config/module: use source as part of key

config/module/tree.go

@@ -170,7 +170,7 @@ func (t *Tree) Load(s getter.Storage, mode GetMode) error {
 
 		// Get the directory where this module is so we can load it
 		key := strings.Join(path, ".")
-		key = "root." + key
+		key = fmt.Sprintf("root.%s-%s", key, source)
 		dir, ok, err := getStorage(s, key, source, mode)
 		if err != nil {
 			return err