$ git clone -n https://src.fedoraproject.org/rpms/ballz.git /var/lib/mock/f29-build-7189-1771/root/thebuilddir/tmp/scmroot/ballz
Cloning into '/var/lib/mock/f29-build-7189-1771/root/thebuilddir/tmp/scmroot/ballz'...
$ git reset --hard 22688e2dbdfd25188e2d585f92ad25536032a3ac
HEAD is now at 22688e2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild