The Tor Browser / file revision

 #!/usr/bin/env python

 # 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.

 """Windows can't run .sh files, so this is a small python wrapper around

 update.sh.

 """

 import os

 import subprocess

 import sys

 def main():

   if sys.platform in ['win32', 'cygwin']:

     return 0

   # This script is called by gclient. gclient opens its hooks subprocesses with

   # (stdout=subprocess.PIPE, stderr=subprocess.STDOUT) and then does custom

   # output processing that breaks printing '\r' characters for single-line

   # updating status messages as printed by curl and wget.

   # Work around this by setting stderr of the update.sh process to stdin (!):

   # gclient doesn't redirect stdin, and while stdin itself is read-only, a

   # dup()ed sys.stdin is writable, try

   #   fd2 = os.dup(sys.stdin.fileno()); os.write(fd2, 'hi')

   # TODO: Fix gclient instead, http://crbug.com/95350

   return subprocess.call(

       [os.path.join(os.path.dirname(__file__), 'update.sh')] +  sys.argv[1:],

       stderr=os.fdopen(os.dup(sys.stdin.fileno())))

 if __name__ == '__main__':

   sys.exit(main())