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Emacs Config

Early Init

Garbage Collection

The default Garbage Collector is triggered at 800 KB, way too conservative, let's bump to 512 MB. Garbage collection is a big contributor to startup times. This fends it off, then is reset later by enabling `gcmh-mode'. Not resetting it will cause stuttering/freezes.

;; -*- lexical-binding: t; -*-
(defvar default-file-name-handler-alist file-name-handler-alist)
(setq file-name-handler-alist nil)
(setq gc-cons-threshold (expt 2 32))

(add-hook 'emacs-startup-hook
          (lambda ()
            "Restore defalut values after init."
            (setq file-name-handler-alist default-file-name-handler-alist)
            (if (boundp 'after-focus-change-function)
                (add-function :after after-focus-change-function
                              (lambda ()
                                (unless (frame-focus-state)
                                  (garbage-collect))))
              (add-hook 'focus-out-hook 'garbage-collect))))

(setq native-comp-deferred-compilation nil)
(setq max-specpdl-size 1200)
(setq max-lisp-eval-depth 800)

(add-hook 'window-setup-hook
          (lambda ()
            (setq-default inhibit-redisplay nil
                          inhibit-message nil)
            (redisplay)))

Setup

Disable package.el, since we will be using straight.el. According to the straight.el documentation;

While it is technically possible to use both package.el and straight.el at the same time, there is no real reason to, and it might result in oddities like packages getting loaded more than once.

Either way, if you need to quickly install a package for testing, you can just run (straight-use-package) interactively.

(setq package-enable-at-startup nil)

Enhancements

Prioritize old byte-compiled source files over newer sources. It saves us a little IO time to skip all the mtime checks on each lookup.

(setq load-prefer-newer nil)
(set-language-environment "UTF-8")
(setq default-input-method nil)

;;; early-init.el ends here

Straight.el

For now, use straight.el until [[https://github.com/progfolio/elpaca ][elpaca]] is ready for production use.

Then bootstrap

(defvar bootstrap-version)
(let ((bootstrap-file
       (expand-file-name "straight/repos/straight.el/bootstrap.el" user-emacs-directory))
      (bootstrap-version 6))
  (unless (file-exists-p bootstrap-file)
    (with-current-buffer
        (url-retrieve-synchronously
         "https://raw.githubusercontent.com/radian-software/straight.el/develop/install.el"
         'silent 'inhibit-cookies)
      (goto-char (point-max))
      (eval-print-last-sexp)))
  (load bootstrap-file nil 'nomessage))

Misc Stuff 

;; (straight-use-package 'benchmark-init)
;; (require 'benchmark-init)
;; (add-hook 'after-init-hook 'benchmark-init/deactivate)

(setq vc-follow-symlinks t) ; Visit real file when editing a symlink without prompting.
(global-auto-revert-mode t) ; Revert buffer's file when the file changes on disk

(setq confirm-kill-emacs 'y-or-n-p)
(setq use-dialog-box nil)
(fset 'yes-or-no-p 'y-or-n-p)

(setq large-file-warning-threshold 100000000)
(setq backup-directory-alist `((".*" . ,(expand-file-name "backups" user-emacs-directory))))
(setq backup-by-copying t
      delete-old-versions t
      kept-new-versions 6
      kept-old-versions 2
      version-control t)

Visuals

Use Dashboard.el. First load `all-the-icons` for nicer rendering

(straight-use-package 'all-the-icons)
(straight-use-package 'dashboard)
(dashboard-setup-startup-hook)

(setq initial-buffer-choice (lambda () (get-buffer-create "*dashboard*")))
(setq dashboard-startup-banner 'logo)
(setq dashboard-center-content t)
(setq dashboard-set-file-icons t)
(setq dashboard-set-heading-icons t)
(add-hook 'dashboard-mode-hook (lambda () (setq-local line-spacing 12)))

Setup other stuff

(add-hook 'text-mode-hook (lambda () (setq fill-column 100) (turn-on-auto-fill)))

(setq-default display-line-numbers 'relative)
(make-variable-buffer-local 'global-hl-line-mode)

