$ git clone -n https://gitee.com/wency_cn/libvpx.git /var/lib/mock/dist-an23-build-492605-74553/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-an23-build-492605-74553/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin 111c5c886a9eaa1f32d5e65066846f86e26763be:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libvpx
 * [new ref]         111c5c886a9eaa1f32d5e65066846f86e26763be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 111c5c8 Update code from upstream