Recursive copy with gsutil does only work work if more then one object is inside the source directo…

tools/bots/bot_utils.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 hashlib
 import imp
 import os
 import subprocess
@@ skipping 93 matching lines @@
       self.editor_installer_zipfilename(system, arch, extension)])
 
   def sdk_zipfilepath(self, revision, system, arch, mode):
     return '/'.join([self.sdk_directory(revision),
       self.sdk_zipfilename(system, arch, mode)])
 
   def dartium_variant_zipfilepath(self, revision, name, system, arch, mode):
     return '/'.join([self.dartium_directory(revision),
       self.dartium_variant_zipfilename(name, system, arch, mode)])
 
+  def apidocs_zipfilepath(self, revision):
+    return '/'.join([self.apidocs_directory(revision),
+      self.apidocs_zipfilename()])
+
   # Functions for querying gs:// directories
 
   def dartium_directory(self, revision):
     return self._variant_directory('dartium', revision)
 
   def sdk_directory(self, revision):
     return self._variant_directory('sdk', revision)
 
   def editor_directory(self, revision):
     return self._variant_directory('editor', revision)
@@ skipping 131 matching lines @@
   if not mangled_filename:
     mangled_filename = os.path.basename(filename)
 
   checksum = CalculateChecksum(filename)
   checksum_filename = '%s.md5sum' % filename
 
   with open(checksum_filename, 'w') as f:
     f.write('%s *%s' % (checksum, mangled_filename))
 
   return checksum_filename