In general, Cruft is a tool to track and update code that was originally generated from a template, making sure it stays in sync as the template evolves.

GitHub – cruft/cruft: Allows you to maintain all the necessary cruft for packaging and building projects separate from the code you intentionally write. Built on-top of, and fully compatible with, CookieCutter.
Allows you to maintain all the necessary cruft for packaging and building projects separate from the code you intentionally write. Built on-top of, and fully compatible with, CookieCutter. – cruft/…