diff options
Diffstat (limited to '.config/emacs/early-init.el')
| -rw-r--r-- | .config/emacs/early-init.el | 170 |
1 files changed, 83 insertions, 87 deletions
diff --git a/.config/emacs/early-init.el b/.config/emacs/early-init.el index dc8b6c2..d4ee43c 100644 --- a/.config/emacs/early-init.el +++ b/.config/emacs/early-init.el @@ -1,113 +1,109 @@ ;;; early-init.el --- Emacs early init file -*- lexical-binding: t; -*- -(defmacro x-set (&rest body) - (declare (indent 0)) - (unless (zerop (% (length body) 2)) - (error "Uneven number of variable+value pairs")) - (macroexp-progn - (mapcar - (lambda (pair) - `(customize-set-variable ,(macroexp-quote (car pair)) ,(cadr pair))) - (seq-split body 2)))) - -(defconst 1-KiB 1024 - "The number of bytes in 1 kibibyte") - -(defconst 1-MiB (* 1-KiB 1024) - "The number of bytes in 1 mebibyte.") - -(defconst 1-GiB (* 1-MiB 1024) - "The number of bytes in 1 gibibyte.") - -(defconst x-cache-directory +;;; XDG Base Directory Specification Compliance +(defconst mm-cache-directory (expand-file-name "emacs" (or (getenv "XDG_CACHE_HOME") (expand-file-name ".cache" (getenv "HOME")))) "The XDG-conformant cache directory that Emacs should use.") -(defconst x-config-directory +(defconst mm-config-directory (expand-file-name "emacs" (or (getenv "XDG_CONFIG_HOME") (expand-file-name ".config" (getenv "HOME")))) "The XDG-conformant config directory that Emacs should use.") -(defconst x-data-directory +(defconst mm-data-directory (expand-file-name "emacs" (or (getenv "XDG_DATA_HOME") (expand-file-name ".local/share" (getenv "HOME")))) "The XDG-conformant data directory that Emacs should use.") -;; Create standard Emacs directories -(dolist (dir (list x-cache-directory - x-config-directory - x-data-directory)) - (make-directory dir 'parents)) - -(x-set - user-emacs-directory x-cache-directory - auto-save-list-file-prefix (expand-file-name - "auto-save-list/" x-cache-directory) - backup-directory-alist `(("." . ,(expand-file-name - "backups" x-cache-directory)))) - -(push x-config-directory load-path) +(mapc (lambda (directory) + (make-directory directory :parents)) + (list mm-cache-directory mm-config-directory mm-data-directory)) +(setopt user-emacs-directory mm-cache-directory + auto-save-list-file-prefix (expand-file-name + "auto-save-lismm-" + mm-cache-directory) + backup-directory-alist `(("." . ,(expand-file-name + "backups" mm-cache-directory)))) (when (native-comp-available-p) (startup-redirect-eln-cache - (expand-file-name (expand-file-name "eln/" x-cache-directory)))) - -;; Temporarily set some variables to improve startup performance. We -;; undo this in a following hook -(let ((saved-file-name-handler-alist file-name-handler-alist) - (saved-vc-handled-backends vc-handled-backends)) - (x-set - gc-cons-threshold most-positive-fixnum - gc-cons-percentage .5 - file-name-handler-alist nil - vc-handled-backends nil) - (add-hook 'emacs-startup-hook - (lambda () - (x-set - gc-cons-threshold (* 8 1-MiB) - gc-cons-percentage 0.1 - file-name-handler-alist saved-file-name-handler-alist - vc-handled-backends saved-vc-handled-backends)))) - -(x-set read-process-output-max - (let ((pipe-size-file "/proc/sys/fs/pipe-max-size")) - (if (file-exists-p pipe-size-file) - (with-temp-buffer - (insert-file-contents pipe-size-file) - (number-at-point)) - 1-MiB))) - -(menu-bar-mode -1) + (expand-file-name (expand-file-name "eln/" mm-cache-directory)))) + + +;;; Useful Constants + +(defconst mm-darwin-p (eq system-type 'darwin) + "This variable is non-nil if Emacs is running on a Darwin system.") + + +;;; Basic Frame Settings + +(setopt frame-resize-pixelwise t + frame-inhibit-implied-resize t + ring-bell-function #'ignore + use-short-answers t + inhibit-splash-screen t + inhibit-startup-buffer-menu t) +(if mm-darwin-p + (progn + (add-to-list 'default-frame-alist '(fullscreen . maximized)) + (when (featurep 'ns) + (add-to-list 'default-frame-alist '(ns-transparent-titlebar . t)))) + (menu-bar-mode -1)) (scroll-bar-mode -1) (tool-bar-mode -1) -(x-set - frame-resize-pixelwise t - frame-inhibit-implied-resize t - frame-title-format '("%b") - ring-bell-function #'ignore - use-dialog-box t - use-file-dialog nil - use-short-answers t - inhibit-splash-screen t - inhibit-startup-screen t - inhibit-x-resources t - inhibit-startup-echo-area-message user-login-name - inhibit-startup-buffer-menu t) - -;; Avoid the initial flash of white light when starting emacs -(setq mode-line-format nil) -(set-face-attribute 'default nil - :background "#2B303B" - :foreground "#C5C8C6") -(set-face-attribute 'mode-line nil - :background "#2B303B" - :foreground "#C5C8C6" - :box 'unspecified) + +;;; Startup Performance + +(setopt gc-cons-threshold most-positive-fixnum + gc-cons-percentage 0.5) +(setopt read-process-output-max + (let ((pipe-size-file "/proc/sys/fs/pipe-max-size")) + (if (file-exists-p pipe-size-file) + (with-temp-buffer + (insert-file-contents pipe-size-file) + (number-at-point)) + (* 1024 1024)))) + +;; Set ‘file-name-handler-alist’ and ‘vc-handled-backends’ to nil +;; temporarily and restore them over Emacs has properly initialized. We +;; set threshold to 8 MiB which seems to be a good middleground for now. +;; A higher threshold means less garbage collections but I’ve had issues +;; with those garbage collections causing long freezes when they occur. +(let ((saved-file-name-handler-alist file-name-handler-alist) + (saved-vc-handled-backends vc-handled-backends)) + (setopt file-name-handler-alist nil + vc-handled-backends nil) + (add-hook + 'emacs-startup-hook + (defun mm-restore-emacs-settings () + (setopt gc-cons-threshold (* 1024 1024 8) + gc-cons-percentage 0.1 + file-name-handler-alist saved-file-name-handler-alist + vc-handled-backends saved-vc-handled-backends)))) + + +;;; Avoid Flashbang + +(setq-default mode-line-format nil) ; This will be set in init.el + +;; Colors taken from ‘mango-theme’ +(let ((background "#2B303B") + (foreground "#C5C8C6")) + (set-face-attribute + 'default nil + :background background + :foreground foreground) + (set-face-attribute + 'mode-line nil + :background background + :foreground foreground + :box 'unspecified)) |