$ git clone -n https://src.fedoraproject.org/rpms/TOPCOM.git /var/lib/mock/f29-build-4313-1028/root/thebuilddir/tmp/scmroot/TOPCOM
Cloning into '/var/lib/mock/f29-build-4313-1028/root/thebuilddir/tmp/scmroot/TOPCOM'...
$ git reset --hard 9ec5d24b57f0cce69babad98698b1942c8cd73ae
HEAD is now at 9ec5d24 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild