Git stores diffs between revisions too: see https://www.kernel.org/pub/software/scm/git/docs/git-pack-objects.html https://www.kernel.org/pub/software/scm/git/d

Git stores diffs between revisions too: see https://www.kernel.org/pub/software/scm/git/docs/git-pack-objects.html https://www.kernel.org/pub/software/scm/git/docs/git-pack-ob... Packs happen automatically sometimes per https://www.kernel.org/pub/software/scm/git/docs/git-gc.html https://www.kernel.org/pub/software/scm/git/docs/git-gc.html