these 3 derivations will be built:
  /nix/store/mlr8nfaml6nl1pwwk0d1chmnyzn7yr20-test-neovim-0.12.6-via-override-init.vim.drv
  /nix/store/rnyyin4xsy9dl0nspkwyav39jrlqyiv7-test-neovim-0.12.6-via-override-init.lua.drv
  /nix/store/zzzvs0psv9hlsr5gffk7k60n8jgdhlmc-test-neovim-0.12.6-via-override.drv