;;; org-eshell.el - Support for Links to Working Directories in Eshell -*- lexical-binding: t; -*-
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;; Copyright (C) 2011-2018 Free Software Foundation, Inc.
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;; Author: Konrad Hinsen <konrad.hinsen AT fastmail.net>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'org)
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(require 'eshell)
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(require 'esh-mode)
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(org-link-set-parameters "eshell"
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:follow #'org-eshell-open
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:store #'org-eshell-store-link)
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(defun org-eshell-open (link)
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"Switch to am eshell buffer and execute a command line.
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The link can be just a command line (executed in the default
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eshell buffer) or a command line prefixed by a buffer name
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followed by a colon."
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(let* ((buffer-and-command
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(if (string-match "\\([A-Za-z0-9-+*]+\\):\\(.*\\)" link)
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(list (match-string 1 link)
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(match-string 2 link))
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(list eshell-buffer-name link)))
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(eshell-buffer-name (car buffer-and-command))
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(command (cadr buffer-and-command)))
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(if (get-buffer eshell-buffer-name)
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(pop-to-buffer-same-window eshell-buffer-name)
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(eshell))
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(goto-char (point-max))
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(eshell-kill-input)
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(insert command)
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(eshell-send-input)))
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(defun org-eshell-store-link ()
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"Store a link that, when opened, switches back to the current eshell buffer
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and the current working directory."
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(when (eq major-mode 'eshell-mode)
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(let* ((command (concat "cd " dired-directory))
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(link (concat (buffer-name) ":" command)))
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(org-store-link-props
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:link (concat "eshell:" link)
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:description command))))
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(provide 'org-eshell)
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;;; org-eshell.el ends here
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