# File lib/templater/cli/generator.rb, line 165
      def output_diff_line(diff)
        case diff.action
        when '-'
          say "<%= color( %(-  #{diff.element.chomp}), :red) %>"
        when '+'
          say "<%= color( %(+  #{diff.element.chomp}), :green) %>"
        else
          say "#{diff.action}  #{diff.element.chomp}"
        end
      end