list only managed repositories

plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgRepositoryHandler.java

@@ -273,11 +273,14 @@ public class HgRepositoryHandler implements RepositoryHandler
         Repository repository = buildRepository(repositoryName);
 
         if (repository != null)
+        {
+          if (Util.isNotEmpty(repository.getId()))
           {
             repositories.add(repository);
           }
         }
       }
+    }
 
     return repositories;
   }