From abd0b3f411839ac83896a3a0c9150e3265031c06 Mon Sep 17 00:00:00 2001
From: "Ricardo M. Correia" <rcorreia@wizy.org>
Date: Fri, 30 May 2014 21:22:25 +0200
Subject: [PATCH] nixos.tests.installer: Attempt to fix race condition

Attempt to fix race condition in installer tests, especially the
grub1 test.

The latter was failing when running "parted /dev/sda ..." because
/dev/sda didn't exist yet.
---
 nixos/tests/installer.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 1c3fb148410c..98e8142a0dfd 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -147,6 +147,9 @@ let
             or die "bad `hello' output";
       ''}
 
+      # Wait for hard disks to appear in /dev
+      $machine->succeed("udevadm settle");
+
       # Partition the disk.
       ${createPartitions}