modernize and move eshell configuration to extras.el. remove eshell-setup.el. use paredit by default in lisp and elisp modes

elisp/eshell-setup.el

@@ -1,4 +0,0 @@
-(require 'esh-mode)
-(add-to-list 'eshell-preoutput-filter-functions 'xterm-color-filter)
-(setq eshell-output-filter-functions
-      (remove 'eshell-handle-ansi-color eshell-output-filter-functions))

elisp/extras.el

@@ -72,22 +72,27 @@
 ;; Read feeds
 (use-package elfeed)
 
-;; Programming environment
+;; Eshell configuration
 ;; We need colors in eshell
 (use-package xterm-color)
 
 (use-package eshell
   :straight (:type built-in)
-  :hook (eshell-mode . (lambda ()
-                         (setenv "TERM" "xterm-256color")))
-  :hook (eshell-before-prompt . (lambda ()
-				  (setq xterm-color-preserve-properties t)))
-  :hook (eshell-mode . (lambda ()
-                         (progn
-                           (define-key eshell-hist-mode-map (kbd "<up>") nil)
-                           (define-key eshell-hist-mode-map (kbd "<down>") nil))))
+  :hook ((eshell-mode . (lambda ()
+                          (setenv "TERM" "xterm-256color")))
+         ;; remove up and down from history keymap so we can use them to move up and
+         ;; down like in a normal text
+         (eshell-mode . (lambda ()
+                          (keymap-set eshell-hist-mode-map "<up>" nil)
+                          (keymap-set eshell-hist-mode-map "<down>" nil)))
+         (eshell-before-prompt . (lambda ()
+				   (setq xterm-color-preserve-properties t))))
   :config
-  (load "~/.emacs.d/elisp/eshell-setup.el"))
+  (require 'esh-mode)
+  (add-to-list 'eshell-preoutput-filter-functions 'xterm-color-filter)
+  (setq eshell-output-filter-functions
+        (remove 'eshell-handle-ansi-color eshell-output-filter-functions)))
+
 
 ;; eat terminal emulator:
 (use-package eat
@@ -98,7 +103,9 @@
                            "*.ti" ("terminfo/e" "terminfo/e/*")
                            ("terminfo/65" "terminfo/65/*")
                            ("integration" "integration/*")
-                           (:exclude ".dir-locals.el" "*-tests.el"))))
+                           (:exclude ".dir-locals.el" "*-tests.el")))
+  :hook ((eshell-first-time-mode . eat-eshell-mode)
+         (eshell-first-time-mode . eat-eshell-visual-command-mode)))
 
 ;; git
 (use-package magit
@@ -126,7 +133,8 @@
   :config
   (load "~/.emacs.d/elisp/slime-setup.el"))
 
-(use-package paredit)
+(use-package paredit
+  :hook ((lisp-mode emacs-lisp-mode) . paredit-mode))
 
 ;; Clojure
 (use-package cider)