$ git clone -n https://gitee.com/opencloudos-stream/libvncserver.git /var/lib/mock/dist-ocs23-build-32332-1379/root/chroot_tmpdir/scmroot/libvncserver
Cloning into '/var/lib/mock/dist-ocs23-build-32332-1379/root/chroot_tmpdir/scmroot/libvncserver'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libvncserver
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 273e350 !1 Rebuilt for SDL2 2.28.2 Merge pull request !1 from cunshunxia/master