this derivation will be built:
  /nix/store/4nlf3fmpz694ysia87p8fy94082slfvd-nix-shell.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/bfypi21phfi7dfxd3zkw60s5axjxn5sn-clan-cli