From 484feccb9f07b95b9bd9fb217a8232396d8edce7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Thu, 20 Nov 2025 12:40:09 +0100
Subject: [PATCH] nixos/facter: handle case where we do not have readOnly
 included

---
 nixos/modules/hardware/facter/system.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/hardware/facter/system.nix b/nixos/modules/hardware/facter/system.nix
index 32648f7d07e4..2019bfa522d3 100644
--- a/nixos/modules/hardware/facter/system.nix
+++ b/nixos/modules/hardware/facter/system.nix
@@ -8,7 +8,10 @@
   # Skip setting hostPlatform if it's read-only
   config.nixpkgs =
     lib.optionalAttrs
-      (config.hardware.facter.report.system or null != null && !options.nixpkgs.hostPlatform.readOnly)
+      (
+        config.hardware.facter.report.system or null != null
+        && !(options.nixpkgs.hostPlatform.readOnly or false)
+      )
       {
         hostPlatform = lib.mkDefault config.hardware.facter.report.system;
       };