this derivation will be built:
  /nix/store/fyl386b40c2zhv1dn0dnm5jigry0a6im-nix-shell.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/sbrxzx72hs3wcr5pilh6l4br222qg2hn-clan-cli