From 81aa38387723fc1dab31a405194ae75cbae89a04 Mon Sep 17 00:00:00 2001
From: Antoine Viallon <antoine@lesviallon.fr>
Date: Sat, 25 May 2024 13:43:08 +0200
Subject: [PATCH] [Hardware/AMD+Cachix] use ROCm cache only if AMD GPU hardware
 is enabled

---
 hardware/amd/amdgpu.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hardware/amd/amdgpu.nix b/hardware/amd/amdgpu.nix
index 8b991a3..1b57f11 100644
--- a/hardware/amd/amdgpu.nix
+++ b/hardware/amd/amdgpu.nix
@@ -63,6 +63,9 @@ in {
       "/dev/dri/renderD128?"
     ];
 
+    nix.settings.substituters = [ "https://nixos-rocm.cachix.org" ];
+    nix.settings.trusted-public-keys = [ "nixos-rocm.cachix.org-1:VEpsf7pRIijjd8csKjFNBGzkBqOmw8H9PRmgAq14LnE=" ];
+
     nixpkgs.overlays = [(final: prev: {
         # Overlay Blender to use the HIP build if we have a compatible AMD GPU
         blender = final.blender-hip;