config/default: watcher send changes only on non nil

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2021-08-04 12:25:29 +03:00 · 2021-08-04 12:25:29 +03:00 · efe215cd60
commit efe215cd60
parent b4f332bf0d
1 changed files with 4 additions and 2 deletions
--- a/config/default.go
+++ b/config/default.go
@ -338,11 +338,13 @@ func (w *defaultWatcher) run() {
 					delete(dstmp, sk)
 				}
 			}
+			if len(dstmp) > 0 {
 				w.vchan <- dstmp
 				src = dst
 			}
 		}
 	}
+}

 func (w *defaultWatcher) Next() (map[string]interface{}, error) {
 	select {