nix repl --file with no specified file crashes nix-your-shell

[lf-]

originally reported by @Janik-Haag

The application panicked (crashed).
Message:  index out of bounds: the len is 2 but the index is 2
Location: src/nix.rs:128

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.

[9999years]

In my defense, this crashes nix too:

$ nix repl --file
error: flag '--file' requires 1 argument(s), but only 0 were given
Try 'nix --help' for more information.

[lf-]

hey i would expect it to segfault the daemon during evaluation to really be in character as nix :P