How-to git backport (rebase/cherry-pick) an already merged branch
问题 In our Git process, "master" is the integration branch for topic and fix branches for the current release cycle, but we also maintain a "stable" branch where we have to backport carefully some of our fixes already successfully tested on master. All the difficulty is that the branch has already been merged back in "master" (else it is really easy with rebase --onto) We don't want to change the process the other way because a) we don't want to fix everything in the "stable" branch, and b) we