From 65d0b738ab8e25042f1568ed313b001101c3f628 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 17 Oct 2021 15:23:09 +0200
Subject: build-client: ...

---
 modules/build-client.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/build-client.nix b/modules/build-client.nix
index 1616918f..9924b751 100644
--- a/modules/build-client.nix
+++ b/modules/build-client.nix
@@ -106,6 +106,9 @@ in {
 
     nix = {
       distributedBuilds = true;
+      extraOptions = ''
+        builders-use-substitutes = true
+      '';
       buildMachines = mapAttrsToList (name: hCfg: { hostName = buildHostName name; inherit (hCfg) system systems maxJobs speedFactor mandatoryFeatures supportedFeatures; }) cfg;
     };
   };
-- 
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