$ git clone -n https://src.fedoraproject.org/rpms/xrdhttpvoms.git /var/lib/mock/f31-build-71550-30658/root/thebuilddir/tmp/scmroot/xrdhttpvoms
Cloning into '/var/lib/mock/f31-build-71550-30658/root/thebuilddir/tmp/scmroot/xrdhttpvoms'...
$ git reset --hard cb7c67186a931efd2eaf685c06068ed94ed19baa
HEAD is now at cb7c671 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild