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emacs/lisp/org/ol-eshell.el
2023-01-01 05:31:12 -05:00

76 lines
2.5 KiB
EmacsLisp

;;; ol-eshell.el --- Links to Working Directories in Eshell -*- lexical-binding: t; -*-
;; Copyright (C) 2011-2023 Free Software Foundation, Inc.
;; Author: Konrad Hinsen <konrad.hinsen AT fastmail.net>
;; This file is part of GNU Emacs.
;; GNU Emacs 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 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'org-macs)
(org-assert-version)
(require 'eshell)
(require 'esh-mode)
(require 'ol)
(declare-function eshell/pwd "em-dirs.el" (&rest args))
(org-link-set-parameters "eshell"
:follow #'org-eshell-open
:store #'org-eshell-store-link)
(defun org-eshell-open (link _)
"Switch to an eshell buffer and execute a command line.
The link can be just a command line (executed in the default
eshell buffer) or a command line prefixed by a buffer name
followed by a colon."
(let* ((buffer-and-command
(if (string-match "\\([A-Za-z0-9+*-]+\\):\\(.*\\)" link)
(list (match-string 1 link)
(match-string 2 link))
(list eshell-buffer-name link)))
(eshell-buffer-name (car buffer-and-command))
(command (cadr buffer-and-command)))
(if (get-buffer eshell-buffer-name)
(pop-to-buffer
eshell-buffer-name
(if (boundp 'display-comint-buffer-action) ; Emacs >= 29
display-comint-buffer-action
'(display-buffer-same-window (inhibit-same-window))))
(eshell))
(goto-char (point-max))
(eshell-kill-input)
(insert command)
(eshell-send-input)))
(defun org-eshell-store-link ()
"Store a link that, when opened, switches back to the current eshell buffer
and the current working directory."
(when (eq major-mode 'eshell-mode)
(let* ((command (concat "cd " (eshell/pwd)))
(link (concat (buffer-name) ":" command)))
(org-link-store-props
:link (concat "eshell:" link)
:description command))))
(provide 'ol-eshell)
;;; ol-eshell.el ends here