$ git clone -n https://src.fedoraproject.org/rpms/python-cloudpickle.git /var/lib/mock/f45-build-29959-642/root/chroot_tmpdir/scmroot/python-cloudpickle
Cloning into '/var/lib/mock/f45-build-29959-642/root/chroot_tmpdir/scmroot/python-cloudpickle'...
$ git fetch origin db37d39741759d4e5a723dac8fd34f6085c0e8f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cloudpickle
 * [new ref]         db37d39741759d4e5a723dac8fd34f6085c0e8f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db37d39 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild