emacs-config/early-init.el

66 lines
3.4 KiB
EmacsLisp

;;; Bootstrap elpaca
(setq package-enable-at-startup nil)
;; for guix emacs-next packages you can find the date with
;; ➜ stat /gnu/store/*emacs-next-[23]*.drv | rg Birth | cut -d' ' -f3 | tr -d '-'
;; 20240727
;;
;; it is possible there are more so probably the most recent one is the one to use.
(setq elpaca-core-date "20241111")
(defvar elpaca-installer-version 0.8)
(defvar elpaca-directory (expand-file-name "elpaca/" user-emacs-directory))
(defvar elpaca-builds-directory (expand-file-name "builds/" elpaca-directory))
(defvar elpaca-repos-directory (expand-file-name "repos/" elpaca-directory))
(defvar elpaca-order '(elpaca :repo "https://github.com/progfolio/elpaca.git"
:ref nil :depth 1
:files (:defaults "elpaca-test.el" (:exclude "extensions"))
:build (:not elpaca--activate-package)))
(let* ((repo (expand-file-name "elpaca/" elpaca-repos-directory))
(build (expand-file-name "elpaca/" elpaca-builds-directory))
(order (cdr elpaca-order))
(default-directory repo))
(add-to-list 'load-path (if (file-exists-p build) build repo))
(unless (file-exists-p repo)
(make-directory repo t)
(when (< emacs-major-version 28) (require 'subr-x))
(condition-case-unless-debug err
(if-let* ((buffer (pop-to-buffer-same-window "*elpaca-bootstrap*"))
((zerop (apply #'call-process `("git" nil ,buffer t "clone"
,@(when-let* ((depth (plist-get order :depth)))
(list (format "--depth=%d" depth) "--no-single-branch"))
,(plist-get order :repo) ,repo))))
((zerop (call-process "git" nil buffer t "checkout"
(or (plist-get order :ref) "--"))))
(emacs (concat invocation-directory invocation-name))
((zerop (call-process emacs nil buffer nil "-Q" "-L" "." "--batch"
"--eval" "(byte-recompile-directory \".\" 0 'force)")))
((require 'elpaca))
((elpaca-generate-autoloads "elpaca" repo)))
(progn (message "%s" (buffer-string)) (kill-buffer buffer))
(error "%s" (with-current-buffer buffer (buffer-string))))
((error) (warn "%s" err) (delete-directory repo 'recursive))))
(unless (require 'elpaca-autoloads nil t)
(require 'elpaca)
(elpaca-generate-autoloads "elpaca" repo)
(load "./elpaca-autoloads")))
(add-hook 'after-init-hook #'elpaca-process-queues)
(elpaca `(,@elpaca-order))
;; Enable :elpaca use-package keyword.
(elpaca elpaca-use-package
(elpaca-use-package-mode))
;; tangling to generate scripts for the local bin directory. This
;; causes the name of the scripts to be returned in the car of the
;; tangle command which is used to load the file. The net result is
;; that not the initialization is loaded, but the first exported
;; script.
(use-package ob-tangle)
(let ((src (concat user-emacs-directory "init.org"))
(tgt (concat user-emacs-directory "init.el"))
(enable-local-variables nil)) ;; disable local variables to prevent asking confirmation before frame is available
(when (file-newer-than-file-p src tgt)
(message "tangling init.org")
(delete-file tgt)
(org-babel-tangle-file src tgt "emacs-lisp")))