$ git clone -n https://src.fedoraproject.org/rpms/python-dbus-python-client-gen.git /var/lib/mock/f45-build-30243-643/root/chroot_tmpdir/scmroot/python-dbus-python-client-gen
Cloning into '/var/lib/mock/f45-build-30243-643/root/chroot_tmpdir/scmroot/python-dbus-python-client-gen'...
$ git fetch origin a81268be628e111f4c741f4c8561db3e99b07cf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dbus-python-client-gen
 * [new ref]         a81268be628e111f4c741f4c8561db3e99b07cf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a81268b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild