$ git clone -n https://src.fedoraproject.org/rpms/python-dbus-next.git /var/lib/mock/f45-build-30245-643/root/chroot_tmpdir/scmroot/python-dbus-next
Cloning into '/var/lib/mock/f45-build-30245-643/root/chroot_tmpdir/scmroot/python-dbus-next'...
$ git fetch origin 73d3fc468707f6182d0ba693e5155227cda49fab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dbus-next
 * [new ref]         73d3fc468707f6182d0ba693e5155227cda49fab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73d3fc4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild