(require 'package)
(setq package-archives nil)
(add-to-list 'package-archives '("gnu" . "https://elpa.gnu.org/packages/") t)
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)
(unless (package-installed-p 'use-package)
(package-refresh-contents)
(package-install 'use-package))
(require 'use-package)
(eval-when-compile
(require 'use-package) ; install packages from package archive automatically
(require 'use-package-ensure)
(setq use-package-always-ensure t))
(use-package auto-package-update
:config
(setq auto-package-update-delete-old-versions t)
(setq auto-package-update-hide-results t)
(auto-package-update-at-time "03:00"))