meow lucy should commit more often xd

lib/default.nix

@@ -16,16 +16,43 @@ rec {
   loadInstance =
     extraModules: instance: instanceConfigs:
     nixpkgs.lib.nixosSystem {
-      specialArgs = { inherit inputs instanceConfigs; instanceConfig = instance; };
+      specialArgs = {
+        inherit inputs instanceConfigs;
+        instanceConfig = instance;
+      };
       modules =
         instance.modules
         ++ extraModules
         ++ [
-          {
-            nixpkgs.overlays = [ self.overlays.default ];
-            nixpkgs.config.allowUnfree = true;
-            networking.hostName = instance.hostName;
-          }
+          (
+            { pkgs, ... }:
+            {
+
+              nixpkgs.overlays = [
+                (final: prev: {
+                  inherit (final.unstable.lixPackageSets.latest)
+                    nixpkgs-review
+                    nix-direnv
+                    nix-eval-jobs
+                    nix-fast-build
+                    colmena
+                    ;
+                })
+              ];
+
+              nix.package = pkgs.unstable.lixPackageSets.latest.lix;
+            }
+          )
+          (
+            { pkgs, ... }:
+            {
+              nixpkgs.overlays = [
+                self.overlays.default
+              ];
+              nixpkgs.config.allowUnfree = true;
+              networking.hostName = instance.hostName;
+            }
+          )
         ];
     };
 }