refactoring sync

pkg/remote/client/client.go

@@ -384,6 +384,10 @@ func (c *Client) All() ([]repository.Metadata, error) {
 	return nil, errors.New("invalid payload sent by the server")
 }
 
+func (c *Client) BaseURL() string {
+	return c.baseURL
+}
+
 func (c *Client) get(url string) (obj.HTTPObject, error) {
 	cli := http.Client{}