this derivation will be built:
  /nix/store/pmladq7r8lcvhw5sacc38m733i1q8fj4-nix-shell.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/nj46875qq3xfvfalmvccn0nscw1vsgfx-clan-cli