$ git clone -n https://src.fedoraproject.org/rpms/mongo-cxx-driver.git /var/lib/mock/f31-build-111658-34192/root/chroot_tmpdir/scmroot/mongo-cxx-driver
Cloning into '/var/lib/mock/f31-build-111658-34192/root/chroot_tmpdir/scmroot/mongo-cxx-driver'...
$ git reset --hard 486df1ae3961f4595948a07fb1c5ca7ea39dd585
HEAD is now at 486df1a - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild