contrib/lisp/org-eshell.el

   1 ;;; org-eshell.el - Support for links to working directories in eshell
   2 ;; Copyright (C) 2011 Free Software Foundation, Inc.
   3 ;;
   4 ;; Author: Konrad Hinsen <konrad.hinsen AT fastmail.net>
   5 ;; Version: 0.1
   6 ;;
   7 ;; This file is not part of GNU Emacs.
   8 ;;
   9 ;; Emacs is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 3, or (at your option)
  12 ;; any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22 ;; Boston, MA 02110-1301, USA.
  23 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  24
  25 (require 'org)
  26 (require 'eshell)
  27 (require 'esh-mode)
  28
  29 (org-add-link-type "eshell" 'org-eshell-open)
  30 (add-hook 'org-store-link-functions 'org-eshell-store-link)
  31
  32 (defun org-eshell-open (link)
  33   "Switch to am eshell buffer and execute a command line.
  34    The link can be just a command line (executed in the default
  35    eshell buffer) or a command line prefixed by a buffer name
  36    followed by a colon."
  37   (let* ((buffer-and-command
  38           (if (string-match "\\([A-Za-z0-9-+*]+\\):\\(.*\\)" link)
  39             (list (match-string 1 link)
  40                   (match-string 2 link))
  41             (list eshell-buffer-name link)))
  42          (eshell-buffer-name (car buffer-and-command))
  43          (command (cadr buffer-and-command)))
  44      (if (get-buffer eshell-buffer-name)
  45        (switch-to-buffer eshell-buffer-name)
  46        (eshell))
  47      (end-of-buffer)
  48      (eshell-kill-input)
  49      (insert command)
  50      (eshell-send-input)))
  51
  52 (defun org-eshell-store-link ()
  53   "Store a link that, when opened, switches back to the current eshell buffer
  54    and the current working directory."
  55   (when (eq major-mode 'eshell-mode)
  56     (let* ((command (concat "cd " dired-directory))
  57            (link  (concat (buffer-name) ":" command)))
  58       (org-store-link-props
  59        :link (org-make-link "eshell:" link)
  60        :description command))))
  61
  62
  63 (provide 'org-eshell)
  64
  65 ;;; org-eshell.el ends here