$ git clone -n https://gitee.com/wency_cn/libvpx.git /var/lib/mock/dist-an23-build-494153-74584/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/dist-an23-build-494153-74584/root/chroot_tmpdir/scmroot/libvpx'...
$ git fetch origin 82ad5c71eb2e405738117866d91e860cbd81fe92:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libvpx
 * [new ref]         82ad5c71eb2e405738117866d91e860cbd81fe92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82ad5c7 Update code from upstream