127 lines
4.9 KiB
EmacsLisp
127 lines
4.9 KiB
EmacsLisp
;;; oni-eshell.el --- Eshell configuration -*- lexical-binding: t; -*-
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;; Copyright (C) 2019 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords: local
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;; Version: 2020.1210.213125
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;; Package-Requires: (eshell-fringe-status esh-autosuggest xterm-color eshell-syntax-highlighting)
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;; This program 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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;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Eshell configuration.
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;;; Code:
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(require 'eshell)
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(require 'em-dirs)
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(require 'em-prompt)
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(require 'esh-autosuggest)
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(require 'xterm-color)
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(defun oni-eshell--C-d ()
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"Call `delete-char' or close the buffer if it fails."
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(interactive)
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(condition-case err
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(call-interactively #'delete-char)
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(error (if (and (eq (car err) 'end-of-buffer)
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(looking-back eshell-prompt-regexp nil))
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(kill-buffer)
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(signal (car err) (cdr err))))))
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(defun oni-eshell--enable-truncating-buffers ()
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"Add `eshell-truncate-buffer' to `eshell-output-filter-functions'."
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(add-to-list 'eshell-output-filter-functions 'eshell-truncate-buffer))
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(defun oni-eshell--enable-xterm-filter ()
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"Add ‘xterm-color-filter’ to ‘eshell-preoutput-filter-functions’."
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(add-to-list 'eshell-preoutput-filter-functions 'xterm-color-filter))
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(defun oni-eshell--disable-ansi-color-handling ()
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"Remove ‘eshell-handle-ansi-color’ from ‘eshell-output-filter-functions’."
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(setq eshell-output-filter-functions
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(remove 'eshell-handle-ansi-color eshell-output-filter-functions)))
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(defun oni-eshell--expand-keymap ()
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"Set `C-d' to quit eshell if used at end of prompt."
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(define-key eshell-mode-map (kbd "C-d") #'oni-eshell--C-d)
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(define-key eshell-mode-map (kbd "C-c b") #'oni-eshell-goto-buffer-directory))
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(defun oni-eshell--set-xterm-variables ()
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"Set ‘xterm-color-preserve-properties’ to t."
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(setq xterm-color-preserve-properties t))
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(defun oni-eshell-fix-esh-autosuggest-active-keymap ()
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"Set ‘company-posframe-active-map’ to ‘esh-autosuggest-active-map’."
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(setq-local company-posframe-active-map esh-autosuggest-active-map))
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(defun oni-eshell-goto-buffer-directory (buffer-name)
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"Change the current directory to the given BUFFER-NAME’s directory."
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(interactive
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(list (read-buffer "Switch to buffer’s directory: "
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nil t (lambda (buf)
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(let ((b (if (consp buf)
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(cdr buf)
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(get-buffer buf))))
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(buffer-file-name b))))))
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(eshell/cd (file-name-directory (buffer-file-name (get-buffer buffer-name))))
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(eshell-reset))
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(defun oni-eshell-shorten-directories (path)
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"Shorten PATH to a list of unique shortened directory names."
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(let* ((directories (split-string path "/" t))
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(new-path
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(string-join
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(mapcar (lambda (d)
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(let ((name (substring d 0 1))
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(length 1))
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(while (cl-find-if (lambda (s) (and (not (string= s d))
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(string-prefix-p name s)))
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directories)
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(setq name (substring d 0 (cl-incf length))))
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name))
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directories) "/")))
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(if (string-prefix-p "~" new-path)
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new-path
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(concat "/" new-path))))
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(add-hook 'eshell-before-prompt-hook #'oni-eshell--set-xterm-variables)
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(add-hook 'eshell-first-time-mode-hook #'oni-eshell--expand-keymap)
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(add-hook 'eshell-load-hook #'oni-eshell--disable-ansi-color-handling)
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(add-hook 'eshell-load-hook #'oni-eshell--enable-truncating-buffers)
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(add-hook 'eshell-load-hook #'oni-eshell--enable-xterm-filter)
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(add-hook 'eshell-mode-hook 'esh-autosuggest-mode)
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(add-hook 'eshell-mode-hook 'eshell-syntax-highlighting-mode)
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(add-hook 'eshell-mode-hook 'goto-address-mode)
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(add-hook 'esh-autosuggest-mode-hook #'oni-eshell-fix-esh-autosuggest-active-keymap)
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(when (display-graphic-p)
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(add-hook 'eshell-mode-hook 'eshell-fringe-status-mode))
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(setenv "TERM" "xterm-256color")
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(add-to-list 'display-buffer-alist
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'("\\`\\*eshell" display-buffer-in-side-window
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(side . bottom)
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(slot . 0)
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(window-height . 0.33)))
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;;;###autoload(with-eval-after-load 'eshell (require 'oni-eshell))
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(provide 'oni-eshell)
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;;; oni-eshell.el ends here
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