From 45c40c4eb94b1176216ca2b466442b8029ca8b51 Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Thu, 14 Jan 2021 13:24:22 +0100
Subject: [PATCH] versioning: simplify assertion evaluation

---
 modules/versioning.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/versioning.nix b/modules/versioning.nix
index ff44728..f811779 100644
--- a/modules/versioning.nix
+++ b/modules/versioning.nix
@@ -93,6 +93,6 @@ in
 
   config = {
     # Force evaluation. An actual option value is never assigned
-    system.extraDependencies = optional (builtins.length incompatibleChanges > 0) (builtins.throw errorMsg);
+    system = optionalAttrs (builtins.length incompatibleChanges > 0) (builtins.throw errorMsg);
   };
 }