{
  description = "nixos flake";


  inputs = {
    # nix unstable packages cuz defaults are kinda outdated for my taste
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

    # nix packages fresh from git. no idea why i'm putting this here but shh
    nixpkgs-master.url = "github:NixOS/nixpkgs/master";

    # extra packages, such as updated custom linux kernel.
    # see https://github.com/chaotic-cx/nyx for more details
    chaotic.url = "github:chaotic-cx/nyx/nyxpkgs-unstable";

    # hardware configs
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
  };

  outputs = { self, nixpkgs, chaotic, ... }@inputs: {
    nixosConfigurations.thonkpad = nixpkgs.lib.nixosSystem {
      system = "x86_64-linux";
      modules = [
        # import the original configuration.nix
        ./configuration.nix

        # nyx's defauly modules
        chaotic.nixosModules.default
      ];
    };
  };
}