emacs/early-init.el

206 lines
8.7 KiB
EmacsLisp

;;; early-init.el -*- lexical-binding: t; coding: utf-8-unix -*-
;; Author: Case Duckworth <acdw@acdw.net>
;; Created: Sometime during Covid-19, 2020
;; Keywords: configuration
;; URL: https://tildegit.org/acdw/emacs
;; This file is NOT part of GNU Emacs.
;;; License:
;; Everyone is permitted to do whatever with this software, without
;; limitation. This software comes without any warranty whatsoever,
;; but with two pieces of advice:
;; - Don't hurt yourself.
;; - Make good choices.
;;; Comentary:
;; Starting with Emacs 27.1, `early-init' is sourced before `package'
;; or any frames. So those are the settings I run in this file.
;;; Code:
;;; Add `acdw.el'
(push (expand-file-name "lisp/" user-emacs-directory)
load-path)
(require 'acdw)
(require 'acdw-frame)
;;; Speed up init
;; see doom-emacs, et al.
(setq acdw/orig-file-name-handler-alist file-name-handler-alist
file-name-handler-alist nil
gc-cons-percentage 0.8
gc-cons-threshold most-positive-fixnum
load-prefer-newer noninteractive)
(add-hook 'after-init-hook
(defun after-init@reset ()
"Reset `file-name-handler-alist' and garbage collection."
(setq gc-cons-percentage 0.1
gc-cons-threshold (* 800 1024 1024))
(dolist (handler file-name-handler-alist)
(add-to-list 'acdw/orig-file-name-handler-alist handler))
(setq file-name-handler-alist acdw/orig-file-name-handler-alist)))
;;; Frame settings
(setq default-frame-alist ; Remove most UI
`((tool-bar-lines . 0) ; No tool bar
(menu-bar-lines . 0) ; No menu bar
(vertical-scroll-bars) ; No scroll bars
(horizontal-scroll-bars) ; ... at all
(width . 84) ; A /little/ wider than
; `fill-column' (set later)
(height . 30)
(left-fringe . 8) ; Width of fringes
(right-fringe . 8) ; (8 is default)
(font . ,(acdw/system
(:home "DejaVu Sans Mono 10")
(:work "Consolas 12")
(:other "monospace 10"))))
frame-inhibit-implied-resize t ; Don't resize randomly
frame-resize-pixelwise t ; Resize by pixels, not chars
inhibit-x-resources t ; Don't load ~/.Xresources
)
(add-hook 'after-init-hook
(defun after-init@disable-ui-modes ()
"Disable UI modes after init.
I already disable them from the `default-frame-alist' for speed
and anti-flickering reasons, but this function allows running,
say, `tool-bar-mode' once to toggle the tool bar back on."
(dolist (mode ;; each mode is of the form (MODE . FRAME-ALIST-VAR)
'((tool-bar-mode . tool-bar-lines)
(menu-bar-mode . menu-bar-lines)
(scroll-bar-mode . vertical-scroll-bars)
(horizontal-scroll-bar-mode . horizontal-scroll-bars)))
(let ((setting (alist-get (cdr mode) default-frame-alist)))
(when (or (not setting)
(zerop setting))
(funcall (car mode) -1))))))
(add-hook 'after-make-frame-functions
(defun after-make-frame@setup (&rest args)
(ignore args)
(let ((monospace-faces
(acdw/system
(:work '((:font "Consolas" :height 110)
(:font "DejaVu Sans Mono" :height 110)
(:font "monospace" :height 110)))
(_ '((:font "DejaVu Sans Mono" :height 100)
(:font "Consolas" :height 100)
(:font "monospace" :height 100))))))
(acdw/set-first-face-attribute 'default monospace-faces)
(acdw/set-first-face-attribute 'fixed-pitch monospace-faces)
(acdw/set-first-face-attribute 'variable-pitch
'((:font "Inter" :height 120)
(:font "sans-serif"
:height 100))))
(acdw/set-emoji-fonts "Segoe UI Emoji"
"Noto Color Emoji"
"Apple Color Emoji"
"Symbola")
(acdw/set-fringes '((left-curly-arrow [#b01100000
#b00110000
#b00011000
#b00001100]
4 8 center)
(right-curly-arrow [#b00000011
#b00000110
#b00001100
#b00011000]
4 8 center)
(left-arrow [#b01100000
#b01010000]
2 8 (top t))
(right-arrow [#b00000011
#b00000101]
2 8 (top t))))
(setq indicate-empty-lines nil
indicate-buffer-boundaries '((top . right)
(bottom . right)))
(custom-set-faces '(fringe ((t (:foreground "dim gray")))))))
(add-hook 'server-after-make-frame-hook #'after-make-frame@setup)
;; I have this here because ... the first frame doesn't ? run ? the hook ???
(add-function :after after-focus-change-function
(defun after-focus-change@first-frame-setup (&rest args)
(ignore args)
(after-make-frame@setup)
(remove-function after-focus-change-function
#'after-focus-change@first-frame-setup)))
;;; Bootstrap package manager (`straight.el')
;; 1. Update `exec-path'.
(dolist (path (list (expand-file-name "bin" user-emacs-directory)
(expand-file-name "~/bin")
(expand-file-name "~/.local/bin")
(expand-file-name "~/usr/bin")
(expand-file-name "~/cmd")
(expand-file-name "~/mingw64/bin")
(expand-file-name "~/clisp-2.49"))
exec-path)
(when (file-exists-p path)
(add-to-list 'exec-path path :append)))
;; 1.5. Update $PATH to reflect changes.
(setenv "PATH" (mapconcat #'identity exec-path path-separator))
;; 2. Set `package' and `straight' variables.
(setq package-enable-at-startup nil
package-quickstart nil
straight-host-usernames '((github . "duckwork")
(gitlab . "acdw"))
straight-base-dir (acdw/dir)
straight-check-for-modifications '(check-on-save find-when-checking))
;; 3. Bootstrap `straight'.
(defvar bootstrap-version)
(let ((bootstrap-file
(expand-file-name
"straight/repos/straight.el/bootstrap.el"
straight-base-dir))
(bootstrap-version 5))
(unless (file-exists-p bootstrap-file)
(with-current-buffer
(url-retrieve-synchronously
(concat "https://raw.githubusercontent.com/"
"raxod502/straight.el/develop/install.el")
'silent 'inhibit-cookies)
(goto-char (point-max))
(eval-print-last-sexp)))
(load bootstrap-file nil 'nomessage))
;; Helper package, good commands here.
(require 'straight-x)
;; Appendix. Get rid of a dumb alias.
;; straight-ಠ_ಠ-mode really slows down all minibuffer completion functions.
;; Since it's a (rarely-used, even) alias anyway, I just define it back to nil.
;; By the way, the alias is `straight-package-neutering-mode'.
(defalias 'straight-ಠ_ಠ-mode nil)
;;; Message startup time for profiling
;; This just redefines the Emacs function
;; `display-startup-echo-area-message', so no hooks needed.
(defun display-startup-echo-area-message ()
"Show Emacs's startup time in the message buffer. For profiling."
(message "Emacs ready in %s with %d garbage collections."
(format "%.2f seconds"
(float-time (time-subtract after-init-time
before-init-time)))
gcs-done))
;;; `setup'
(straight-use-package '(setup :host nil :repo "https://git.sr.ht/~pkal/setup"))
(require 'setup)
(require 'acdw-setup)
;;; `no-littering'
(setup (:straight no-littering)
(:option no-littering-etc-directory (acdw/dir)
no-littering-var-directory (acdw/dir))
(require 'no-littering))
;;; early-init.el ends here