Make between-source joining behavior for colliding custom metadata ma…

…tch the within-source behavior, and just smush the lists together. Fixes #1161.
speced · Jan 4, 2018 · c35823c · c35823c
1 parent bbd6a9c
commit c35823c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/bikeshed/metadata.py b/bikeshed/metadata.py
@@ -833,7 +833,7 @@ def join(*sources):
             mdentry = knownKeys[k]
             md.addParsedData(k, getattr(mdsource, mdentry.attrName))
         for k,v in mdsource.otherMetadata.items():
-            md.otherMetadata[k] = v
+            md.otherMetadata[k].extend(v)
     return md
 
 @attr.s(slots=True, frozen=True)