these 3 paths will be fetched (6.6 MiB download, 29.9 MiB unpacked):
  /nix/store/4gfaly69c5k9rd0yisimyc9i1vkagiga-cli-smoke-test
  /nix/store/xwfm51zbv0biivgzkqj9mnl6fhcrai22-postgresql-15.19
  /nix/store/spgraxpq4jq2s0syryx3wvgq1pmlbf3i-postgresql-15.19-lib