Move GNU Emacs configs from ./ into .emacs.d/
[~bandali/configs] / .emacs.d / lisp / bandali-eshell.el
diff --git a/.emacs.d/lisp/bandali-eshell.el b/.emacs.d/lisp/bandali-eshell.el
new file mode 100644 (file)
index 0000000..820dc05
--- /dev/null
@@ -0,0 +1,86 @@
+;;; bandali-eshell.el --- bandali's Eshell setup     -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2018-2020  Amin Bandali
+
+;; 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 awesome Eshell setup.
+
+;;; Code:
+
+(with-eval-after-load 'eshell
+  (make-directory (b/etc "eshell/") t)
+  (csetq
+   eshell-aliases-file (b/etc "eshell/aliases")
+   eshell-directory-name (b/var "eshell/")
+   eshell-hist-ignoredups t
+   eshell-input-filter #'eshell-input-filter-initial-space
+   eshell-prompt-regexp "\\(.*\n\\)*[$#] "
+   eshell-prompt-function
+   (lambda ()
+     (concat
+      (propertize (format "%s@%s:" (user-login-name) (system-name))
+                  'face 'default)
+      (propertize (abbreviate-file-name default-directory)
+                  'face 'font-lock-comment-face)
+      (propertize "\n" 'face 'default)
+      (if (= (user-uid) 0)
+          (propertize "#" 'face 'red)
+        (propertize "$" 'face 'default))
+      (propertize " " 'face 'default))))
+  (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))
+  (defun b/eshell-setup ()
+    (make-local-variable 'company-idle-delay)
+    (defvar company-idle-delay)
+    (eval-when-compile
+      (defvar eshell-mode-map)
+      (defvar eshell-hist-mode-map))
+    (setq company-idle-delay nil)
+    ;; local key bindings
+    (define-key eshell-mode-map (kbd "C-d")
+      #'b/eshell-quit-or-delete-char)
+    (define-key eshell-mode-map (kbd "C-S-l")
+      #'b/eshell-clear)
+    (define-key eshell-mode-map (kbd "M-r")
+      #'counsel-esh-history)
+    ;; (define-key eshell-mode-map [tab]
+    ;;   #'company-complete)
+    (define-key eshell-hist-mode-map (kbd "M-r")
+      #'counsel-esh-history)))
+;; global key bindings
+(global-set-key (kbd "C-c a s e") #'eshell)
+;; hooks
+(add-hook 'eshell-mode-hook #'b/eshell-setup)
+
+(provide 'bandali-eshell)
+;;; bandali-eshell.el ends here