$ git clone -n https://src.fedoraproject.org/rpms/mongo-cxx-driver.git /var/lib/mock/f33-build-242617-50726/root/chroot_tmpdir/scmroot/mongo-cxx-driver
Cloning into '/var/lib/mock/f33-build-242617-50726/root/chroot_tmpdir/scmroot/mongo-cxx-driver'...
$ git reset --hard f6dec7fe117d0b3c5a9202cf37128719aea6b76b
HEAD is now at f6dec7f Add missing sources tarball