gistfile1.rb

    def render_option(url_options)
        custom_render = false
        url_options[:custom][:urls].each do |url|
            if current_path == url
                custom_render = true
                break
            elsif [current_path] == url_options[:custom][:other_urls]
                custom_render = "other"
                break
            elsif [current_path] == ["/articles"] or current_path[0,17] == "/carbon_projects/" or current_path[0,10] == "/articles/"
                custom_render = "other"
                break
            else
                custom_render = false
            end
        end
        if custom_render == true
            render :partial => url_options[:custom][:render] 
        elsif custom_render == "other"
            render :partial => url_options[:custom][:other_render]
        else
            render :partial => url_options[:default]
        end
    end