", command]
     root = GetRepositoryRoot()
     args.extend([os.path.join(root, x) for x in change_info.FileList()])
     RunShell(args, True)
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(main())