There is a very good article by GitHub: https://github.blog/2020-12-17-commits-are-snapshots-not-diffs/ https://github.blog/2020-12-17-commits-are-snapshots-not

There is a very good article by GitHub: https://github.blog/2020-12-17-commits-are-snapshots-not-diffs/ https://github.blog/2020-12-17-commits-are-snapshots-not-dif... TLDR: Think of commits as snapshots, not diffs, and you'll be fine.