nix-doom-emacs-unstraightened/build-helpers/full-init
2024-06-29 20:26:16 +10:00

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#!/usr/bin/env doomscript
;; -*- lexical-binding: t; -*-
;; Copyright 2024 Google LLC
;;
;; Licensed under the Apache License, Version 2.0 (the "License");
;; you may not use this file except in compliance with the License.
;; You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
;; Simple recursive walk of packages.el to extract (modulep! +flag)
;;
;; Does not cover (modulep! :cat mod +flag). That is: assumes each flag is
;; referenced at least once by shortened form in the module itself.
;;
;; No attempt at efficiency, but package.el files are small...
(defun walk-package-exp (l)
(cond ((not (consp l)) nil)
((and (= 2 (length l)) (eq 'modulep! (car l))) (cdr l))
(t (mapcan #'walk-package-exp l))))
(defcli! full-init
((output-directory ("-o" dir) "Directory to write init.el into.")
(&flag flags? ("--flags")))
"Write init.el with all modules."
(with-temp-buffer
(insert ";;; init.el -*- no-byte-compile: t; -*-
;;; Dynamically generated by nix-doom-emacs-unstraightened.
(doom!
")
(dolist (kp (doom-module-list 'all))
(let ((cat (car kp))
(name (cdr kp)))
(when name
(if-let ((flags?)
(packages-path (doom-module-locate-path
cat name doom-module-packages-file))
(tree (with-temp-buffer
(insert "(\n")
(insert-file-contents packages-path)
(goto-char (point-max))
(insert ")\n")
(goto-char (point-min))
(read (current-buffer))))
(flags (seq-uniq (walk-package-exp tree))))
(insert (format " %s %s\n" cat (cons name flags)))
(insert (format " %s %s\n" cat name))))))
(insert ")\n")
(write-region nil nil (expand-file-name "init.el" output-directory))))
(run! "full-init" (cdr (member "--" argv)))