process opts on multiple init calls

service.go

@@ -60,6 +60,10 @@ func (s *service) Init(opts ...Option) {
 	// so we can call cmd.Init once.
 	select {
 	case <-s.init:
+		// only process options
+		for _, o := range opts {
+			o(&s.opts)
+		}
 	default:
 		// close init
 		close(s.init)