From 0d99cb862997d9421d5c5c4dc96983067ddc4d84 Mon Sep 17 00:00:00 2001
From: yupengzte <yu.peng36@zte.com.cn>
Date: Fri, 5 May 2017 13:33:40 +0800
Subject: [PATCH] check err

Signed-off-by: yupengzte <yu.peng36@zte.com.cn>
---
 builder/remotecontext/detect.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/builder/remotecontext/detect.go b/builder/remotecontext/detect.go
index d398004100..177596093a 100644
--- a/builder/remotecontext/detect.go
+++ b/builder/remotecontext/detect.go
@@ -125,6 +125,9 @@ func removeDockerfile(c modifiableContext, filesToRemove ...string) error {
 		return err
 	}
 	excludes, err := dockerignore.ReadAll(f)
+	if err != nil {
+		return err
+	}
 	f.Close()
 	filesToRemove = append([]string{".dockerignore"}, filesToRemove...)
 	for _, fileToRemove := range filesToRemove {