I think you'll find your workflow is still required. `git history split` is really only focused on turning a commit into 2 commits, so if you wanted multiple, you would need to run the command multiple times.
Add to that, it's patch functionality isn't as robust as `git add --patch`. For example, you cannot edit a hunk, so if you intended to tease out atomic changes, you won't be able to.
Add to that, it's patch functionality isn't as robust as `git add --patch`. For example, you cannot edit a hunk, so if you intended to tease out atomic changes, you won't be able to.