$ git clone -n https://src.fedoraproject.org/rpms/boxes.git /var/lib/mock/f31-build-56095-28183/root/chroot_tmpdir/scmroot/boxes
Cloning into '/var/lib/mock/f31-build-56095-28183/root/chroot_tmpdir/scmroot/boxes'...
$ git reset --hard f2f18b571284a059fb05d8efaff6626fbc4eeec2
HEAD is now at f2f18b5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild