$ git clone -n https://src.fedoraproject.org/rpms/sylfilter.git /var/lib/mock/f29-build-6315-1542/root/thebuilddir/tmp/scmroot/sylfilter
Cloning into '/var/lib/mock/f29-build-6315-1542/root/thebuilddir/tmp/scmroot/sylfilter'...
$ git reset --hard 39123561355e3f5e1c79d9fb2a7767a9f5bc28eb
HEAD is now at 3912356 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild