using 24.05 to download mypaint from cache

flake.nix

@@ -2,6 +2,7 @@
   description = "JawZ NixOS flake setup";
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nixpkgs-paint.url = "github:nixos/nixpkgs?ref=nixos-24.05";
     ucodenix.url = "github:e-tho/ucodenix";
     doom-emacs.url = "github:marienz/nix-doom-emacs-unstraightened";
     jawz-scripts = {
@@ -39,10 +40,14 @@
     let
       inherit (self) outputs;
       system = "x86_64-linux";
-      pkgs = import inputs.nixpkgs {
-        inherit system;
-        config.allowUnfree = true;
-      };
+      mkpkgs =
+        repo:
+        import repo {
+          inherit system;
+          config.allowUnfree = true;
+        };
+      pkgs = mkpkgs inputs.nixpkgs;
+      pkgsP = mkpkgs inputs.nixpkgs-paint;
       lib = inputs.nixpkgs.lib // inputs.home-manager.lib;
       createConfig =
         name:
@@ -54,7 +59,7 @@
           modules = [
             {
               nixpkgs.overlays = [
-                (import ./overlay.nix { inherit pkgs; })
+                (import ./overlay.nix { inherit pkgs pkgsP; })
                 inputs.doom-emacs.overlays.default
               ];
             }