$ git clone -n https://src.fedoraproject.org/rpms/diffstat.git /var/lib/mock/f29-build-1233-494/root/thebuilddir/tmp/scmroot/diffstat
Cloning into '/var/lib/mock/f29-build-1233-494/root/thebuilddir/tmp/scmroot/diffstat'...
$ git reset --hard db614a902f3a14a5fea28ada3acd5aebabc30cfd
HEAD is now at db614a9 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild