From b9992fa47eddbeb1f44088973f22ba99e8543aaa Mon Sep 17 00:00:00 2001
From: _cry64 <them@dobutterfliescry.net>
Date: Fri, 27 Mar 2026 13:05:49 +1000
Subject: [PATCH] add t2 firmware substitutor

---
 flake.nix                          |  3 +++
 hosts/modules/core/t2-firmware.nix | 16 ++++++++--------
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/flake.nix b/flake.nix
index cfb6e7f..21ad427 100644
--- a/flake.nix
+++ b/flake.nix
@@ -71,6 +71,9 @@
 
   nixConfig = {
     extra-experimental-features = "pipe-operators";
+    extra-trusted-substituters = ["https://cache.soopy.moe"];
+    extra-substituters = ["https://cache.soopy.moe"];
+    extra-trusted-public-keys = ["cache.soopy.moe-1:0RZVsQeR+GOh0VQI9rvnHz55nVXkFardDqfm4+afjPo="];
   };
 
   outputs = {cerulean, ...} @ inputs:
diff --git a/hosts/modules/core/t2-firmware.nix b/hosts/modules/core/t2-firmware.nix
index 086ff80..345e969 100644
--- a/hosts/modules/core/t2-firmware.nix
+++ b/hosts/modules/core/t2-firmware.nix
@@ -7,15 +7,15 @@
     inputs.nixos-hardware.nixosModules.apple-t2
   ];
 
-  environment.systemPackages = with pkgs; [
-    # t2-firmware dependencies
-    # REF: https://github.com/t2linux/nixos-t2-iso
-    python3
-    dmg2img
-    # get-apple-firmware
-  ];
+  nix.settings = {
+    trusted-substituters = [
+      "https://t2linux.cachix.org"
+    ];
+    trusted-public-keys = [
+      "t2linux.cachix.org-1:P733c5Gt1qTcxsm+Bae0renWnT8OLs0u9+yfaK2Bejw="
+    ];
+  };
 
-  hardware = {
     apple.touchBar.enable = true;
 
     # REF: https://github.com/NixOS/nixos-hardware/blob/master/apple/t2/default.nix