From b2f2d2fef32ea89e8e4dc0a21243e84a6ced43aa Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Wed, 17 Feb 2016 12:02:52 +0000
Subject: [PATCH] Fix azure image, by adding subformat=fixed to disk
 generation.

---
 nixos/modules/virtualisation/azure-image.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/virtualisation/azure-image.nix b/nixos/modules/virtualisation/azure-image.nix
index 08944e641d7..7093e50ed35 100644
--- a/nixos/modules/virtualisation/azure-image.nix
+++ b/nixos/modules/virtualisation/azure-image.nix
@@ -23,7 +23,7 @@ in
           postVM =
             ''
               mkdir -p $out
-              ${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -O vpc $diskImage $out/disk.vhd
+              ${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -O vpc -o subformat=fixed $diskImage $out/disk.vhd
               rm $diskImage
             '';
           diskImageBase = "nixos-image-${config.system.nixosLabel}-${pkgs.stdenv.system}.raw";