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	diff --git a/examples/clone.py b/examples/clone.py
	index c14fa9f9..f91c55df 100644
	--- a/examples/clone.py
	+++ b/examples/clone.py
	@@ -1,18 +1,34 @@
	-#!/usr/bin/python
	-# This trivial script demonstrates how to clone a remote repository.
	-#
	-# Example usage:
	-# python examples/clone.py git://github.com/jelmer/dulwich dulwich-clone
	+"""Clone.
	+
	+This trivial script demonstrates how to clone or lock a remote repository.
	+
	+Example usage:
	+ 1. python examples/clone.py git://github.com/jelmer/dulwich
	+ 2. python examples/clone.py git://github.com/jelmer/dulwich.git dulwich
	+"""
	+

	import sys
	+
	+from os.path import basename
	+
	from getopt import getopt
	+
	from dulwich import porcelain

	-opts, args = getopt(sys.argv, "", [])
	-opts = dict(opts)
	+
	+_, args = getopt(sys.argv, "", [])
	+

	if len(args) < 2:
	print("usage: %s host:path path" % (args[0], ))
	sys.exit(1)

	-porcelain.clone(args[1], args[2])
	+elif len(args) < 3:
	+ target_path = basename(args[1].split(":")[-1])
	+ if target_path[-4:] == ".git":
	+ target_path = target_path[:-4]
	+else:
	+ target_path = args[2]
	+
	+porcelain.clone(args[1], target_path)