From ec9c035237a22a259f1f539f99514dd7b06500fd Mon Sep 17 00:00:00 2001
From: GLYASAI <chaoschunqfeijg@163.com>
Date: Fri, 7 Dec 2018 11:52:48 +0800
Subject: [PATCH] [ADD] add some debug messages

---
 builder/sources/image.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/builder/sources/image.go b/builder/sources/image.go
index 70b6fc047..8c5721c8e 100644
--- a/builder/sources/image.go
+++ b/builder/sources/image.go
@@ -102,9 +102,11 @@ func ImagePull(dockerCli *client.Client, image string, username, password string
 			if err == io.EOF {
 				break
 			}
+			logrus.Debugf("error decoding jm(JSONMessage): %v", err)
 			return nil, err
 		}
 		if jm.Error != nil {
+			logrus.Debugf("error pulling image: %v", jm.Error)
 			return nil, jm.Error
 		}
 		if logger != nil {