it's simpler than that: it's just running `dpkg-source -x` on every `*.dsc` file it can find. So that's "all of the source used to build all of the debs" (usin

it's simpler than that: it's just running `dpkg-source -x` on every `*.dsc` file it can find. So that's "all of the source used to build all of the debs" (using dists/stable/main/source/Sources.xz to get the list.) (I think then just a single commit of all of it; the fun bit would be doing this for each release and looking at the size of the diffs...)