From 180ccfa366ead8bfa0c255eee19a733420c9a45c Mon Sep 17 00:00:00 2001
From: Craige McWhirter <craige.mcwhirter@iohk.io>
Date: Mon, 15 Mar 2021 09:12:55 +1000
Subject: [PATCH] Set builders to use caches

---
 profiles/host_common.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/profiles/host_common.nix b/profiles/host_common.nix
index 9175978..84d052c 100644
--- a/profiles/host_common.nix
+++ b/profiles/host_common.nix
@@ -63,7 +63,8 @@
     };
     autoOptimiseStore = true;
     extraOptions = ''
-      show-trace = true   # Enable --show-trace by default for nix
+      show-trace = true                 # Enable --show-trace by default for nix
+      builders-use-substitutes = true   # Set builders to use caches
     '';
     trustedUsers = ["craige"];
   };