$ git clone -n https://gitee.com/src-opencloudos-rpms/libvpx /var/lib/mock/dist-oc8-build-57021-15199/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-oc8-build-57021-15199/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvpx
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b0f22a import libvpx-1.7.0-10.tl3