$ git clone -n https://gitee.com/src-opencloudos-rpms/geos.git /var/lib/mock/dist-oc9-epol-build-53485-14768/root/chroot_tmpdir/scmroot/geos
Cloning into '/var/lib/mock/dist-oc9-epol-build-53485-14768/root/chroot_tmpdir/scmroot/geos'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/geos
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c6a002 import geos-3.11.2-2.tl4