these 4 derivations will be built:
  /nix/store/dm5b3sa6cxv94af32jd60m05k4x4w94a-nixidy-app-cilium.drv
  /nix/store/7gchs5rdpdh0pi5b7c5m3jd2fcl76yw1-nixidy-apps-joined-default.drv
  /nix/store/ydm1nj4yj47jx1c161pa6g4r612mn2cc-nixidy-extras-default.drv
  /nix/store/gr2ymyvcj0rk30q38bgs5czyfhs28jqw-nixidy-environment-default.drv