I know it is not possible, and I know it is hard to implement it correctly and working on all cases, but if we could have a "git willRebaseFail" test that just

I know it is not possible, and I know it is hard to implement it correctly and working on all cases, but if we could have a "git willRebaseFail" test that just checks if a clean and direct rebase is possible without touching anything, then rebase will be used a lot more. We could even have a git rebaseIfPossibleOrMergeOtherwise and set it as the default...