From f92499d614d1d5b7bdd23b25012c010dca2381a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Wed, 25 Dec 2024 21:37:47 +0100
Subject: [PATCH] add / as substituter

If we can re-use the local nix store for installation, we can save time.
Especially --build-on-remote has to upload a lot of derivations twice.
---
 nix/nix-settings.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nix/nix-settings.nix b/nix/nix-settings.nix
index 21ea8f0..72c7968 100644
--- a/nix/nix-settings.nix
+++ b/nix/nix-settings.nix
@@ -5,7 +5,8 @@
   nix.settings.connect-timeout = 5;
 
   # Enable flakes
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.settings.extra-experimental-features = [ "nix-command" "flakes" ];
+  nix.settings.extra-substituters = [ "/" ];
 
   # The default at 10 is rarely enough.
   nix.settings.log-lines = lib.mkDefault 25;