git_remote_helpers / git / __init__.pyon commit submodule update: allow custom command to update submodule working tree (6cb5728)
   1import sys
   2if sys.hexversion < 0x02040000:
   3    # The limiter is the subprocess module
   4    sys.stderr.write("git_remote_helpers: requires Python 2.4 or later.\n")
   5    sys.exit(1)