lib/preserve/extension.rb in preserve-2.0.1 vs lib/preserve/extension.rb in preserve-2.1.0

@@ -3,10 +3,10 @@
 
 module Preserve
   module Extension
     def preserve(*parameter_keys)
       options = parameter_keys.extract_options!
-      filter_options = options.slice(:only, :except)
+      filter_options = options.slice(:only, :except, :if, :unless)
 
       parameter_keys.each do |parameter_key|
         callback = Callback.new(self, parameter_key, options)
         __send__(BEFORE_METHOD, callback, filter_options)
       end