$ git clone -n https://gitee.com/src-opencloudos-rpms/libnet.git /var/lib/mock/dist-oc9-build-42360-14591/root/chroot_tmpdir/scmroot/libnet
Cloning into '/var/lib/mock/dist-oc9-build-42360-14591/root/chroot_tmpdir/scmroot/libnet'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libnet
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4edb65 import libnet-1.2-3.tl4