Apply mirroring delay to last iteration

cmd/runmqserver/mirror.go

@@ -171,6 +171,7 @@ func mirrorLog(ctx context.Context, wg *sync.WaitGroup, path string, fromStart b
 				// Don't seek this time, because we know it's a new file
 				mirrorAvailableMessages(f, mf)
 			}
+
 			select {
 			case <-ctx.Done():
 				log.Debugf("Context cancelled for mirroring %v", path)
@@ -180,9 +181,9 @@ func mirrorLog(ctx context.Context, wg *sync.WaitGroup, path string, fromStart b
 				}
 				// Set a flag, to allow one more time through the loop
 				closing = true
-			default:
-				time.Sleep(500 * time.Millisecond)
 			}
+
+			time.Sleep(500 * time.Millisecond)
 		}
 	}()
 	return errorChannel, nil