these 3 derivations will be built:
  /nix/store/82kdqdjzc1n6rk6s3ni8dy7kkyais978-test-neovim-0.12.5-via-override-init.vim.drv
  /nix/store/s2nqgalp22iax3sfg06mq4hrdnmidndc-test-neovim-0.12.5-via-override-init.lua.drv
  /nix/store/9lyf9xsm3ryb4i9yy2jsvqd2jddivk7m-test-neovim-0.12.5-via-override.drv