$ git clone -n https://gitee.com/src-opencloudos-rpms/xcb-util.git /var/lib/mock/dist-oc9-build-45524-14591/root/chroot_tmpdir/scmroot/xcb-util
Cloning into '/var/lib/mock/dist-oc9-build-45524-14591/root/chroot_tmpdir/scmroot/xcb-util'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xcb-util
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43b1342 import xcb-util-0.4.0-3.tl4