Shayne's budget Flake

{
  description = "My NixOS configuration with stable + unstable";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = { self, nixpkgs, nixpkgs-unstable, ... }@inputs:
    let
      system = "x86_64-linux";

      unstablePkgs = import nixpkgs-unstable {
        inherit system;
        config = { allowUnfree = true; };
      };

      pkgs = import nixpkgs {
        inherit system;
        config = { allowUnfree = true; };
      };

      packages = import ./packages.nix { inherit pkgs unstablePkgs; };
    in
    {
      nixosConfigurations.laptop = nixpkgs.lib.nixosSystem {
        inherit system;

        modules = [
          ./configuration.nix
          { environment.systemPackages = packages.all; }
        ];

        pkgs = pkgs;
      };
    };
}