$ git clone -n https://gitee.com/src-opencloudos-rpms/xorg-x11-server.git /var/lib/mock/dist-oc9-build-49621-14595/root/chroot_tmpdir/scmroot/xorg-x11-server
Cloning into '/var/lib/mock/dist-oc9-build-49621-14595/root/chroot_tmpdir/scmroot/xorg-x11-server'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xorg-x11-server
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77f8750 import xorg-x11-server-21.1.4-7.tl4