$ git clone -n https://gitee.com/wenyuzifang/libvpx.git /var/lib/mock/dist-an23-build-469806-74027/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-an23-build-469806-74027/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin 62766e45e5acdad538384c9243fae608572a1c46:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libvpx
 * [new ref]         62766e45e5acdad538384c9243fae608572a1c46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62766e4 Update code from upstream