Find and delete all branches more than 60 days

delete-old-branches-more-than-60d.sh

reference_date=$(date -v-60d "+%s")
branches_to_delete=()

git for-each-ref --format='%(committerdate:raw)%09%(refname:short)' | while read date branch; do
    commit_date=$(echo "$date" | cut -d' ' -f1)
    if [ "$commit_date" -lt "$reference_date" ]; then
        branches_to_delete+=("$branch")
        echo "$branch has not been updated for more than 60 days"
    fi
done

if [ ${#branches_to_delete[@]} -eq 0 ]; then
    echo "No branches found that haven't been updated for more than 60 days."
else
    read -p "Do you want to delete these branches? (y/n): " answer
    if [ "$answer" = "y" ]; then
        for branch in "${branches_to_delete[@]}"; do
            git branch -D "$branch"
            echo "Branch '$branch' deleted."
        done
    else
        echo "Branch deletion cancelled."
    fi
fi