# File lib/chef/knife/node_run_list_add.rb, line 47
      def add_to_run_list(node, new_value, after=nil)
        if after
          nlist = []
          node.run_list.each do |entry|
            nlist << entry
            if entry == after
              nlist << new_value
            end
          end
          node.run_list.reset!(nlist)
        else
          node.run_list << new_value
        end
      end