$ git clone -n https://gitee.com/src-opencloudos-rpms/qhull.git /var/lib/mock/dist-oc9-build-63976-16463/root/chroot_tmpdir/scmroot/qhull
Cloning into '/var/lib/mock/dist-oc9-build-63976-16463/root/chroot_tmpdir/scmroot/qhull'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/qhull
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bccd5b5 import qhull-8.0.2-2.tl4