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;;; literate.el --- My literate configuration setup -*- lexical-binding: t; -*-
;; Copyright (C) 2023 Aryadev Chavali
;; Author: Aryadev Chavali <aryadev@aryadevchavali.com>
;; Keywords:
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(defun +literate/filter (predicate list)
(if (null list)
nil
(let ((first (car list))
(rest (cdr list)))
(if (funcall predicate first)
(cons first (+literate/filter predicate rest))
(+literate/filter predicate rest)))))
(defun +literate/org-p (filename)
(string= "org" (file-name-extension filename)))
(defun +literate/el-p (filename)
(string= "el" (file-name-extension filename)))
(defconst +literate/org-files
(+literate/filter
#'+literate/org-p
(mapcar #'(lambda (file) (concat user-emacs-directory file))
(cddr (directory-files user-emacs-directory)))))
(defconst +literate/output-files
(mapcar #'(lambda (x) (replace-regexp-in-string ".org" ".el" x)) +literate/org-files))
(defconst +literate/elisp-files
`(,(concat user-emacs-directory "early-init.el")
,(concat user-emacs-directory "init.el")
,@+literate/output-files
,@(mapcar
#'(lambda (name) (concat user-emacs-directory "elisp/" name))
;; Only take .el files
(+literate/filter
#'+literate/el-p
(cddr (directory-files (concat user-emacs-directory "elisp/")))))))
;; Setup predicates and loading
(defun +literate/--reduce-bool (bools init)
(if (= (length bools) 0)
init
(+literate/--reduce-bool (cdr bools) (and (car bools) init))))
(defun +literate/output-files-exist ()
"Checks if output files exist, for compilation purposes."
(if (< 1 (length +literate/output-files))
(+literate/--reduce-bool (mapcar #'file-exists-p +literate/output-files) t)
(file-exists-p (car +literate/output-files))))
(defun +literate/load-config ()
"Load the first file in +literate/output-files."
(interactive)
(load-file (concat user-emacs-directory "config.el")))
(autoload #'org-babel-tangle-file "ob-tangle")
(defun +literate/tangle-if-old (org-file)
(let ((output-file (replace-regexp-in-string ".org" ".el" org-file)))
(message "Tangle(%s)->%s" org-file output-file)
(if (or (not (file-exists-p output-file)) (file-newer-than-file-p org-file output-file))
(org-babel-tangle-file org-file))))
(defun +literate/byte-compile-if-old (el-file)
(let ((output-file (replace-regexp-in-string ".el" ".elc" el-file)))
(if (file-newer-than-file-p el-file output-file)
(byte-compile-file el-file))))
(defun +literate/compile-config ()
"Compile all files in +literate/org-files via org-babel-tangle."
(interactive)
(message "Compiling files...")
(mapc #'+literate/tangle-if-old +literate/org-files)
(message "Files compiled")
(message "Byte-compiling literate files...")
(mapc #'+literate/byte-compile-if-old +literate/output-files)
(message "Literate files byte-compiled")
(message "Byte compiling init.el, early-init.el, *.org~>*.el elisp/*")
(mapc #'+literate/byte-compile-if-old +literate/elisp-files)
(message "Finished byte-compiling"))
(provide 'literate)
;;; literate.el ends here
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