(dolist (mode '( dashboard-mode-hook org-mode-hook term-mode-hook eww-mode-hook vterm-mode-hook
                 eshell-mode-hook dired-mode-hook shell-mode-hook magit-mode-hook))
  (add-hook mode (lambda () (display-line-numbers-mode 0))))

(set-window-margins nil 0)
(setq-default right-fringe-width 10)
(setq scroll-margin 0
      scroll-conservatively 100000
      scroll-preserve-screen-position 1)

(global-hl-line-mode +1)
(column-number-mode +1)

(scroll-bar-mode -1)
(tool-bar-mode -1)
(menu-bar-mode -1)
(tooltip-mode -1)

(modify-all-frames-parameters
 '((right-divider-width . 5)
   (internal-border-width . 10)))

(setq inhibit-startup-screen t)

(straight-use-package 'doom-themes)
(setq custom-safe-themes t)
(load-theme 'doom-vibrant t)
;; (load-theme 'doom-flatwhite t)

(straight-use-package 'ligature)
(global-ligature-mode)

(straight-use-package 'highlight-quoted)
(add-hook 'emacs-lisp-mode-hook 'highlight-quoted-mode)

(straight-use-package 'nano-modeline)
(nano-modeline-mode)

Text 

(set-face-attribute 'default nil :font "Fira Code Nerd Font" :height 105)

(setq-default c-basic-offset 4) ;; This is annoying
(setq-default indent-tabs-mode nil)
(setq-default tab-width 4)
(setq-default line-spacing 5)
(setq indent-line-function 'insert-tab)
(set-default 'truncate-lines nil)
(set-default 'truncate-partial-width-windows nil)


(add-hook 'before-save-hook 'whitespace-cleanup)

Org Mode 

(require 'org)
(setq org-todo-keywords '((sequence "TODO" "IN-PROGRESS" "|" "DONE" "BACKLOG")))
(setq org-agenda-files '("~/todo.org"))
(straight-use-package 'org-bullets)
(defun joe/org-hook () (org-bullets-mode) (org-indent-mode))
(add-hook 'org-mode-hook 'joe/org-hook)
(require 'org-tempo)
(add-to-list 'org-structure-template-alist '("el" . "src emacs-lisp"))
(setq org-edit-src-content-indentation 0)

VEMCO (Vertico Embark Marginalia Consult Orderless) 

(straight-use-package '(vertico :files (:defaults "extensions/*") :includes (vertico-directory)))
;; :bind (:map vertico-map
;;             ("\M-G" . vertico-multiform-mode)
;;             ("\M-e" . embark-act)))

(vertico-mode)
(require 'savehist)
(savehist-mode)
(straight-use-package 'vertico-directory)
;; :bind (:map vertico-map
;;             ("RET" . vertico-directory-enter)
;;             ("DEL" . vertico-directory-delete-char)
;;             ("M-DEL" . vertico-directory-delete-word))
;; :hook (rfn-eshadow-update-overlay . vertico-directory-tidy))

(straight-use-package 'embark)
(straight-use-package 'embark-consult)

(straight-use-package 'marginalia)
(marginalia-mode)
(setq marginalia-annotators '(marginalia-annotators-heavy marginalia-annotators-light nil))
(straight-use-package 'consult)
(straight-use-package 'orderless)
(setq completion-styles '(orderless basic)
      completion-category-overrides '((file (styles basic partial-completion))))

Dirvish/Dired 

(straight-use-package 'dirvish)
(dirvish-override-dired-mode)
(setq delete-by-moving-to-trash t)
(setq dired-dwim-target t)
(dirvish-define-preview exa (file)
  "Use `exa' to generate directory preview."
  :require ("exa") ; tell Dirvish to check if we have the executable
  (when (file-directory-p file) ; we only interest in directories here
    `(shell . ("exa" "--color=always" "-al" ,file)))) ; use the command output as preview
(add-to-list 'dirvish-preview-dispatchers 'exa)
(setq dired-listing-switches "-l --almost-all --human-readable --time-style=long-iso --group-directories-first --no-group")
(setq dirvish-preview-dispatchers (cl-substitute 'pdf-preface 'pdf dirvish-preview-dispatchers))

