$ git clone -n https://gitee.com/fundawang/ceph.git /var/lib/mock/dist-an23-build-312617-67129/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/dist-an23-build-312617-67129/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin f208f7243d95b02c436e0b6c3ad8db6661cf068f:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/ceph
 * [new ref]         f208f7243d95b02c436e0b6c3ad8db6661cf068f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f208f72 update