mirror of
https://git.savannah.gnu.org/git/emacs/org-mode.git
synced 2024-08-22 21:19:58 +00:00
f4d8622bc6
; Fix copyright years and license notices for recent org files 94c5eeb1fd33b043f68c4021fa0aed0e5590763e Glenn Morris Tue Dec 3 17:19:14 2019 -0800
103 lines
3.5 KiB
EmacsLisp
103 lines
3.5 KiB
EmacsLisp
;;; ob-eshell.el --- Babel Functions for Eshell -*- lexical-binding: t; -*-
|
|
|
|
;; Copyright (C) 2018-2019 Free Software Foundation, Inc.
|
|
|
|
;; Author: stardiviner <numbchild@gmail.com>
|
|
;; Keywords: literate programming, reproducible research
|
|
;; Homepage: https://orgmode.org
|
|
|
|
;; 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:
|
|
|
|
;; Org Babel support for evaluating Eshell source code.
|
|
|
|
;;; Code:
|
|
(require 'ob)
|
|
(require 'eshell)
|
|
|
|
(defvar org-babel-default-header-args:eshell '())
|
|
|
|
(defun org-babel-execute:eshell (body params)
|
|
"Execute a block of Eshell code BODY with PARAMS.
|
|
This function is called by `org-babel-execute-src-block'.
|
|
|
|
The BODY can be any code which allowed executed in Eshell.
|
|
Eshell allow to execute normal shell command and Elisp code.
|
|
More details please reference Eshell Info.
|
|
|
|
The PARAMS are variables assignments."
|
|
(let* ((session (org-babel-eshell-initiate-session
|
|
(cdr (assq :session params))))
|
|
(full-body (org-babel-expand-body:generic
|
|
body params (org-babel-variable-assignments:eshell params))))
|
|
(if session
|
|
(progn
|
|
(with-current-buffer session
|
|
(dolist (line (split-string full-body "\n"))
|
|
(goto-char eshell-last-output-end)
|
|
(insert line)
|
|
(eshell-send-input))
|
|
;; get output of last input
|
|
;; TODO: collect all output instead of last command's output.
|
|
(goto-char eshell-last-input-end)
|
|
(buffer-substring-no-properties (point) eshell-last-output-start)))
|
|
(with-temp-buffer
|
|
(eshell-command full-body t)
|
|
(buffer-string)))))
|
|
|
|
(defun org-babel-prep-session:eshell (session params)
|
|
"Prepare SESSION according to the header arguments specified in PARAMS."
|
|
(let* ((session (org-babel-eshell-initiate-session session))
|
|
;; Eshell session buffer is read from variable `eshell-buffer-name'.
|
|
(eshell-buffer-name session)
|
|
(var-lines (org-babel-variable-assignments:eshell params)))
|
|
(call-interactively #'eshell)
|
|
(mapc #'eshell-command var-lines)
|
|
session))
|
|
|
|
(defun ob-eshell-session-live-p (session)
|
|
"Non-nil if Eshell SESSION exists."
|
|
(get-buffer session))
|
|
|
|
(defun org-babel-eshell-initiate-session (&optional session _params)
|
|
"Initiate a session named SESSION."
|
|
(when (and session (not (string= session "none")))
|
|
(save-window-excursion
|
|
(unless (ob-eshell-session-live-p session)
|
|
(let ((eshell-buffer-name session)) (eshell))))
|
|
session))
|
|
|
|
(defun org-babel-variable-assignments:eshell (params)
|
|
"Convert ob-eshell :var specified variables into Eshell variables assignments."
|
|
(mapcar
|
|
(lambda (pair)
|
|
(format "(setq %s %S)" (car pair) (cdr pair)))
|
|
(org-babel--get-vars params)))
|
|
|
|
(defun org-babel-load-session:eshell (session body params)
|
|
"Load BODY into SESSION with PARAMS."
|
|
(save-window-excursion
|
|
(let ((buffer (org-babel-prep-session:eshell session params)))
|
|
(with-current-buffer buffer
|
|
(goto-char (point-max))
|
|
(insert (org-babel-chomp body)))
|
|
buffer)))
|
|
|
|
(provide 'ob-eshell)
|
|
|
|
;;; ob-eshell.el ends here
|