$ git clone -n https://gitee.com/opencloudos-stream/xmvn.git /var/lib/mock/dist-ocs23-build-21693-1041/root/chroot_tmpdir/scmroot/xmvn
Cloning into '/var/lib/mock/dist-ocs23-build-21693-1041/root/chroot_tmpdir/scmroot/xmvn'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/xmvn
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e71d4ae OCS package init