these 3 derivations will be built:
  /nix/store/00i0jfkirmfcgkm8d9yb247314y3gzcl-test-neovim-0.12.6-via-override-init.vim.drv
  /nix/store/px6lh3d2m37yqd2mvia94xjwmhjwpmqk-test-neovim-0.12.6-via-override-init.lua.drv
  /nix/store/wrvghs21qnm42jih9imxpvf17prhqziq-test-neovim-0.12.6-via-override.drv