$ git clone -n https://src.fedoraproject.org/rpms/python-zhon.git /var/lib/mock/f45-build-33748-674/root/chroot_tmpdir/scmroot/python-zhon
Cloning into '/var/lib/mock/f45-build-33748-674/root/chroot_tmpdir/scmroot/python-zhon'...
$ git fetch origin b633a537d2eea36a1d70d1cb41a4d9651e988e71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zhon
 * [new ref]         b633a537d2eea36a1d70d1cb41a4d9651e988e71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b633a53 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild