instance method enable_image_processing_gem

# File actiontext/lib/generators/action_text/install/install_generator.rb, line 62
      def enable_image_processing_gem
        if (gemfile_path = Pathname(destination_root).join("Gemfile")).exist?
          say "Ensure image_processing gem has been enabled so image uploads will work (remember to bundle!)"
          image_processing_regex = /gem ["']image_processing["']/
          if File.readlines(gemfile_path).grep(image_processing_regex).any?
            uncomment_lines gemfile_path, image_processing_regex
          else
            run "bundle add --skip-install image_processing"
          end
        end
      end