From 5321ff41f97b8ef55949c644bde82905c0ffc31b Mon Sep 17 00:00:00 2001
From: Christoph Hollizeck <christoph.hollizeck@hey.com>
Date: Wed, 22 Oct 2025 11:45:12 +0200
Subject: [PATCH] hydra: try to fix yggdrasil build

---
 modules/nixos/services/hydra/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/nixos/services/hydra/default.nix b/modules/nixos/services/hydra/default.nix
index b72696e..ba7884d 100644
--- a/modules/nixos/services/hydra/default.nix
+++ b/modules/nixos/services/hydra/default.nix
@@ -32,6 +32,9 @@ in
       port = cfg.httpPort;
       notificationSender = "hydra@localhost";
       useSubstitutes = true;
+      extraConfig = ''
+        allow-import-from-derivation = 1
+      '';
     };
   };
 }