$ git clone -n https://gitee.com/src-opencloudos-rpms/libnftnl.git /var/lib/mock/dist-oc9-build-128403-77304/root/chroot_tmpdir/scmroot/libnftnl
Cloning into '/var/lib/mock/dist-oc9-build-128403-77304/root/chroot_tmpdir/scmroot/libnftnl'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libnftnl
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a7fa43 import libnftnl-1.2.6-4.tl4