ZSH function to delete git local branches

git-clean-branches.zsh

git-clean-branches() {
  if [ ! -d .git ]; then
    echo "This is not a Git directory"
    return 1
  fi;

  # Get list of local branches
  branches=()
  eval "$(git for-each-ref --shell --format='branches+=(%(refname))' refs/heads/)"

  current_branch="$(git rev-parse --abbrev-ref HEAD)"

  for branch in "${branches[@]}"; do
    # Strip the "ref/heads" prefix from the branch name
    branch=${branch#refs/heads/}

    # Asks for deletion of every branch besides master or current branch
    if [[ $branch != 'master' && $branch != $current_branch ]]; then
      read -q "answer?Delete '${branch}' branch? [y/n]: "
      if [ $answer = 'y' ]; then
        print ""
        git branch -D $branch
      else
        print ""
      fi;
    fi;
  done
}