#!/usr/bin/env bash

BRANCHES=("origin/HEAD" "origin/master" "master")

checkBranch() {

 for BR in ${BRANCHES[@]}
 do
    if [[ ${1} == ${BR} ]]
    then
      return 1;
    fi
 done

 return 0;
}


for BRANCH in $(git for-each-ref --format='%(refname:lstrip=2)' --merged)
do
    if checkBranch ${BRANCH}
      then
       if [[ ${BRANCH:0:6} == 'origin' ]]
        then
            git branch -dr ${BRANCH}
          else
            git branch -d ${BRANCH}
        fi
    fi
done