Testing

1 files changed, 3 insertions, 1 deletions

diff --git a/buildstream/element.py b/buildstream/element.py
index b13d489c2..1b0bf2b1e 100644
--- a/buildstream/element.py
+++ b/buildstream/element.py
@@ -435,7 +435,7 @@ class Element(Plugin):
 
         data = self.__dynamic_public.get(domain)
         if data is not None:
-            data = copy.deepcopy(data)
+            data = _yaml.node_chain_copy(data)
 
         return data
 
@@ -455,6 +455,8 @@ class Element(Plugin):
             self._load_public_data()
 
         if data is not None:
+            # Should we ensure provenance information here ?
+            #
             data = copy.deepcopy(data)
 
         self.__dynamic_public[domain] = data