$ git clone -n https://gitee.com/src-opencloudos-rpms/libvncserver.git /var/lib/mock/dist-oc9-build-241499-82848/root/chroot_tmpdir/scmroot/libvncserver
Cloning into '/var/lib/mock/dist-oc9-build-241499-82848/root/chroot_tmpdir/scmroot/libvncserver'...
$ git fetch origin 7bd25df3a3faadeffc473380de209bc9abd4976f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvncserver
 * [new ref]         7bd25df3a3faadeffc473380de209bc9abd4976f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bd25df import libvncserver-0.9.13-11.tl4