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authormattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
committermattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
commitbd18a38c2898548a3664a9ddab9f79c84f2caf4a (patch)
tree95b9933376770381bd8859782ae763be81c2d72b /elpa/org-9.5.2/ob-eshell.el
parentb07628dddf418d4f47b858e6c35fd3520fbaeed2 (diff)
parentef160dea332af4b4fe5e2717b962936c67e5fe9e (diff)
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-;;; ob-eshell.el --- Babel Functions for Eshell -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2018-2021 Free Software Foundation, Inc.
-
-;; Author: stardiviner <numbchild@gmail.com>
-;; Maintainer: stardiviner <numbchild@gmail.com>
-;; Homepage: https://github.com/stardiviner/ob-eshell
-;; Keywords: literate programming, reproducible research
-
-;; 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)
-
-(declare-function eshell-send-input "esh-mode"
- (&optional use-region queue-p no-newline))
-
-(defvar eshell-last-output-start)
-(defvar eshell-last-output-end)
-(defvar eshell-last-input-end)
-
-(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