$ git clone -n https://gitee.com/src-opencloudos-rpms/ceph.git /var/lib/mock/dist-oc9-build-168991-79840/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/dist-oc9-build-168991-79840/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin 5f3e64d2192cc0e0fbfaeda7d7de81e95aa6d54b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ceph
 * [new ref]         5f3e64d2192cc0e0fbfaeda7d7de81e95aa6d54b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f3e64d import ceph-18.2.0-13.tl4