$ git clone -n https://src.fedoraproject.org/rpms/libvirt-dbus.git /var/lib/mock/f45-build-17216-497/root/chroot_tmpdir/scmroot/libvirt-dbus
Cloning into '/var/lib/mock/f45-build-17216-497/root/chroot_tmpdir/scmroot/libvirt-dbus'...
$ git fetch origin 074f64a0e695a74307c23da0c064e6561417630d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvirt-dbus
 * [new ref]         074f64a0e695a74307c23da0c064e6561417630d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 074f64a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild