Pass package to demo config with overlay

demo/default.nix

@@ -1,4 +1,4 @@
-flake: { pkgs, ... }:
+{ pkgs, ... }:
 
 {
   system.stateVersion = "22.11";
@@ -17,7 +17,7 @@ flake: { pkgs, ... }:
   };
 
   # Put intake on both users' PATH
-  environment.systemPackages = [ flake.packages.${pkgs.stdenv.hostPlatform.system}.default ];
+  environment.systemPackages = [ pkgs.intake ];
 
   # Set up intake for both users with an entry point at port 8080
   services.intake = {

flake.nix

@@ -59,14 +59,20 @@
       description = "A basic intake source config";
     };
 
+    nixosModules.default = {
+      options = {};
+      config.nixpkgs.overlays = [ self.overlays.default ];
+    };
+
     nixosModules.intake = import ./module.nix self;
 
     nixosConfigurations."demo" = makeOverridable nixosSystem {
       inherit system;
       modules = [
         nixos-shell.nixosModules.nixos-shell
+        self.nixosModules.default
         self.nixosModules.intake
-        (import ./demo self)
+        ./demo
       ];
     };
   };