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