these 3 derivations will be built:
  /nix/store/wjw7jig0a10ql1nivgqv36q4q4s56ivy-packdir-start.drv
  /nix/store/qcwgjq3jx3gdp9jd8w8zcys7zjmq8fc9-vim-pack-dir.drv
  /nix/store/k1969hw5n3a7hg22jnim94i2yhrvbaad-neovim-0.12.5-with-ftplugin.drv