$ git clone -n https://gitee.com/src-opencloudos-rpms/libvncserver.git /var/lib/mock/dist-oc9-build-237713-82464/root/chroot_tmpdir/scmroot/libvncserver
Cloning into '/var/lib/mock/dist-oc9-build-237713-82464/root/chroot_tmpdir/scmroot/libvncserver'...
$ git fetch origin 0df7d010c0e0bd5f086b75bd701225dae1e3d547:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvncserver
 * [new ref]         0df7d010c0e0bd5f086b75bd701225dae1e3d547 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0df7d01 import libvncserver-0.9.13-10.tl4