Something

block iadmin.install
{
	es_setinfo myvar 0
	iadmin isinstalled myvar restartscript
	if (server_var(myvar) < 1.0) do
	{
		iadmin install restartscript 1.0
		// this automatically adds to the "root" role
		iadmin createperm "restart_server"
		// add to the norcon default group, too
		iadmin groupperm add "norcon" "restart_server"
	}
}

block load
{
}