Add automatic auto-flushing stdout.

gclient.py

 #!/usr/bin/python
 # Copyright (c) 2010 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 1179 matching lines @@
       level = None
       if options.verbose == 2:
         level = logging.INFO
       elif options.verbose > 2:
         level = logging.DEBUG
       logging.basicConfig(level=level,
           format='%(module)s(%(lineno)d) %(funcName)s:%(message)s')
       options.entries_filename = options.config_filename + '_entries'
       if options.jobs < 1:
         parser.error('--jobs must be 1 or higher')
-      # Useful for --jobs.
-      options.stdout = sys.stdout
+      # Always autoflush so buildbot doesn't kill us during lengthy operations.
+      options.stdout = gclient_utils.StdoutAutoFlush(sys.stdout)
 
       # These hacks need to die.
       if not hasattr(options, 'revisions'):
         # GClient.RunOnDeps expects it even if not applicable.
         options.revisions = []
       if not hasattr(options, 'head'):
         options.head = None
       if not hasattr(options, 'nohooks'):
         options.nohooks = True
       if not hasattr(options, 'deps_os'):
@@ skipping 17 matching lines @@
     return CMDhelp(parser, argv)
   except gclient_utils.Error, e:
     print >> sys.stderr, 'Error: %s' % str(e)
     return 1
 
 
 if '__main__' == __name__:
   sys.exit(Main(sys.argv[1:]))
 
 # vim: ts=2:sw=2:tw=80:et: