this derivation will be built:
  /nix/store/6hllqvss8wm383nlgw6kswziy3ms71z3-direnv-instant-1.2.0.drv
this path will be fetched (461.7 KiB download, 1.1 MiB unpacked):
  /nix/store/jmld4gz9x2rpjhjqigbzrz4nbyn4lhis-tmux-3.7b