Enforce python 2.6 or later.

gclient.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 """Meta checkout manager supporting both Subversion and GIT.
 
 Files
   .gclient      : Current client configuration, written by 'config' command.
                   Format is a Python script defining 'solutions', a list whose
@@ skipping 31 matching lines @@
                it will be removed from the list and the list will be extended
                by the list of matching files.
 
   Example:
     hooks = [
       { "pattern": "\\.(gif|jpe?g|pr0n|png)$",
         "action":  ["python", "image_indexer.py", "--all"]},
     ]
 """
 
-__version__ = "0.6.3"
+__version__ = "0.6.4"
 
 import copy
 import logging
 import optparse
 import os
 import posixpath
 import pprint
 import re
 import sys
 import urlparse
@@ skipping 1428 matching lines @@
     return (options, args)
   parser.parse_args = Parse
   # We don't want wordwrapping in epilog (usually examples)
   parser.format_epilog = lambda _: parser.epilog or ''
   return parser
 
 
 def Main(argv):
   """Doesn't parse the arguments here, just find the right subcommand to
   execute."""
-  if sys.hexversion < 0x02050000:
+  if sys.hexversion < 0x02060000:
     print >> sys.stderr, (
-        '\nYour python version is unsupported, please upgrade.\n')
+        '\nYour python version %s is unsupported, please upgrade.\n' %
+        sys.version.split(' ', 1)[0])
+    return 2
   colorama.init()
   try:
     # Make stdout auto-flush so buildbot doesn't kill us during lengthy
     # operations. Python as a strong tendency to buffer sys.stdout.
     sys.stdout = gclient_utils.MakeFileAutoFlush(sys.stdout)
     # Make stdout annotated with the thread ids.
     sys.stdout = gclient_utils.MakeFileAnnotated(sys.stdout)
     # Do it late so all commands are listed.
     # Unused variable 'usage'
     # pylint: disable=W0612
@@ skipping 18 matching lines @@
   except (gclient_utils.Error, subprocess2.CalledProcessError), e:
     print >> sys.stderr, 'Error: %s' % str(e)
     return 1
 
 
 if '__main__' == __name__:
   fix_encoding.fix_encoding()
   sys.exit(Main(sys.argv[1:]))
 
 # vim: ts=2:sw=2:tw=80:et: