[bug#45105] [PATCH] gnu: Add mbpfan service

[Niklas Eklund <niklas.eklund@posteo.net>]

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Hi,

this is a patch that adds the service for mbpfan. The mbpfan package
that exists in guix requires sudo rights to run. So I have been using
this service for a while and thought it was a good time to try to merge
it upstream :)

Cheers


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From 9773af047fc3ddb337a2d9ac346a1655d2bc11ee Mon Sep 17 00:00:00 2001
From: Niklas Eklund <niklas.eklund@posteo.net>
Date: Mon, 7 Dec 2020 20:53:07 +0100
Subject: [PATCH] gnu: Add mbpfan service.

* gnu/services/mbpfan.scm (mbpfan service): New variable.
---
 gnu/services/mbpfan.scm | 73 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 gnu/services/mbpfan.scm

diff --git a/gnu/services/mbpfan.scm b/gnu/services/mbpfan.scm
new file mode 100644
index 0000000000..425da6baab
--- /dev/null
+++ b/gnu/services/mbpfan.scm
@@ -0,0 +1,73 @@
+;;; 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))))
+
+;;; mbpfan.scm ends here
-- 
2.29.2