$ git clone -n https://gitee.com/src-opencloudos-rpms/libselinux /var/lib/mock/dist-oc8-build-255437-84508/root/chroot_tmpdir/scmroot/libselinux
Cloning into '/var/lib/mock/dist-oc8-build-255437-84508/root/chroot_tmpdir/scmroot/libselinux'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libselinux
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff0ccea update SPECS/libselinux.spec.