hm:

{ configuration
, pkgs
, inputs ? { }
}:

with pkgs.lib;
let
  collectFailed = cfg:
    map (x: x.message) (filter (x: !x.assertion) cfg.assertions);

  showWarnings = res:
    let
      f = w: x: builtins.trace "warning: ${w}" x;
    in
    fold f res res.config.warnings;

  extendedLib = import "${hm}/modules/lib/stdlib-extended.nix" pkgs.lib;

  hmModules =
    import "${hm}/modules/modules.nix" {
      inherit pkgs;
      check = true;
      useNixpkgsModule = false;
      lib = extendedLib;
    };

  rawModule = extendedLib.evalModules {
    modules = [ configuration ] ++ hmModules;
    specialArgs = {
      inherit inputs;
      modulesPath = "${hm}/modules";
    };
  };

  module = showWarnings (
    let
      failed = collectFailed rawModule.config;
      failedStr = concatStringsSep "\n" (map (x: "- ${x}") failed);
    in
    if failed == [ ]
    then rawModule
    else throw "\nFailed assertions:\n${failedStr}"
  );

in
module.config.home.activationPackage