PKGBUILDs/community/percona-server/mysqld-post.sh

#!/bin/sh

while true; do
	response=$(/usr/bin/mysqladmin -uUNKNOWN_USER ping 2>&1) && break
	echo "$response" | grep -q "mysqld is alive" && break
	echo "$response" | grep -q "Access denied for user" && break
	sleep 1
done