$ git clone -n https://gitee.com/src-opencloudos-rpms/ceph.git /var/lib/mock/dist-oc9-build-229565-81367/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/dist-oc9-build-229565-81367/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin 4134bca8f2d33e0c69d78bbc7cc43f2be4e42b7b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ceph
 * [new ref]         4134bca8f2d33e0c69d78bbc7cc43f2be4e42b7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4134bca import ceph-18.2.0-14.tl4.1