attempt to make github do the building for me :)

hosts/winter/default.nix

@@ -23,20 +23,22 @@
 
     ../../users/rin
   ];
-  nix = {
+  nix = rec {
     package = pkgs.nixUnstable;
+    binaryCaches = [
+      "https://cache.nixos.org?priority=10"
+      "https://lava.cachix.org"
+    ];
+    binaryCachePublicKeys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      "lava.cachix.org-1:8lTWI/3IKWHByzzYHZySunMPYs2eAJw2duL+uLZkSy0="
+    ];
+    trustedBinaryCaches = binaryCaches;
+
     extraOptions = ''
       experimental-features = nix-command flakes
     '';
   };
-  nixpkgs.overlays = with overlays; [
-    discord
-    linux
-    polybar
-    picom
-    wine-osu
-    winetricks
-  ];
   nixpkgs.config.allowUnfree = true;
 
   i18n.defaultLocale = "en_GB.UTF-8";

hosts/winter/kernel.nix

@@ -28,7 +28,7 @@
       "intel_pstate=passive"
       "msr.allow_writes=on"
     ];
-    kernelPackages = pkgs.lib.mkForce pkgs.linux-lava;
+    kernelPackages = pkgs.lib.mkForce (pkgs.linuxPackagesFor pkgs.linux-lava);
   };
   zramSwap.enable = true;
 }