So I cloned the WordPress git repo and noticed immediately that neither the size of the `.git` directory nor the total size (working copy + `.git` directory) was as large as the article claims.<p>Instead of 32,647 commits, the number at the time I cloned it was 37,304 (`git rev-list --all | wc -l`), or 34,165 reachable from HEAD (`git rev-list HEAD | wc -l`), yet the total size was 162M (`du -hs .`) -- a bit smaller than the 169.7M cited in the article.<p>Further, if I re-compress everything (`git gc --aggressive`) then the total size decreases to 117M.  That is a sizable difference to begin with -- and doubly-so given that it represents more commits than either of the repositories in the original comparison.