controller.rb in consul-0.13.0

- old
+ new

@@ -44,9 +44,13 @@
         if Rails.version.to_i < 4
           skip_before_filter :unchecked_power, options
         elsif Rails.version.to_i < 5
           skip_before_action :unchecked_power, options
         else
+          # Every `power` in a controller will skip the power check filter. After the 1st time, Rails 5+ will raise
+          # an error because there is no `unchecked_power` action to skip any more.
+          # To avoid this, we add the following extra option. Note that it must not be added in Rails 4 to avoid errors.
+          # See http://api.rubyonrails.org/classes/ActiveSupport/Callbacks/ClassMethods.html#method-i-skip_callback
           skip_before_action :unchecked_power, { :raise => false }.merge!(options)
         end
       end
 
       def current_power(&initializer)