$ git clone -n https://gitee.com/src-opencloudos-rpms/libvpx.git /var/lib/mock/dist-oc9-build-168920-79829/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-oc9-build-168920-79829/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin afaa03a92fce20aedf1a66367830ef0439e41841:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvpx
 * [new ref]         afaa03a92fce20aedf1a66367830ef0439e41841 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afaa03a import libvpx-1.14.1-4.tl4