command not foundと相対パスcdを弾くzshaddhistory

.zprofile.sh

function zshaddhistory {
	local cmdline cmd dir
	cmdline=( ${=1} )
	if [[ ${cmdline[1]} =~ '[`(]' ]]; then
		return 0 # do not want to exec something on expansion
	else
		cmd=${(e)~cmdline[1]}
		if [[ ${cmd} == cd ]]; then
			if [[ ${cmdline[2]} =~ '[`(]' ]]; then
				return 0 # do not want to exec something on expansion
			else
				dir=${(e)~cmdline[2]}
				[[ ${dir[1]} == - || ( ${dir[1]} == / && -d ${dir} ) ]]
			fi
		else
			[[ ${cmd} =~ = ]] || which ${cmd} >& /dev/null || [[ ${cmd[1]} == / && -d ${cmd} ]]
		fi
	fi
}