$ git clone -n https://gitee.com/wency_cn/freeipmi_1772050680.git /var/lib/mock/dist-an23-build-515029-75118/root/chroot_tmpdir/scmroot/freeipmi_1772050680
Cloning into '/var/lib/mock/dist-an23-build-515029-75118/root/chroot_tmpdir/scmroot/freeipmi_1772050680'...
$ git fetch origin a75302dab7717c324759b0d40bfc2722fdea5748:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/freeipmi_1772050680
 * [new ref]         a75302dab7717c324759b0d40bfc2722fdea5748 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a75302d Update code from upstream