$ git clone -n https://gitee.com/wency_cn/rsync.git /var/lib/mock/dist-an23-build-494458-74593/root/chroot_tmpdir/scmroot/rsync
Cloning into '/var/lib/mock/dist-an23-build-494458-74593/root/chroot_tmpdir/scmroot/rsync'...
$ git fetch origin a4dff1765fc6bdb991c3dd7c7043ab22c7f96fd6:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/rsync
 * [new ref]         a4dff1765fc6bdb991c3dd7c7043ab22c7f96fd6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4dff17 Update code from upstream