ask git what its root is, instead of trying to figure it out ourselves

[1ace]

No description provided.

[sahinakkaya]

I think this might fix #10 but with some extra steps. Currently it looks like this:

❯ bare rev-parse --show-toplevel
/home/***
❯ git rev-parse --show-toplevel
fatal: not a git repository (or any of the parent directories): .git