From cc9f61f40347786659922508afeb6c6daa55088a Mon Sep 17 00:00:00 2001
From: Seth Flynn <getchoo@tuta.io>
Date: Sat, 1 Feb 2025 07:08:04 -0500
Subject: nixos/determinate: add nix.custom.conf

---
 modules/nixos/traits/determinate.nix | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'modules/nixos/traits/determinate.nix')

diff --git a/modules/nixos/traits/determinate.nix b/modules/nixos/traits/determinate.nix
index 459b128..11e637e 100644
--- a/modules/nixos/traits/determinate.nix
+++ b/modules/nixos/traits/determinate.nix
@@ -15,9 +15,14 @@ in
   config = lib.mkIf cfg.enable (
     lib.mkMerge [
       (lib.mkIf cfg.determinate-nixd.enable {
-        environment.systemPackages = [
-          package
-        ];
+        environment = {
+          # `determinate-nixd` overrides /etc/nix/nix.conf with it's own
+          etc."nix/nix.custom.conf" = { inherit (config.environment.etc."nix/nix.conf") source; };
+
+          systemPackages = [
+            package
+          ];
+        };
 
         systemd = {
           services.nix-daemon.serviceConfig = {
-- 
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