$ git clone -n https://gitee.com/src-opencloudos-rpms/libnet.git /var/lib/mock/dist-oc9-build-70420-47430/root/chroot_tmpdir/scmroot/libnet
Cloning into '/var/lib/mock/dist-oc9-build-70420-47430/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 1d237c3 import libnet-1.3-1.tl4