Comment by dantillberg

This was exactly my use case for building gut, https://github.com/tillberg/gut. It's a daemon that wraps git, auto-committing changes for a tree and bidirectionally syncing them between N computers. The wrapped git is autorenamed from git to gut so that it can commit git folders. The gut tools are usable for exploring/manipulating history of this meta-repo, too. I saved myself from disaster a couple times with `gut checkout ...`.

Nowadays I use Syncthing for the same purpose (I learned about Syncthing when I did a Show HN for gut). Dropbox works reasonably well, too.