https://arstechnica.com/gadgets/2021/03/rookie-coding-mistake-prior-to-gab-hack-came-from-sites-cto/

"Besides the commit raising questions about Gab’s process for developing secure code, the social media site is also facing criticism for removing the commits from its website. Critics say the move violates terms of the Affero General Public License, which governs Gab’s reuse of Mastodon, an open source software package for hosting social networking platforms."