$ git clone -n https://gitee.com/src-opencloudos-rpms/xorg-x11-server.git /var/lib/mock/dist-oc9-build-81042-54517/root/chroot_tmpdir/scmroot/xorg-x11-server
Cloning into '/var/lib/mock/dist-oc9-build-81042-54517/root/chroot_tmpdir/scmroot/xorg-x11-server'...
$ git fetch origin bff537713b7d7359075775cec794beb5a8cc61c4:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xorg-x11-server
 * [new ref]         bff537713b7d7359075775cec794beb5a8cc61c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bff5377 import xorg-x11-server-21.1.8-6.tl4