{
  description = "Hydra's builtin hydra-eval-jobs as a standalone";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs";
  inputs.flake-utils.url = "github:numtide/flake-utils";

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
      in
      rec {
        packages.nix-eval-jobs = pkgs.callPackage ./hydra.nix {
          srcDir = self;
        };
        defaultPackage = self.packages.${system}.nix-eval-jobs;
        devShell = defaultPackage.overrideAttrs (old: {
          nativeBuildInputs = old.nativeBuildInputs ++ [
            (pkgs.python3.withPackages(ps: [
              ps.pytest
            ]))
          ];
        });
      });
}