From 9dadfc354132074e71bb99fdcc561dc1549c70e7 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 23 May 2012 15:40:31 +0000
Subject: [PATCH] * Mark QEMU VMs as NixOS machines.

svn path=/nixos/trunk/; revision=34217
---
 modules/virtualisation/qemu-vm.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/virtualisation/qemu-vm.nix b/modules/virtualisation/qemu-vm.nix
index add88753f009..098c2944c1b6 100644
--- a/modules/virtualisation/qemu-vm.nix
+++ b/modules/virtualisation/qemu-vm.nix
@@ -274,6 +274,10 @@ in
 
   boot.initrd.postMountCommands =
     ''
+      # Mark this as a NixOS machinex.
+      mkdir -p $targetRoot/etc
+      echo -n > $targetRoot/etc/NIXOS
+    
       # Fix the permissions on /tmp.
       chmod 1777 $targetRoot/tmp