only try once

Signed-off-by: Jeff Carr <jcarr@wit.com>

Makefile

@@ -1,3 +1,6 @@
+build:
+	go build
+
 farm001:
 	./go-nsupdate \
 		--tsig-algorithm=hmac-sha512 \

main.go

@@ -91,8 +91,8 @@ func main() {
 	log.Printf("wait...")
 
 	if err := update.Done(); err != nil {
-		log.Printf("update done: %v", err)
+		log.Printf("update failed: %v", err)
 	} else {
-		log.Printf("update done")
+		log.Printf("update worked")
 	}
 }

update.go

@@ -228,6 +228,8 @@ func (u *Update) run() {
 			retryTimer.Reset(retryTimeout)
 
 			log.Printf("update retry in %v...", retryTimeout)
+			log.Printf("only try once")
+			return
 		}
 	}
 }