From 10eeaec70cd3a2c5d52a132009cd3a8920641e3a Mon Sep 17 00:00:00 2001
From: Victor Vieux <victor@docker.com>
Date: Thu, 19 Dec 2013 12:32:58 -0800
Subject: [PATCH] fix progressbar in docker push

---
 docs/registry.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/registry.go b/docs/registry.go
index 6c9255aa4..3c793cf08 100644
--- a/docs/registry.go
+++ b/docs/registry.go
@@ -448,6 +448,11 @@ func (r *Registry) PushImageLayerRegistry(imgID string, layer io.Reader, registr
 	if err != nil {
 		return "", fmt.Errorf("Failed to upload layer: %s", err)
 	}
+	if rc, ok := layer.(io.Closer); ok {
+		if err := rc.Close(); err != nil {
+			return "", err
+		}
+	}
 	defer res.Body.Close()
 
 	if res.StatusCode != 200 {