Select and delete git branches interactively. Take use of the power of gum.

git-purge-branch.sh

#!/bin/bash

set -euo pipefail

branch_messages="$(git for-each-ref --format='%(refname:short) - %(contents:subject)' refs/heads/ | gum choose --header "Select branches to delete" --no-limit)"
branches="$(echo "$branch_messages" | awk -F' - ' '{print $1}')"
[[ -z "$branches" ]] && { echo "No branches selected" && exit 0; }
for branch in $branches; do
  echo "Deleting branch: $branch"
  git branch -D "$branch"
done