From 68b0d2b6c530e2bb04a5fbf530ff925e0cb72de8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Lima?= <me@limwa.pt>
Date: Tue, 21 Apr 2026 21:57:15 +0100
Subject: [PATCH] nixos/virtualbox: deprecate virtualbox video driver for
 kernel 7.0+

---
 nixos/modules/hardware/video/virtualbox.nix | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/nixos/modules/hardware/video/virtualbox.nix b/nixos/modules/hardware/video/virtualbox.nix
index e7e557e9c327..614613d82d80 100644
--- a/nixos/modules/hardware/video/virtualbox.nix
+++ b/nixos/modules/hardware/video/virtualbox.nix
@@ -4,7 +4,18 @@ let
   inherit (config.services.xserver) videoDrivers;
 in
 {
-  boot.extraModulePackages = lib.mkIf (lib.elem "virtualbox" videoDrivers) [
-    kernelPackages.virtualboxGuestAdditions
-  ];
+  config = lib.mkIf (lib.elem "virtualbox" videoDrivers) {
+    assertions = [
+      {
+        assertion = lib.versionOlder kernelPackages.kernel.version "7.0";
+        message = ''
+          The `virtualbox` video driver provided by VirtualBox Guest Additions has been deprecated upstream for Linux kernel 7.0+.
+        '';
+      }
+    ];
+
+    boot.extraModulePackages = [
+      kernelPackages.virtualboxGuestAdditions
+    ];
+  };
 }