From 6e12a3a490fe5bc4f57fccf51a9fbdc9d1675ca5 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Mon, 11 Jan 2021 02:08:26 -0800
Subject: [PATCH] refactoring

---
 weed/command/watch.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/weed/command/watch.go b/weed/command/watch.go
index 431a326d7..8aad22019 100644
--- a/weed/command/watch.go
+++ b/weed/command/watch.go
@@ -76,8 +76,9 @@ func runWatch(cmd *Command, args []string) bool {
 		return false
 	}
 
-	eachEntryFunc := func(resp *filer_pb.SubscribeMetadataResponse) {
+	eachEntryFunc := func(resp *filer_pb.SubscribeMetadataResponse) error {
 		fmt.Printf("dir:%s %+v\n", resp.Directory, resp.EventNotification)
+		return nil
 	}
 
 	watchErr := pb.WithFilerClient(*watchFiler, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
@@ -105,7 +106,9 @@ func runWatch(cmd *Command, args []string) bool {
 			if !shouldPrint(resp) {
 				continue
 			}
-			eachEntryFunc(resp)
+			if err = eachEntryFunc(resp); err != nil {
+				return err
+			}
 		}
 
 	})