anchor.diff:          serviceConfig = {
             Type = if hasNotify then "notify" else "simple";
             RuntimeDirectory = "mysqld";
  -          ExecStart = "${mysql}/bin/mysqld --defaults-extra-file=${myCnf} ${mysqldOptions}";
  +          ExecStart = "${mysql}/bin/mysqld --defaults-file=/etc/my.cnf ${mysqldOptions}";
           };
   
           postStart = ''
  
positive.code:             if ! test -e ${cfg.dataDir}/mysql; then
                  mkdir -m 0700 -p ${cfg.dataDir}
                  chown -R ${cfg.user} ${cfg.dataDir}
                  ${mysql}/bin/mysql_install_db ${installOptions}
                  touch /tmp/mysql_init
              fi
  
  
negative.code:   # (earlier versions and MariaDB do this by default).
    installOptions =
      "${mysqldAndInstallOptions} ${lib.optionalString isMysqlAtLeast57 "--insecure"}";
  
  in
  
  