$ git clone -n https://gitee.com/wency_cn/python-lz4.git /var/lib/mock/dist-an23-build-491474-74530/root/chroot_tmpdir/scmroot/python-lz4
Cloning into '/var/lib/mock/dist-an23-build-491474-74530/root/chroot_tmpdir/scmroot/python-lz4'...
$ git fetch origin 595367a9be0ee562f1d59010775c3b1c626d0b4a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-lz4
 * [new ref]         595367a9be0ee562f1d59010775c3b1c626d0b4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 595367a Update code from upstream