}
function versionDifferenceRevert {
	local firstDifferentFileName
	if [ -z "${@}" ]; then
		firstDifferentFileName="$(firstDifferentFile)"
	else
			firstDifferentFileName="${@}"
	fi
	local firstDiffBakFile="$(dirname "${firstDifferentFileName}")/$(date +"%Y.%j.%H%M%S")_$(basename ${firstDifferentFileName}).bak"
	lt "Resetting changes to '${firstDifferentFileName}':"
	v diff ${firstDifferentFileName}
	cp "${firstDifferentFileName}" "${firstDiffBakFile}"
	lt
	v restore "${firstDifferentFileName}"
	lt
	lt "Change reset, backup saved in '${firstDiffBakFile}'"
}
function vdr {
	versionDifferenceRevert "${@}"

 	local firstDiff="$(firstDifferentFile)"

	local firstDiff
	if [ -z "${@}" ]; then
		firstDiff="$(firstDifferentFile)"
	else
		firstDiff="${@}"
	fi

 	if [ -n "${firstDiff}" ]; then
 		echo "diff of file at '${firstDiff}':"
 		echo
 		v diff "${firstDiff}"
 	else
 		echo "Nothing to diff!"
 	fi

	if [ -n "${firstDiff}" ]; then
		echo "diff of file at '${firstDiff}':"
		echo
		v diff "${firstDiff}"
	else
		echo "Nothing to diff!"
	fi

 	local filePath="$(firstDifferentFile)"

	local filePath="$(firstDifferentFile)"