;;; GNU Guix --- Functional package management for GNU
;;; Copyright ?? 2022 Petr Hodina <phodina@protonmail.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 services firmware)
  #:use-module (guix diagnostics)
  #:use-module (guix gexp)
  #:use-module (guix records)
  #:use-module (guix modules)
  #:use-module (guix i18n)
  #:use-module (guix ui)
  #:use-module (gnu services)
  #:use-module (gnu services base)
  #:use-module (gnu services shepherd)
  #:use-module (gnu packages firmware)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-26)
  #:use-module (srfi srfi-34)
  #:use-module (srfi srfi-35)
  #:use-module (ice-9 match)
  #:export (fwupd-configuration fwupd-service-type))


;;;
;;; Fwupd daemon.
;;;

(define-record-type* <fwupd-configuration> fwupd-configuration
                     make-fwupd-configuration fwupd-configuration?
                     (fwupd fwupd-configuration-fwupd
                            (default fwupd)))

(define fwupd-activation-service
  #~(begin
      (use-modules (guix build utils))
      (mkdir-p "/var/lib/fwupd")))

(define (fwupd-shepherd-service config)
  (shepherd-service (documentation "Run the fwupd daemon.")
                    (provision '(fwupd))
                    (requirement '(dbus-system udev))
                    (start #~(make-forkexec-constructor (list (string-append #$fwupd
                                                               "/libexec/fwupd/fwupd"))))
                    (stop #~(make-kill-destructor))))

(define fwupd-service-type
  (service-type (name 'fwupd)
                (default-value (fwupd-configuration))
                (extensions (list (service-extension activation-service-type
                                                     (const
                                                      fwupd-activation-service))
                                  (service-extension
                                   shepherd-root-service-type
                                   (compose list fwupd-shepherd-service))))
                (description
                 "Run @command{fwupd}, the Firmware update daemon.")))