git_remote_helpers / git / __init__.pyon commit format-patch: improve head calculation for cover-letter (80d35ca)
   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)