From c704f6bb4e884c5c5670f08dd3f5daedd18d5772 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 28 Mar 2014 16:52:08 +0100
Subject: [PATCH] VM tests: Run hwclock in the initrd

Needed for the installer tests, since otherwise mounting a filesystem
may fail as it has a last-mounted date in the future.

http://hydra.nixos.org/build/9846712
---
 nixos/modules/virtualisation/qemu-vm.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nixos/modules/virtualisation/qemu-vm.nix b/nixos/modules/virtualisation/qemu-vm.nix
index a866b513f0f..80bc71bbb8c 100644
--- a/nixos/modules/virtualisation/qemu-vm.nix
+++ b/nixos/modules/virtualisation/qemu-vm.nix
@@ -291,6 +291,11 @@ in
         if test -z "$FSTYPE"; then
             mke2fs -t ext4 /dev/vda
         fi
+
+        # Set the system time from the hardware clock to work around a
+        # bug in qemu-kvm > 1.5.2 (where the VM clock is initialised
+        # to the *boot time* of the host).
+        hwclock -s
       '';
 
     boot.initrd.postMountCommands =