$ git clone -n https://src.fedoraproject.org/rpms/cvs.git /var/lib/mock/f31-build-67395-30031/root/thebuilddir/tmp/scmroot/cvs
Cloning into '/var/lib/mock/f31-build-67395-30031/root/thebuilddir/tmp/scmroot/cvs'...
$ git reset --hard 06578f1302b1fe96c2f9d863650183ff3c6f16e2
HEAD is now at 06578f1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild