this derivation will be built:
  /nix/store/nhri4g0qlvzclgcx63qmcr1clhw9jkm1-nix-shell.drv
this path will be fetched (2.1 MiB download, 5.5 MiB unpacked):
  /nix/store/2wdl8204rm1sgd31hxf24ykgw0jhrfnd-just-1.58.0