`git-worktree` is a beautiful thing.

And if I sign them after, with `git commit --amend -S`, will that cause problems for later pulls or pushes with subtree?

Apparently it's possible to make patches to code with email, which is stated in `GIT-AM(1)`; but I don't know what the definition of an `<Maildir>` or `<mbox>` is. Update: I think `<Maildir>` refers to a directory of patch files (typically generated with `git format-patch`); `<mbox>` refers to a patch file (generated with `git format-patch`).

Yes, I giggled when I found it

Between Github, GitLab, Gitea, Sourcehut and more, what is the source forge that you currently use and why?

(I'm not involved in this project)