doomemacs/modules/config/literate/init.el
2019-03-29 03:40:56 -04:00

50 lines
1.9 KiB
EmacsLisp

;;; config/literate/init.el -*- lexical-binding: t; -*-
(defvar +literate-config-file
(expand-file-name "config.org" doom-private-dir)
"The file path of your literate config file.")
(defvar +literate-config-cache-file
(expand-file-name "literate-last-compile" doom-cache-dir)
"The file path that `+literate-config-file' will be tangled to, then
byte-compiled from.")
;;
(defun +literate-tangle (&optional force-p)
"Tangles `+literate-config-file' if it has changed."
(let ((default-directory doom-private-dir)
(org +literate-config-file))
(when (or force-p (file-newer-than-file-p org +literate-config-cache-file))
(message "Compiling your literate config...")
(let* ((org (file-truename +literate-config-file))
(dest (concat (file-name-sans-extension org) ".el")))
(or (and (if (fboundp 'org-babel-tangle-file)
(org-babel-tangle-file org dest "emacs-lisp")
;; We tangle in a separate, blank process because loading it
;; here would load all of :lang org (very expensive!).
(zerop (call-process
"emacs" nil nil nil
"-q" "--batch" "-l" "ob-tangle" "--eval"
(format "(org-babel-tangle-file %S %S \"emacs-lisp\")"
org dest))))
;; Write the cache file to serve as our mtime cache
(with-temp-file +literate-config-cache-file
(message "Done!")))
(warn "There was a problem tangling your literate config!"))))))
;; Let 'er rip!
(when noninteractive
(require 'ob-tangle nil t))
(+literate-tangle (or doom-reloading-p noninteractive))
;; No need to load the resulting file. Doom will do this for us after all
;; modules have finished loading.
;; Recompile our literate config if we modify it
(after! org
(add-hook 'after-save-hook #'+literate|recompile-maybe))