only save xml on changes

datacite · Sep 26, 2018 · dd4a9dd · dd4a9dd
1 parent c60189a
commit dd4a9dd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/app/models/doi.rb b/app/models/doi.rb
@@ -483,7 +483,7 @@ def update_metadata
       attribute_will_change!(:xml)
     end
 
-    metadata.build(doi: self, xml: xml, namespace: schema_version) if xml.present?
+    metadata.build(doi: self, xml: xml, namespace: schema_version) if (changed & %w(xml)).present?
   end
 
   def set_defaults