clean-merged-git-branches.sh

#!/bin/bash

for br in $(git br | cut -c 3-) ; do
    if [ "$br" == "master" ] ; then
        continue
    fi
    git co "$br"
    state=$(gh pr status --json state --jq .currentBranch.state)
    if [ "$state" == "MERGED" ] ; then
        git co master
        git br -D "$br"
    fi
done