Overriding couchrest's database delete method to ensure design cache is deleted

lib/couchrest/model/design_doc.rb

@@ -108,8 +108,6 @@ module CouchRest
           }
         end
 
-
-
       end # module ClassMethods
 
     end

lib/couchrest/model/support/couchrest_database.rb

@@ -0,0 +1,13 @@
+#
+# Extend CouchRest's normal database delete! method to ensure any caches are
+# also emptied. Given that this is a rare event, and the consequences are not 
+# very severe, we just completely empty the cache.
+#
+CouchRest::Database.class_eval do
+
+  def delete!
+    Thread.current[:couchrest_design_cache] = { }
+    CouchRest.delete @root
+  end
+
+end