these 2 derivations will be built:
  /nix/store/mmfzg0fhyg2zlj5r0f0mn2qhlx57qwig-neovim-ruby-env.drv
  /nix/store/3nd8jahffw7gwy3ckw0xxamhfqbbrwz6-neovim-0.12.6-with-lua-packages.drv