From 3f922834b8ed953738aa27c3ad855c8731539d2c Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Wed, 20 May 2020 17:59:23 +0530
Subject: [PATCH] nixos/lib/make-disk-image.nix: abritary format input

Pass unrecognized format types as the output file extension to
qemu-img. The motivation is support for "vdi" output.
---
 nixos/lib/make-disk-image.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/lib/make-disk-image.nix b/nixos/lib/make-disk-image.nix
index 4806fe9dbac71..8aa606a56af80 100644
--- a/nixos/lib/make-disk-image.nix
+++ b/nixos/lib/make-disk-image.nix
@@ -71,7 +71,7 @@ let format' = format; in let
     vdi   = "vdi";
     vpc   = "vhd";
     raw   = "img";
-  }.${format};
+  }.${format} or format;
 
   rootPartition = { # switch-case
     legacy = "1";