new file mode 100644

@@ -0,0 +1,12 @@

+package lib

+

+import "net/url"

+

+// ContainerRename changes the name of a given container.

+func (cli *Client) ContainerRename(containerID, newContainerName string) error {

+	var query url.Values

+	query.Set("name", newContainerName)

+	resp, err := cli.POST("/containers/"+containerID+"/rename", query, nil, nil)

+	ensureReaderClosed(resp)

+	return err

+}

@@ -24,7 +24,7 @@ func (cli *DockerCli) CmdRename(args ...string) error {

 		return fmt.Errorf("Error: Neither old nor new names may be empty")

 	}

-	if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/rename?name=%s", oldName, newName), nil, nil)); err != nil {

+	if err := cli.client.ContainerRename(oldName, newName); err != nil {

 		fmt.Fprintf(cli.err, "%s\n", err)

 		return fmt.Errorf("Error: failed to rename container named %s", oldName)

 	}