$ git clone -n https://src.fedoraproject.org/rpms/python-zodbpickle.git /var/lib/mock/f39-build-1617047-38652/root/chroot_tmpdir/scmroot/python-zodbpickle
Cloning into '/var/lib/mock/f39-build-1617047-38652/root/chroot_tmpdir/scmroot/python-zodbpickle'...
$ git fetch origin a9476e0ed4fd62610eb7e900cddf225d50ed256e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zodbpickle
 * [new ref]         a9476e0ed4fd62610eb7e900cddf225d50ed256e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9476e0 Version 3.1