git-delete-merged-branches

#!/bin/bash

branches_to_die=$(git branch --no-color --merged origin/master | grep -v '\smaster$')
echo "Local branches to be deleted:"
echo "$branches_to_die"

kill_branches () {
  echo $branches_to_die | xargs -n 1 git branch -d
}

remote_branches_to_die=$(git branch --no-color --remote --merged origin/master | grep -v '\smaster$' | grep -v '\/master$' | grep -v "origin\/HEAD" | grep -v "origin\/master")
echo "Remote branches to be deleted:"
echo "$remote_branches_to_die"

kill_remote_branches () {
  # Remove remote branches
  for remote in $remote_branches_to_die
  do
    # branches=`echo "$remote_branches" | grep "$remote/" | sed 's/\(.*\)\/\(.*\)/:\2 /g' | tr -d '\n'`
    git branch -rd "$remote"
  done
}

echo ""
echo "Enter Y to confirm"
read -p "> " confirm

[[ $confirm == "Y" ]] && kill_branches && kill_remote_branches

echo ""
echo "Pruning all remotes"
git remote | xargs -n 1 git remote prune