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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Niklas Eklund <niklas.eklund@posteo.net>
+;;;
+;;; 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 mbpfan)
+ #:use-module (gnu packages linux)
+ #:use-module (gnu services)
+ #:use-module (gnu services base)
+ #:use-module (gnu services shepherd)
+ #:use-module (guix gexp)
+ #:use-module (guix records)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 format)
+ #:use-module (guix modules)
+ #:export (mbpfan-service-type
+
+ mbpfan-configuration
+ mbpfan-configuration?))
+
+;;; Commentary:
+;;;
+;;; This module provides a service definition for the mbpfan.
+;;;
+;;; Code:
+
+(define-record-type* <mbpfan-configuration>
+ mbpfan-configuration make-mbpfan-configuration
+ mbpfan-configuration?
+ (log-file mbpfan-configuration-log-file ;string
+ (default "/var/log/mbpfan.log"))
+ (verbose? mbpfan-configuration-verbose? (default #f)))
+
+(define mbpfan-shepherd-service
+ (match-lambda
+ (($ <mbpfan-configuration> log-file verbose?)
+ (list
+ (shepherd-service
+ (documentation "Run the mbpfan daemon.")
+ (provision '(mbpfan))
+ (requirement '(syslogd))
+ (start #~(make-forkexec-constructor
+ (list #$(file-append mbpfan "/sbin/mbpfan")
+ "-f"
+ #$@(if verbose?
+ '("-v") ; verbose logging
+ '()))
+ #:log-file #$log-file))
+ (stop #~(make-kill-destructor)))))))
+
+(define mbpfan-service-type
+ (service-type
+ (name 'mbpfan)
+ (extensions
+ (list (service-extension shepherd-root-service-type
+ mbpfan-shepherd-service)))
+ (description
+ "Run the MacBook/Macbook Pro fan daemon.")
+ (default-value (mbpfan-configuration))))