From f666aa7479f2e4902fb4819c0e85b874bb501e3e Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 11 Aug 2009 02:02:01 +0000
Subject: [PATCH] * With "nixos-rebuild build-vm", override the video driver of
   the host (since e.g. "nvidia" won't work in the VM).

svn path=/nixos/trunk/; revision=16663
---
 modules/virtualisation/qemu-vm.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/virtualisation/qemu-vm.nix b/modules/virtualisation/qemu-vm.nix
index a5329b0d297..742bef873fc 100644
--- a/modules/virtualisation/qemu-vm.nix
+++ b/modules/virtualisation/qemu-vm.nix
@@ -126,4 +126,9 @@ in
     ''
       EnableSendFile Off
     '';
+
+  # When building a regular system configuration, override whatever
+  # video driver the host uses.
+  services.xserver.videoDriver = pkgs.lib.mkOverride 50 {} "vesa";
+  services.xserver.defaultDepth = pkgs.lib.mkOverride 50 {} 16;
 }