Terminals/Shells 

(straight-use-package 'vterm)
(setq vterm-shell "/bin/fish")
(setq vterm-timer-delay 0.01)
(setq vterm-buffer-name-string "VTerm - %s")
(setq vterm-max-scrollback 100000)

Undo Tree 

(straight-use-package 'undo-tree)
(require 'undo-tree)
(global-undo-tree-mode)
(setq undo-tree-visualizer-diff t)
(setq undo-tree-history-directory-alist `(("." . ,(expand-file-name "undo" user-emacs-directory))))

Text Editor 

(straight-use-package 'meow)
(require 'meow)
(defun meow-setup ()
  (setq meow-cheatsheet-layout meow-cheatsheet-layout-qwerty)
  (meow-motion-overwrite-define-key
   '("j" . meow-next)
   '("k" . meow-prev)
   '("<escape>" . ignore))
  (meow-leader-define-key
   ;; SPC j/k will run the original command in MOTION state.
   '("j" . "H-j")
   '("k" . "H-k")
   ;; Use SPC (0-9) for digit arguments.
   '("1" . meow-digit-argument)
   '("2" . meow-digit-argument)
   '("3" . meow-digit-argument)
   '("4" . meow-digit-argument)
   '("5" . meow-digit-argument)
   '("6" . meow-digit-argument)
   '("7" . meow-digit-argument)
   '("8" . meow-digit-argument)
   '("9" . meow-digit-argument)
   '("0" . meow-digit-argument)
   '("/" . meow-keypad-describe-key)
   '("?" . meow-cheatsheet))
  (meow-normal-define-key
   '("0" . meow-expand-0)
   '("9" . meow-expand-9)
   '("8" . meow-expand-8)
   '("7" . meow-expand-7)
   '("6" . meow-expand-6)
   '("5" . meow-expand-5)
   '("4" . meow-expand-4)
   '("3" . meow-expand-3)
   '("2" . meow-expand-2)
   '("1" . meow-expand-1)
   '("-" . negative-argument)
   '(";" . meow-reverse)
   '("," . meow-inner-of-thing)
   '("." . meow-bounds-of-thing)
   '("[" . meow-beginning-of-thing)
   '("]" . meow-end-of-thing)
   '("a" . meow-append)
   '("A" . meow-open-below)
   '("b" . meow-back-word)
   '("B" . meow-back-symbol)
   '("c" . meow-change)
   '("d" . meow-delete)
   '("D" . meow-backward-delete)
   '("e" . meow-next-word)
   '("E" . meow-next-symbol)
   '("f" . meow-find)
   '("g" . meow-cancel-selection)
   '("G" . meow-grab)
   '("h" . meow-left)
   '("H" . meow-left-expand)
   '("i" . meow-insert)
   '("I" . meow-open-above)
   '("j" . meow-next)
   '("J" . meow-next-expand)
   '("k" . meow-prev)
   '("K" . meow-prev-expand)
   '("l" . meow-right)
   '("L" . meow-right-expand)
   '("m" . meow-join)
   '("n" . meow-search)
   '("o" . meow-block)
   '("O" . meow-to-block)
   '("p" . meow-yank)
   '("q" . meow-quit)
   '("Q" . meow-goto-line)
   '("r" . meow-replace)
   '("R" . meow-swap-grab)
   '("s" . meow-kill)
   '("t" . meow-till)
   '("u" . meow-undo)
   '("U" . meow-undo-in-selection)
   '("v" . meow-visit)
   '("w" . meow-mark-word)
   '("W" . meow-mark-symbol)
   '("x" . meow-line)
   '("X" . meow-goto-line)
   '("y" . meow-save)
   '("Y" . meow-sync-grab)
   '("z" . meow-pop-selection)
   '("'" . repeat)
   '("<escape>" . ignore)))
(meow-setup)
;; (meow-global-mode t)

Magit 

(straight-use-package 'magit)

COMMENT Local variables

;; Local Variables: ;; eval: (add-hook 'after-save-hook '(lambda () (org-babel-tangle)) nil t) ;; End: