Add a trailing \ when printing filenames for presubmit checks....

presubmit_support.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.
 
 """Enables directory-specific presubmit checks to run at upload and/or commit.
 """
 
 __version__ = '1.3.4'
 
@@ skipping 80 matching lines @@
       """Writes this result to the output stream.
 
       Args:
         output_stream: Where to write
 
       Returns:
         True if execution may continue, False otherwise.
       """
       output_stream.write(self._message)
       output_stream.write('\n')
-      for item in self._items:
-        output_stream.write('  %s\n' % str(item))
+      if len(self._items) > 0:
+        output_stream.write('  ' + ' \\\n  '.join(map(str, self._items)) + '\n')
       if self._long_text:
         output_stream.write('\n***************\n%s\n***************\n' %
                             self._long_text)
 
       if self.ShouldPrompt() and may_prompt:
         if not PromptYesNo(input_stream, output_stream,
                            'Are you sure you want to continue? (y/N): '):
           return False
 
       return not self.IsFatal()
@@ skipping 935 matching lines @@
                                options.commit,
                                options.verbose,
                                sys.stdout,
                                sys.stdin,
                                options.default_presubmit,
                                options.may_prompt)
 
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))