this derivation will be built:
  /nix/store/a38yzgd8zp2f8fahzqflipizw2dl7197-nix-shell.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/pv63hidqfbkqk0yiyhlc48fh55y3wnaw-clan-cli