these 2 derivations will be built:
  /nix/store/qlw63d7pqhgwc2bsp4skycs6msh4ccc3-Handy_aarch64.app.tar.gz.drv
  /nix/store/45sfn3kdx4d8rxwid5mmdavw7mygxbfk-handy-0.9.7.drv