this derivation will be built:
  /nix/store/qwrs15xcx2fcgk2clqfngi1bi8x2vzrg-nix-shell.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/agcvjr8n1rv45pj8z0jisq5g0bdrgd4l-clan-cli