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;;; Consfigurator -- Lisp declarative configuration management system

;;; Copyright (C) 2021  Sean Whitton <spwhitton@spwhitton.name>

;;; This file 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, or (at your option)
;;; any later version.

;;; This file 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 <http://www.gnu.org/licenses/>.

(in-package :consfigurator.property.grub)
(named-readtables:in-readtable :consfigurator)

(defmethod install-bootloader
    ((type (eql 'grub)) (volume opened-volume) running-on-target
     &key (target "i386-pc") force-extra-removable)
  (mrun :inform "update-initramfs" "-u")
  (let ((os-prober (and (not running-on-target)
                        (remote-exists-p "/etc/grub.d/30_os-prober"))))
    ;; work around Debian bug #802717
    (when os-prober (file:has-mode "/etc/grub.d/30_os-prober" #o644))
    (mrun :inform "update-grub")
    (when os-prober (file:has-mode "/etc/grub.d/30_os-prober" #o755)))
  (mrun :inform "grub-install" (strcat "--target=" target)
        (and (string-suffix-p target "-efi") (not running-on-target)
             "--no-nvram")
        (and force-extra-removable "--force-extra-removable")
        (device-file volume))
  (mrun "sync"))

(defmethod install-bootloader-binaries
    ((type (eql 'grub)) volume &key (target "i386-pc") &allow-other-keys)
  `(os:etypecase
       (debianlike
        (apt:installed
         "initramfs-tools"
         ,(eswitch (target :test #'string=)
            ("i386-pc" "grub-pc")
            ("x86_64-efi" "grub-efi-amd64"))))))