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;;; bandali-eshell.el --- bandali's Eshell setup -*- lexical-binding: t; -*-
;; Copyright (C) 2018-2025 Amin Bandali <bandali@gnu.org>
;; Author: Amin Bandali <bandali@gnu.org>
;; Keywords: processes
;; This program 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.
;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; My humble Eshell setup.
;;; Code:
(with-eval-after-load 'eshell
(setopt
eshell-hist-ignoredups t
eshell-input-filter #'eshell-input-filter-initial-space
eshell-prompt-regexp "^[^#$\n]* [#$] ; "
eshell-prompt-function
(lambda ()
(let ((uid (if (functionp #'file-user-uid)
#'file-user-uid ; (version<= "30" emacs-version)
#'user-uid))) ; (version< emacs-version "30")
(concat ": "
(system-name)
":"
(abbreviate-file-name (eshell/pwd))
(unless (eshell-exit-success-p)
(format " [%d]" eshell-last-command-status))
(if (= (funcall uid) 0) " # " " $ ")
"; "))))
;; `esh-mode'
(eval-when-compile
(defvar eshell-prompt-regexp)
(declare-function eshell-life-is-too-much "esh-mode")
(declare-function eshell-send-input "esh-mode"
(&optional use-region queue-p no-newline)))
(defun b/eshell-quit-or-delete-char (arg)
(interactive "p")
(if (and (eolp) (looking-back eshell-prompt-regexp nil))
(eshell-life-is-too-much)
(delete-char arg)))
(defun b/eshell-clear ()
(interactive)
(let ((inhibit-read-only t))
(erase-buffer))
(eshell-send-input))
(with-eval-after-load 'esh-mode
(let ((m eshell-mode-map))
(b/keymap-set m "C-d" #'b/eshell-quit-or-delete-char)
(b/keymap-set m "C-S-l" #'b/eshell-clear)))
;; `esh-hist'
(defun b/eshell-history ()
(interactive)
(completing-read "Eshell history: "
(ring-elements eshell-history-ring)))
(with-eval-after-load 'esh-hist
(let ((m eshell-hist-mode-map))
(b/keymap-set m "M-r" #'b/eshell-history))))
(b/keymap-global-set "C-c s e" #'eshell)
(provide 'bandali-eshell)
;;; bandali-eshell.el ends here
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