From 78d878e253985ffd9fc5e2258de3fa41be49def9 Mon Sep 17 00:00:00 2001
From: chenminjian <727180553@qq.com>
Date: Mon, 29 Oct 2018 15:49:14 +0800
Subject: [PATCH] fix(cmd/gc): Run func does not return error when Emit func
 returns error

License: MIT
Signed-off-by: chenminjian <727180553@qq.com>
---
 core/commands/repo.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/commands/repo.go b/core/commands/repo.go
index 346b86183..ecca547f2 100644
--- a/core/commands/repo.go
+++ b/core/commands/repo.go
@@ -83,10 +83,14 @@ order to reclaim hard disk space.
 			errs := false
 			for res := range gcOutChan {
 				if res.Error != nil {
-					re.Emit(&GcResult{Error: res.Error.Error()})
+					if err := re.Emit(&GcResult{Error: res.Error.Error()}); err != nil {
+						return err
+					}
 					errs = true
 				} else {
-					re.Emit(&GcResult{Key: res.KeyRemoved})
+					if err := re.Emit(&GcResult{Key: res.KeyRemoved}); err != nil {
+						return err
+					}
 				}
 			}
 			if errs {