;;; sudo-ext.el --- sudo support
;; Time-stamp: <2011-01-17 15:52:34 rubikitch>
;; Copyright (C) 2010 rubikitch
;; Author: rubikitch <rubikitch@ruby-lang.org>
;; Keywords: unix
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;; `sudo' support in Emacs. Currently it has one feature.
;;
;; * `sudoedit' command opens files as root using sudoedit program.
;; This command needs emacsserver or gnuserv.
;; Try M-x server-start or M-x gnuserv-start first.
;; Be sure to you can run `sudoedit FILE' in shell.
;;
;;; Code:
(defgroup sudo-ext nil
"sudo-ext"
:group 'emacs)
(defun sudoedit-editor ()
(cond ((and (fboundp 'server-running-p) (server-running-p)) "emacsclient")
((and (fboundp 'gnuserv-running-p) (gnuserv-running-p)) "gnuclient")
(t (error (substitute-command-keys
"Not running server. Start server by \\[server-start] or \\[gnuserv-start]")))))
(defun sudo-process-filter (proc string)
(when (string-match "password" string)
(process-send-string proc (concat (read-passwd "Sudo Password: ") "\n"))))
(defun sudoedit (file)
"Run `sudoedit FILE' to edit FILE as root.
Be sure to you can run `sudoedit FILE' in shell."
(interactive "FSudoedit: ")
(let ((process-environment (copy-sequence process-environment)))
(setenv "EDITOR" (sudoedit-editor))
(setenv "VISUAL" (sudoedit-editor))
(with-temp-buffer
(set-process-filter
(start-process "sudoedit" (current-buffer) "sudoedit" file)
'sudo-process-filter))))
(provide 'sudo-ext)
;;; sudo-ext.el ends here