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

    custom-nixpkgs = {
      url = "github:lwndhrst/custom-nixpkgs";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, custom-nixpkgs }:
    let 
      system = "x86_64-linux";
      pkgs = import nixpkgs {
        inherit system;
        overlays = [ custom-nixpkgs.overlays.default ];
      };

    in {
      devShells.${system}.default = pkgs.mkShell {
        buildInputs = with pkgs; [
          customPkgs.odin
          customPkgs.ols
        ];
      };
    };
}