From 5a13e950b2bd0860ee91bcd61a2a3c1a1ec0f616 Mon Sep 17 00:00:00 2001
From: Brice Waegeneire <brice@waegenei.re>
Date: Sat, 26 Jun 2021 18:54:51 +0200
Subject: gnu: brightnessctl: Fix installing udev rules.

* gnu/packages/linux.scm (brightnessctl)[arguments]: Preprend
"adjust-udev-rules" to force installation of udev rules.
---
 gnu/packages/linux.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 6214a6ff9e..00c9485d34 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -6446,6 +6446,8 @@ set the screen to be pitch black at a value of 0 (or higher).
          (delete 'configure)
          (add-after 'unpack 'adjust-udev-rules
            (lambda _
+             (substitute* "Makefile"
+               (("INSTALL_UDEV_RULES=0") "INSTALL_UDEV_RULES=1"))
              (substitute* "90-brightnessctl.rules"
                (("/bin/") "/run/current-system/profile/bin/"))
              #t)))))
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