From 245baeb2f63796f5001272c78224d0669df33a26 Mon Sep 17 00:00:00 2001
From: aszlig <aszlig@redmoonstudios.org>
Date: Mon, 15 Dec 2014 07:33:56 +0100
Subject: [PATCH] nixos/virtualbox: Note about "vboxusers" group.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
---
 nixos/modules/programs/virtualbox-host.nix | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/programs/virtualbox-host.nix b/nixos/modules/programs/virtualbox-host.nix
index c0cf49e2aacf..9b0446c1047c 100644
--- a/nixos/modules/programs/virtualbox-host.nix
+++ b/nixos/modules/programs/virtualbox-host.nix
@@ -12,7 +12,18 @@ in
 
 {
   options.services.virtualboxHost = {
-    enable = mkEnableOption "VirtualBox Host support";
+    enable = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Whether to enable host-side support for VirtualBox.
+
+        <note><para>
+          In order to pass USB devices from the host to the guests, the user
+          needs to be in the <literal>vboxusers</literal> group.
+        </para></note>
+      '';
+    };
 
     addNetworkInterface = mkOption {
       type = types.bool;