$ git clone -n https://gitee.com/src-opencloudos-rpms/libvpx.git /var/lib/mock/dist-oc9-build-81171-54818/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-oc9-build-81171-54818/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin 5cd19f0a0151cd6ba5c311054c567ed12cfcb0f2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvpx
 * [new ref]         5cd19f0a0151cd6ba5c311054c567ed12cfcb0f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cd19f0 import libvpx-1.14.1-1.tl4