Add a prefix to temporary file to enter CL description.

gclient_utils.py

 # 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.
 
 """Generic utils."""
 
 import codecs
 import logging
 import os
 import pipes
@@ skipping 788 matching lines @@
   if not editor:
     if sys.platform.startswith('win'):
       editor = 'notepad'
     else:
       editor = 'vim'
   return editor
 
 
 def RunEditor(content, git, git_editor=None):
   """Opens up the default editor in the system to get the CL description."""
-  file_handle, filename = tempfile.mkstemp(text=True)
+  file_handle, filename = tempfile.mkstemp(text=True, prefix='cl_description')
   # Make sure CRLF is handled properly by requiring none.
   if '\r' in content:
     print >> sys.stderr, (
         '!! Please remove \\r from your change description !!')
   fileobj = os.fdopen(file_handle, 'w')
   # Still remove \r if present.
   fileobj.write(re.sub('\r?\n', '\n', content))
   fileobj.close()
 
   try:
@@ skipping 57 matching lines @@
 
   Python on OSX 10.6 raises a NotImplementedError exception.
   """
   try:
     import multiprocessing
     return multiprocessing.cpu_count()
   except:  # pylint: disable=W0702
     # Mac OS 10.6 only
     # pylint: disable=E1101
     return int(os.sysconf('SC_NPROCESSORS_ONLN'))