$ git clone -n https://gitee.com/wency_cn/realmd_1770945643.git /var/lib/mock/dist-an23-build-514356-75110/root/chroot_tmpdir/scmroot/realmd_1770945643
Cloning into '/var/lib/mock/dist-an23-build-514356-75110/root/chroot_tmpdir/scmroot/realmd_1770945643'...
$ git fetch origin 84f1eb8654fa061ef2da884b5789294b74222c2e:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/realmd_1770945643
 * [new ref]         84f1eb8654fa061ef2da884b5789294b74222c2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84f1eb8 Update code from upstream