[Bug]: Crash when in deleted directory

[aes]

What did you expect to happen?

Nothing, I guess? Or a warning.

Steps to reproduce:

1. mkdir fnord
2. cd fnord
3. rmdir ../fnord
4. atuin doctor

What happened?

$ xxxx xxx xxx
Error: could not load client settings

Caused by:
   0: cloud not load config file
   1: No such file or directory (os error 2)

Location:
    crates/atuin-client/src/settings.rs:834:16

Later, when reproducing:

$ Error: could not load client settings

Caused by:
   0: cloud not load config file
   1: No such file or directory (os error 2)

Location:
    crates/atuin-client/src/settings.rs:834:16
Error: could not load client settings

Caused by:
   0: cloud not load config file
   1: No such file or directory (os error 2)

Location:
    crates/atuin-client/src/settings.rs:834:16
zsh: command not found: Error:
zsh: command not found: Caused
zsh: command not found: 0:
zsh: unknown sort specifier
zsh: command not found: Location:
zsh: no such file or directory: crates/atuin-client/src/settings.rs:834:16

Atuin doctor output

$ atuin doctor
Error: could not load client settings

Caused by:
   0: cloud not load config file
   1: No such file or directory (os error 2)

Location:
    crates/atuin-client/src/settings.rs:834:16
Error: could not load client settings

Caused by:
   0: cloud not load config file
   1: No such file or directory (os error 2)

Location:
    crates/atuin-client/src/settings.rs:834:16

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[aes]

I can't believe how this project has come from nowhere and become something that I take so for granted so quickly. I wouldn't call it a 'game changer' exactly, but it is a noticeable step change for the better. It makes my life a little cozier. Thank you!

[aes]

Notice how there's also nothing sensible to do here, since your shell is in a borked state. (pwd is deleted)

The best you can do is probably to notice this condition and either silently quit or warn the user. (I recommend warning, but with an (inevitable) option to silence it.)