From a75a1b3859e6c30f0a24b262bdfc524dcdc07c3b Mon Sep 17 00:00:00 2001
From: "Guillaume J. Charmes" <guillaume.charmes@dotcloud.com>
Date: Wed, 1 May 2013 15:19:55 -0700
Subject: [PATCH] When no -config is set while committing, use the config of
 the base image

---
 commands.go | 3 ++-
 graph.go    | 5 +++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/commands.go b/commands.go
index 1e624e6825..f4e2a5622b 100644
--- a/commands.go
+++ b/commands.go
@@ -736,8 +736,9 @@ func (srv *Server) CmdCommit(stdin io.ReadCloser, stdout io.Writer, args ...stri
 		return nil
 	}
 
-	config := &Config{}
+	var config *Config
 	if *flConfig != "" {
+		config = &Config{}
 		if err := json.Unmarshal([]byte(*flConfig), config); err != nil {
 			return err
 		}
diff --git a/graph.go b/graph.go
index bf22bb19f0..3823868c83 100644
--- a/graph.go
+++ b/graph.go
@@ -97,6 +97,11 @@ func (graph *Graph) Create(layerData Archive, container *Container, comment, aut
 		img.Parent = container.Image
 		img.Container = container.Id
 		img.ContainerConfig = *container.Config
+		if config == nil {
+			if parentImage, err := graph.Get(container.Image); err == nil && parentImage != nil {
+				img.Config = parentImage.Config
+			}
+		}
 	}
 	if err := graph.Register(layerData, img); err != nil {
 		return nil, err