From e3127e8c14bc9942b7b4d9424385097bc1f2af0d Mon Sep 17 00:00:00 2001
From: Bryton Hall <email@bryton.io>
Date: Sun, 28 Aug 2022 15:02:49 -0400
Subject: [PATCH] allow docker image/tag to be empty string

This is a work-around to allow evaluation for docs.
It shouldn't have any real effect but should be properyl implemented at some point.
---
 modules/docker.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/docker.nix b/modules/docker.nix
index c033dff..7a35af4 100644
--- a/modules/docker.nix
+++ b/modules/docker.nix
@@ -34,13 +34,13 @@ in {
           name = mkOption {
             description = "Desired docker image name";
             type = types.str;
-            default = builtins.unsafeDiscardStringContext config.image.imageName;
+            default = if config.image != null then builtins.unsafeDiscardStringContext config.image.imageName else "";
           };
 
           tag = mkOption {
             description = "Desired docker image tag";
             type = types.str;
-            default = builtins.unsafeDiscardStringContext config.image.imageTag;
+            default = if config.image != null then builtins.unsafeDiscardStringContext config.image.imageTag else "";
           };
 
           registry = mkOption {