def engine_scaffold
      FileUtils.mkdir_p(@gem_temp)
      Dir.chdir(@gem_temp) do
        response = Open3.capture3("rails plugin new #{gem} --mountable --dummy-path=site --skip-test-unit")
        if !response[1].empty?
          puts response[1]
          abort "FAILED: Please be sure you have the rails gem installed with `gem install rails`"
        end

        # Remove files and directories that are unnecessary for the
        # light-weight Rails documentation site
        remove = %w(mailers models assets channels jobs views).map{ |f| File.join('app', f) }
        remove.concat %w(cable.yml storage.yml database.yml).map{ |f| File.join('config', f) }

        remove.each { |f| FileUtils.rm_rf File.join(@gem, 'site', f), secure: true }
      end
      

      engine_copy
    end
def engine_scaffold
      FileUtils.mkdir_p(@gem_temp)
      Dir.chdir(@gem_temp) do
        response = Open3.capture3("rails plugin new #{gem} --mountable --dummy-path=site --skip-test-unit")
        if !response[1].empty?
          puts response[1]
          abort "FAILED: Please be sure you have the rails gem installed with `gem install rails`"
        end

        # Remove files and directories that are unnecessary for the
        # light-weight Rails documentation site
        remove = %w(mailers models assets channels jobs views).map{ |f| File.join('app', f) }
        remove.concat %w(cable.yml storage.yml database.yml).map{ |f| File.join('config', f) }

        remove.each { |f| FileUtils.rm_rf File.join(@gem, 'site', f), secure: true }
      end
      

      engine_copy
    end
Create an Rails plugin engine for documentation site