It's semi-relevant to your question, but if you want to learn more about Git internals, I recommend the last chapter of the "Pro Git" book, which is free: http

It's semi-relevant to your question, but if you want to learn more about Git internals, I recommend the last chapter of the "Pro Git" book, which is free: https://git-scm.com/book/en/v2/Git-Internals-Plumbing-and-Porcelain https://git-scm.com/book/en/v2/Git-Internals-Plumbing-and-Po...