# File lib/chef/provider/deploy.rb, line 332
      def run_callback_from_file(callback_file)
        if ::File.exist?(callback_file)
          Dir.chdir(release_path) do
            Chef::Log.info "#{@new_resource} running deploy hook #{callback_file}"
            recipe_eval { from_file(callback_file) }
          end
        end
      end