$ git clone -n https://src.fedoraproject.org/rpms/rpminspect-data-centos.git /var/lib/mock/f45-build-34659-690/root/chroot_tmpdir/scmroot/rpminspect-data-centos
Cloning into '/var/lib/mock/f45-build-34659-690/root/chroot_tmpdir/scmroot/rpminspect-data-centos'...
$ git fetch origin d1d71d76f26ca21c1f0eb17f0a0c13ee6abb0dca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpminspect-data-centos
 * [new ref]         d1d71d76f26ca21c1f0eb17f0a0c13ee6abb0dca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1d71d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild