;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 David Craven <david@craven.ch>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu bootloader extlinux)
  #:use-module (gnu bootloader)
  #:use-module (gnu packages bootloaders)
  #:use-module (guix gexp)
  #:use-module </td></tr></table>
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* 10 timeout))
            #$@(map menu-entry->gexp all-entries)

            #$@(if (pair? old-entries)
                   #~((format port "~%")
                      #$@(map menu-entry->gexp old-entries)
                      (format port "~%"))
                   #~())))))

  (computed-file "extlinux.conf" builder
                 #:options '(#:local-build? #t
                             #:substitutable? #f)))




;;;
;;; Install procedures.
;;;

(define (install-extlinux mbr)
  #~(lambda (bootloader device mount-point)
      (let ((extlinux (string-append bootloader "/sbin/extlinux"))
            (install-dir (string-append mount-point "/boot/extlinux"))
            (syslinux-dir (string-append bootloader "/share/syslinux")))
        (for-each (lambda (file)
                    (install-file file install-dir))
                  (find-files syslinux-dir "\\.c32$"))
        (invoke/quiet extlinux "--install" install-dir)
        (write-file-on-device (string-append syslinux-dir "/" #$mbr)
                              440 device 0))))

(define install-extlinux-mbr
  (install-extlinux "mbr.bin"))

(define install-extlinux-gpt
  (install-extlinux "gptmbr.bin"))



;;;
;;; Bootloader definitions.
;;;

(define extlinux-bootloader
  (bootloader
   (name 'extlinux)
   (package syslinux)
   (installer install-extlinux-mbr)
   (configuration-file "/boot/extlinux/extlinux.conf")
   (configuration-file-generator extlinux-configuration-file)))

(define extlinux-bootloader-gpt
  (bootloader
   (inherit extlinux-bootloader)
   (installer install-extlinux-gpt)))