lib/brief/repository.rb in brief-1.8.2 vs lib/brief/repository.rb in brief-1.8.3

@@ -14,9 +14,13 @@
       @options = options
 
       load_documents
     end
 
+    def cache_key
+      "#{documents.count}-#{documents.map {|d| d.path.mtime.to_i }.max}"
+    end
+
     def respond_to?(meth)
       super || model_groups.include?(meth.to_s)
     end
 
     def method_missing(meth, *args, &block)