{ inputs, ... }:
{

  perSystem =
    { pkgs, system, ... }:
    with pkgs;
    let
      legacy_2311 = import inputs.nixpkgs-legacy_2311 { inherit system; };
    in
    {
      packages.pkl = callPackage ./pkl { };
      packages.otpmenu = callPackage ./otpmenu { };
      #packages.sononym = callPackage ./sononym { };
      #packages.sononym-crawler = callPackage ./sononym-crawler { };
      packages.taskwarrior-hooks = callPackage ./taskwarrior-hooks { };

      # overrides
      # ---------
      packages.nsxiv = (pkgs.nsxiv.override { conf = builtins.readFile ./nsxiv/config.def.h; });

      packages.bugwarrior = legacy_2311.python3Packages.bugwarrior.overrideAttrs (old: {
        version = "develop";
        src = pkgs.fetchFromGitHub {
          owner = "ralphbean";
          repo = "bugwarrior";
          rev = "6554e70c199cc766a2b5e4e4fe22e4e46d64bba1";
          sha256 = "sha256-cKhL8FBH7wxCxXrybVRLfCHQTCxursFqtBDl3e1UUXs=";
        };
        propagatedBuildInputs = old.propagatedBuildInputs ++ [
          legacy_2311.python3Packages.pydantic
          legacy_2311.python3Packages.tomli
          legacy_2311.python3Packages.email-validator
          legacy_2311.python3Packages.packaging
        ];
      });

    };
}