https://blog.7sheep.net/blog/2014/09/01/render-super-or-how-we-build-a-highly-extendable-rails-cms

render_super_helper.rb

module ActionView::Helpers
  module RenderSuperHelper
    def render(*args, &block)
      options = args.clone.extract_options!

      if options[:view_paths]
        @view_paths = lookup_context.view_paths
        lookup_context.view_paths = options[:view_paths]
      end

      if args.first == :super
        current = lookup_context.find(@virtual_path).identifier
        index = view_paths.map(&:to_s).index { |path| current.include?(path) } || -1

        render(template: @virtual_path, view_paths: view_paths.drop(index + 1))
      else
        super
      end
    ensure
      lookup_context.view_paths = @view_paths if @view_paths
    end
  end
end