(defconst backups-dir "~/.emacs.d/backups/")
;; auto-save
(setq auto-save-default t
auto-save-interval 0
auto-save-timeout 5
delete-auto-save-files t
auto-save-list-file-name (concat backups-dir (format ".auto-save-%s" (emacs-pid)))
auto-save-file-name-transforms `((".*" ,backups-dir t)))