From dbc4543812ab9cee01ed800d2da91a644aa65be3 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Tue, 12 Mar 2019 21:24:44 -0400
Subject: [PATCH] nixos/virtualbox: add swap file

Puts 2G swap in /var/swap of OVA. This serves as backup when you hit
the memory cap for the image.

Fixes #57171 and fixes #22696
---
 nixos/modules/virtualisation/virtualbox-image.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nixos/modules/virtualisation/virtualbox-image.nix b/nixos/modules/virtualisation/virtualbox-image.nix
index 037c0d2f0d82..a9cb61c7164a 100644
--- a/nixos/modules/virtualisation/virtualbox-image.nix
+++ b/nixos/modules/virtualisation/virtualbox-image.nix
@@ -99,6 +99,11 @@ in {
     boot.growPartition = true;
     boot.loader.grub.device = "/dev/sda";
 
+    swap.swapDevices = {
+      device = "/var/swap";
+      size = 2048;
+    };
+
     virtualisation.virtualbox.guest.enable = true;
 
   };