tempbuf

tempbuf.el

(leaf tempbuf
  :doc "Auto kill unused buffers in the background"
  :el-get (tempbuf :url "http://www.emacswiki.org/emacs/download/tempbuf.el")
  :hook ((find-file-hook . my:find-file-tempbuf-hook)
		 ((dired-mode-hook magit-mode-hook) . turn-on-tempbuf-mode))
  :custom
  `((tempbuf-kill-message . nil)
	(my:tempbuf-ignore-files . '("~/Dropbox/org/task.org")))
  :init
  (defun my:find-file-tempbuf-hook ()
	(let ((ignore-file-names (mapcar 'expand-file-name my:tempbuf-ignore-files)))
	  (unless (member (buffer-file-name) ignore-file-names)
		(turn-on-tempbuf-mode)))))