Actually, rebase saves your starting point to
ORIG_HEAD so this is usually as simple as:git reset --hard ORIG_HEAD
However, the
reset, rebase and merge all save your original HEAD pointer into ORIG_HEAD so, if you've done any of those commands since the rebase you're trying to undo then you'll have to use the reflog.from : https://stackoverflow.com/questions/134882/undoing-a-git-rebase
