$ git clone -n https://gitee.com/opencloudos-stream/libserf.git /var/lib/mock/dist-ocs23-build-63892-2798/root/chroot_tmpdir/scmroot/libserf
Cloning into '/var/lib/mock/dist-ocs23-build-63892-2798/root/chroot_tmpdir/scmroot/libserf'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libserf
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 907b679 Rebuilt for OpenCloudOS Stream 23.09