From 64d4fe982b19440925895cf18e4be0385bcaaeeb Mon Sep 17 00:00:00 2001
From: Petr Hodina <phodina@protonmail.com>
Date: Wed, 14 Dec 2022 23:23:48 +0100
Subject: [PATCH v5 1/4] gnu: Add bolt-service-type.

* gnu/services/linux.scm (bolt-service-type): New variable.

diff --git a/gnu/services/linux.scm b/gnu/services/linux.scm
index 60e2093e1d..3d0cb80b8b 100644
--- a/gnu/services/linux.scm
+++ b/gnu/services/linux.scm
@@ -5,6 +5,7 @@
 ;;; Copyright © 2021 raid5atemyhomework <raid5atemyhomework@protonmail.com>
 ;;; Copyright © 2021 B. Wilson <elaexuotee@wilsonb.com>
 ;;; Copyright © 2022 Josselin Poiret <dev@jpoiret.xyz>
+;;; Copyright © 2021-2022 Petr Hodina <phodina@protonmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -29,15 +30,21 @@ (define-module (gnu services linux)
   #:use-module (guix i18n)
   #:use-module (guix ui)
   #:use-module (gnu services)
+  #:use-module (gnu services dbus)
   #:use-module (gnu services base)
   #:use-module (gnu services shepherd)
+  #:use-module (gnu system shadow)
   #:use-module (gnu packages linux)
   #: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 (earlyoom-configuration
+  #:export (boltd-configuration
+            boltd-configuration?
+            boltd-service-type
+
+            earlyoom-configuration
             earlyoom-configuration?
             earlyoom-configuration-earlyoom
             earlyoom-configuration-minimum-available-memory
@@ -65,6 +72,52 @@ (define-module (gnu services linux)
             zram-device-configuration-priority
             zram-device-service-type))
 
+
+;;;
+;;; Thunderbolt daemon.
+;;;
+
+(define-record-type* <boltd-configuration>
+  boltd-configuration make-boltd-configuration boltd-configuration?
+  (package boltd-configuration-package ; package
+           (default bolt)))
+
+(define boltd-activation-service
+  #~(begin
+      (use-modules (guix build utils))
+      (mkdir-p "/var/lib/boltd")))
+
+(define (boltd-shepherd-service config)
+  (shepherd-service (documentation "Run the boltd daemon.")
+                    (provision '(boltd))
+                    (requirement '(dbus-system udev))
+                    (start #~(make-forkexec-constructor (list (string-append #$bolt
+                                                               "/libexec/boltd"))))
+                    (stop #~(make-kill-destructor))))
+
+(define (boltd-udev-rule config)
+  (let ((package (boltd-configuration-package config)))
+  (file->udev-rule "90-bolt.rules" (file-append package
+  "/lib/udev/rules.d/90-bolt.rules"))))
+
+
+(define boltd-service-type
+  (service-type (name 'boltd)
+                (default-value (boltd-configuration))
+   (extensions
+    (list (service-extension udev-service-type
+			     (compose list boltd-udev-rule))
+	  (service-extension dbus-root-service-type
+	  (compose list boltd-configuration-package))
+                (service-extension activation-service-type
+                                                     (const
+                                                      boltd-activation-service))
+                                  (service-extension
+                                   shepherd-root-service-type
+                                   (compose list boltd-shepherd-service))))
+                (description
+                 "Run @command{boltd}, the Thunderbolt daemon.")))
+
 
 ;;;
 ;;; Early OOM daemon.
-- 
2.38.1