this derivation will be built:
  /nix/store/3al7q57fk05i3y7q3gy7jdj3z9df5y9x-postgresql-17.11-src-17.11.drv
this path will be fetched (2.2 KiB download, 8.0 KiB unpacked):
  /nix/store/1mhb7ani3xdqcfrmnclxad5ydijscy4i-bzip2-1.0.8-dev