File: guilt-diff

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guilt 0.35-1.1
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#!/bin/sh
#
# Copyright (C) Josef 'Jeff' Sipek, 2007-2011
#

USAGE="[-z] [<path>...]"
if [ -z "$GUILT_VERSION" ]; then
	echo "Invoking `basename $0` directly is no longer supported." >&2
	exit 1
fi

_main() {

while [ $# -ne 0 ]; do
	case "$1" in
	-z)
		working_tree=t ;;
	-* | --*)
		usage ;;

	*)
		break ;;
	esac
	shift
done

PREV=HEAD^
[ -z "`get_top`" ] && PREV=
[ ! -z "$working_tree" ] && PREV=

git diff --binary $PREV -- "$@"

}