From 7e2a4e00745a559946e052b9e009c7f05fc5ef6e Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Fri, 5 Jun 2020 23:23:42 -0400
Subject: [PATCH] systems/u-boot: additionalCommand is optional

Optional through a default.
---
 modules/system-types/u-boot/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/system-types/u-boot/default.nix b/modules/system-types/u-boot/default.nix
index 477b4f8f..02accdd0 100644
--- a/modules/system-types/u-boot/default.nix
+++ b/modules/system-types/u-boot/default.nix
@@ -172,6 +172,7 @@ in
       };
       additionalCommands = mkOption {
         type = types.str;
+        default = "";
         description = ''
           Additional U-Boot commands to run.
         '';