$ git clone -n https://gitee.com/src-opencloudos-rpms/libvpx.git /var/lib/mock/dist-oc9-build-70582-47448/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-oc9-build-70582-47448/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvpx
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c08702e import libvpx-1.13.1-1.tl4