Merge commit '9480bae337095fd24f61380bce3174fdfe926a00'

This is the last nixos-unstable release before 13b2903169f, which I'm a
bit nervous about.  So I want the update including that one to be as
small as possible, hence going to this one first.

1 files changed, 2 insertions, 1 deletions

diff --git a/nixpkgs/nixos/lib/make-disk-image.nix b/nixpkgs/nixos/lib/make-disk-image.nix
index 5e86ea479d51..9364aab32770 100644
--- a/nixpkgs/nixos/lib/make-disk-image.nix
+++ b/nixpkgs/nixos/lib/make-disk-image.nix
@@ -39,7 +39,7 @@
 
 , name ? "nixos-disk-image"
 
-, # Disk image format, one of qcow2, qcow2-compressed, vpc, raw.
+, # Disk image format, one of qcow2, qcow2-compressed, vdi, vpc, raw.
   format ? "raw"
 }:
 
@@ -57,6 +57,7 @@ let format' = format; in let
 
   filename = "nixos." + {
     qcow2 = "qcow2";
+    vdi   = "vdi";
     vpc   = "vhd";
     raw   = "img";
   }.${format};