From acb41a40246e2be295d3712ded235c07c5f02f60 Mon Sep 17 00:00:00 2001
From: Florian Pelz <pelzflorian@pelzflorian.de>
Date: Thu, 26 Mar 2020 15:19:21 +0100
Subject: services: gdm: Add gdm user to 'video' supplementary group.

This makes it possible to use gdm with the 'uvesafb' kernel module.
See <https://lists.gnu.org/archive/html/guix-devel/2020-03/msg00389.html>.

* gnu/services/xorg.scm (%gdm-accounts): Set supplementary groups.
---
 gnu/services/xorg.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index 09379d40c3..d0196a299e 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -798,6 +798,7 @@ the GNOME desktop environment.")
         (user-account
          (name "gdm")
          (group "gdm")
+         (supplementary-groups '("video"))
          (system? #t)
          (comment "GNOME Display Manager user")
          (home-directory "/var/lib/gdm")
-- 
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