$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc9-build-85821-57557/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc9-build-85821-57557/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin b3b6fce5f794c8c64a5c6f83065200aef70b03f2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         b3b6fce5f794c8c64a5c6f83065200aef70b03f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3b6fce import tigervnc-1.13.1-5.tl4