this derivation will be built:
  /nix/store/cxqg31zgcm5s0l1sqz17i5hqv5klcn6x-postgresql-17.11-src-17.11.drv
this path will be fetched (2.2 KiB download, 8.0 KiB unpacked):
  /nix/store/6fmn7ddfy1ljng89m4i5b5ldcd4fzmbw-bzip2-1.0.8-dev