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;;; +eshell.el -*- lexical-binding: t; -*-
;;; Code:
;; https://karthinks.com/software/jumping-directories-in-eshell/
(defun eshell/z (&optional regexp)
"Navigate to a previously visited directory in eshell, or to
any directory proferred by `consult-dir'."
(let ((eshell-dirs (delete-dups
(mapcar 'abbreviate-file-name
(ring-elements eshell-last-dir-ring)))))
(cond
((and (not regexp) (featurep 'consult-dir))
(let* ((consult-dir--source-eshell `(:name "Eshell"
:narrow ?e
:category file
:face consult-file
:items ,eshell-dirs))
(consult-dir-sources (cons consult-dir--source-eshell
consult-dir-sources)))
(eshell/cd (substring-no-properties
(consult-dir--pick "Switch directory: ")))))
(t (eshell/cd (if regexp (eshell-find-previous-directory regexp)
(completing-read "cd: " eshell-dirs)))))))
;;; Start and quit
(defun +eshell-quit-or-delete-char (arg)
"Delete the character to the right, or quit eshell on an empty line."
(interactive "p")
(if (and (eolp) (looking-back eshell-prompt-regexp))
(eshell-life-is-too-much)
(delete-forward-char arg)))
;;; Insert previous arguments
;; Record arguments
(defvar eshell-arg-history nil)
(defvar eshell-arg-history-index nil)
(add-to-list 'savehist-additional-variables 'eshell-arg-history)
(defun eshell-record-args (&rest _)
"Record unique arguments onto the front of `eshell-arg-history'."
(setq eshell-arg-history
(cl-loop with history = eshell-arg-history
for arg in (reverse eshell-last-arguments)
do (setq history (cons arg (remove arg history)))
finally return history)))
(defun eshell-insert-prev-arg ()
"Insert an argument from `eshell-arg-history' at point."
(interactive)
(if (eq last-command 'eshell-insert-prev-arg)
(progn
(let ((pos (point)))
(eshell-backward-argument 1)
(delete-region (point) pos))
(if-let ((text (nth eshell-arg-history-index
eshell-arg-history)))
(progn
(insert text)
(cl-incf eshell-arg-history-index))
(insert (cl-first eshell-arg-history))
(setq eshell-arg-history-index 1)))
(insert (cl-first eshell-arg-history))
(setq eshell-arg-history-index 1)))
;;;###autoload
(define-minor-mode eshell-arg-hist-mode
"Minor mode to enable argument history, like bash/zsh with M-."
:lighter "$."
:keymap (let ((map (make-sparse-keymap)))
(define-key map (kbd "M-.") #'eshell-insert-prev-arg)
map)
(if eshell-arg-hist-mode
(add-hook 'eshell-post-command-hook #'eshell-record-args nil t)
(remove-hook 'eshell-post-command-hook #'eshell-record-args t)))
(provide '+eshell)
;;; +eshell.el ends here
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