From 1b3a091faed092b4fd99b1fe7969405d04f8ec47 Mon Sep 17 00:00:00 2001
From: Fabian Hauser <fabian@fh2.ch>
Date: Sun, 8 Dec 2024 17:16:55 +0200
Subject: [PATCH] Remove self-hosted subsitution services from lindberg-build

---
 .../lindberg-build/applications/default.nix        | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/nixos-configurations/lindberg-build/applications/default.nix b/nixos-configurations/lindberg-build/applications/default.nix
index d38f4f0..84978fb 100644
--- a/nixos-configurations/lindberg-build/applications/default.nix
+++ b/nixos-configurations/lindberg-build/applications/default.nix
@@ -1,4 +1,9 @@
-{ config, pkgs, ... }:
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 {
 
   imports = [
@@ -8,4 +13,11 @@
 
   qois.git-ci-runner.enable = true;
   qois.postgresql.package = pkgs.postgresql_15;
+
+  # Remove substituters that are hosted on this node, to prevent lockups.
+  # The qois-infrastructure cache is not needed,
+  #  since the builds are done (and cached) on this host anyway.
+  nix.settings.substituters = lib.mkForce [
+    "https://cache.nixos.org?priority=40"
+  ];
 }