this derivation will be built:
  /nix/store/zpvrq9mvf6sr91nrh0mrifxb6hv0srkq-nix-shell.drv
this path will be fetched (13.8 MiB download, 40.4 MiB unpacked):
  /nix/store/7qi3caa290zmhzrs8z4zzvfmi5ncm87x-gh-2.103.3