$ git clone -n https://gitee.com/opencloudos-stream/gtk-vnc.git /var/lib/mock/dist-ocs23-build-35192-1769/root/chroot_tmpdir/scmroot/gtk-vnc
Cloning into '/var/lib/mock/dist-ocs23-build-35192-1769/root/chroot_tmpdir/scmroot/gtk-vnc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gtk-vnc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4892c4 !1 Upgrade to version 1.3.1 Merge pull request !1 from gordonwwang/master