path: root/config/init-buffer.el

;;; init-buffer.el --- Configure buffer -*- lexical-binding: t -*-
;; Author: Franck Cuny <franck@fcuny.net>

;;; Commentary:

;; buffer related configurations

;;; Code:

(use-package ibuffer
  :defer t
  :custom
  (ibuffer-expert t)
  (ibuffer-show-empty-filter-groups nil)
  (ibuffer-jump-offer-only-visible-buffers t)
  (ibuffer-maybe-show-predicates '("^\\*.*\\*$"))
  (ibuffer-never-show-predicates '("^ "))
  (ibuffer-use-other-window t))

(use-package midnight
  :defer t
  :custom
  ;; every 6 hours
  (midnight-period (* 3600 6)))

(setq clean-buffer-list-delay-general 2           ; every 2 day
      clean-buffer-list-delay-special (* 3600 3)) ; every 3 hours

(defun my/rename-this-buffer-and-file ()
  "Renames current buffer and file it is visiting."
  (interactive)
  (let ((name (buffer-name))
        (filename (buffer-file-name))
        (read-file-name-function 'read-file-name-default))
    (if (not (and filename (file-exists-p filename)))
        (error "Buffer '%s' is not visiting a file!" name)
      (let ((new-name (read-file-name "New name: " filename)))
        (cond ((get-buffer new-name)
               (error "A buffer named '%s' already exists!" new-name))
              (t
               (rename-file filename new-name 1)
               (rename-buffer new-name)
               (set-visited-file-name new-name)
               (set-buffer-modified-p nil)
               (message "File '%s' successfully renamed to '%s'" name (file-name-nondirectory new-name))))))))


(provide 'init-buffer)

;;; init-buffer.el ends here