#!/bin/zsh
setopt no_unset
set -x
disp=${1#:}
shift

if [[ ! -S /tmp/.X11-unix/X$disp ]]; then
	printf '%s\n' >&2 "${0:h}: fatal: incorrect display ${(qqq)disp}, X11 socket not found"
	exit 111
fi

export DISPLAY=:$disp
export XAUTHORITY=/run/Xauthority.${disp}

exec "$@"