these 2 paths will be fetched (2.1 KiB download, 6.4 KiB unpacked):
  /nix/store/sj73q46vbjyh9v7c6pjq9wnnzylaa4w3-pg-extensions-catalog
  /nix/store/5m73dwlflrkc06s2mvlz9q3sxk0pja1g-site-extensions-catalog