Delete all local branches that have no remote / have been merged
git branch -vv | grep -v ']'| grep -v "\*" | awk '{ print $1; }' | xargs git branch -d
Delete all local branches that have no remote / have been merged
git branch -vv | grep -v ']'| grep -v "\*" | awk '{ print $1; }' | xargs git branch -d