$ git clone -n https://gitee.com/src-opencloudos-rpms/ceph.git /var/lib/mock/dist-oc9-build-249050-83766/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/dist-oc9-build-249050-83766/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin 96190e8a1f13364319999146602a2cfa4a9382dc:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ceph
 * [new ref]         96190e8a1f13364319999146602a2cfa4a9382dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96190e8 import ceph-19.2.6-1.tl4