-sudo test -f /etc/nginx/x509.d/\"$site\"/key.pem ||
-printf '%s\n' "$(tput rev)run before: remote/runit-configure nginx -- $site$(tput sggr0)" && exit 1
+hint="run before: remote/runit-configure nginx -- $site"
+assert "sudo test -f /etc/nginx/x509.d/\"$site\"/key.pem" hint