let
lib = (import <nixpkgs> {}).lib;
configuration = { pkgs, ... }: {
environment.systemPackages = [ pkgs.hello ];
};
eval = import <nixpkgs/nixos> { inherit configuration; };
in {
jobs = lib.listToAttrs (map (x: { name = x.name; value = x; }) eval.config.environment.systemPackages);
}