$ git clone -n https://gitee.com/src-opencloudos-rpms/ceph.git /var/lib/mock/dist-oc9-build-123062-72703/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/dist-oc9-build-123062-72703/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin 1e64286adc661d0f9e5e9b2c0f662caab406fb83:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ceph
 * [new ref]         1e64286adc661d0f9e5e9b2c0f662caab406fb83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e64286 import ceph-18.2.0-12.tl4