git remote add upstream https://github.com/otheruser/repo.git
List of remotes
git remote -v
Cherry-pick a merge commit
git cherry-pick -m 1 <SHA5>
Delete merged branches
gco master
git branch --merged | grep -v "\*" | xargs -n 1 git branch -d
Delete Remote tag
git push origin :refs/tags/release-169