Make short circuit "not outdated" less complicated

letsencrypt-renew.sh

@@ -49,13 +49,12 @@ for inifile in "${LECONFIGDIR}"/cli-*.ini; do
 	sleep $(expr $RANDOM % 600)
 
 	# Check validity of cert for domain
-	openssl x509 -checkend $(( 21 * 86400 )) -in "${LECONFIGDIR}/live/${domain}/cert.pem" > /dev/null
+	openssl x509 -checkend $(( 21 * 86400 )) -in "${LECONFIGDIR}/live/${domain}/cert.pem" > /dev/null && continue
 
-	if [ $? != 0 ]; then
 	# run let's encrypt
 	letsencrypt certonly -c "${inifile}"
+
 	# import certificate
 	uberspace-add-certificate -k "${LECONFIGDIR}/live/${domain}/privkey.pem" -c "${LECONFIGDIR}/live/${domain}/cert.pem"
-	fi
 
 done