database_gemfile_entry

# File railties/lib/rails/generators/app_base.rb, line 175
      def database_gemfile_entry
        return [] if options[:skip_active_record]
        gem_name, gem_version = gem_for_database
        GemfileEntry.version gem_name, gem_version,
                            "Use #{options[:database]} as the database for Active Record"
      end