lisp/org-eshell.el

   1 ;;; org-eshell.el - Support for links to working directories in eshell
   2
   3 ;; Copyright (C) 2011-2012 Free Software Foundation, Inc.
   4
   5 ;; Author: Konrad Hinsen <konrad.hinsen AT fastmail.net>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU 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 of the License, or
  12 ;; (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Commentary:
  23
  24 ;;; Code:
  25
  26 (require 'org)
  27 (require 'eshell)
  28 (require 'esh-mode)
  29
  30 (org-add-link-type "eshell" 'org-eshell-open)
  31 (add-hook 'org-store-link-functions 'org-eshell-store-link)
  32
  33 (defun org-eshell-open (link)
  34   "Switch to am eshell buffer and execute a command line.
  35    The link can be just a command line (executed in the default
  36    eshell buffer) or a command line prefixed by a buffer name
  37    followed by a colon."
  38   (let* ((buffer-and-command
  39           (if (string-match "\\([A-Za-z0-9-+*]+\\):\\(.*\\)" link)
  40               (list (match-string 1 link)
  41                     (match-string 2 link))
  42             (list eshell-buffer-name link)))
  43          (eshell-buffer-name (car buffer-and-command))
  44          (command (cadr buffer-and-command)))
  45     (if (get-buffer eshell-buffer-name)
  46         (org-pop-to-buffer-same-window eshell-buffer-name)
  47       (eshell))
  48     (goto-char (point-max))
  49     (eshell-kill-input)
  50     (insert command)
  51     (eshell-send-input)))
  52
  53 (defun org-eshell-store-link ()
  54   "Store a link that, when opened, switches back to the current eshell buffer
  55    and the current working directory."
  56   (when (eq major-mode 'eshell-mode)
  57     (let* ((command (concat "cd " dired-directory))
  58            (link  (concat (buffer-name) ":" command)))
  59       (org-store-link-props
  60        :link (concat "eshell:" link)
  61        :description command))))
  62
  63 (provide 'org-eshell)
  64
  65 ;;; org-eshell.el ends here