git difftool 三方比较

${MYPATH} bash 环境变量

diff_cmd () {
	#"$merge_tool_path" "$LOCAL" "$REMOTE"
	if [ -z ${MYPATH} ]
	then
		"$merge_tool_path" "$LOCAL" "$REMOTE"
	else
		echo "local  ### $LOCAL"
		echo "remote ### $REMOTE"
		read -p "Enter file name:[${REMOTE}]" myfile
		if [ -z $myfile ]
		then
			myfile=${REMOTE}
		fi
		echo "MyPath is [${MYPATH}/${myfile}]"
		"$merge_tool_path" "$LOCAL" "${MYPATH}/${myfile}" "$REMOTE"
	fi
}