radicle: Detect current repository using `jj`
When using Jujutsu and a non-colocated Git repository, the detection
using libgit2 directly fails (just as git in a shell would fail).
Add an invocation of jj git root as a fallback.
When using Jujutsu and a non-colocated Git repository, the detection
using libgit2 directly fails (just as git in a shell would fail).
Add an invocation of jj git root as a fallback.
Rebase
Preserve git2::Error.
Rebase
Rebase