class ActionText::Generators::InstallGenerator

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