$ git clone -n https://gitee.com/wency_cn/realmd_1770946930.git /var/lib/mock/dist-an23-build-514369-75110/root/chroot_tmpdir/scmroot/realmd_1770946930
Cloning into '/var/lib/mock/dist-an23-build-514369-75110/root/chroot_tmpdir/scmroot/realmd_1770946930'...
$ git fetch origin eecbece991e09a027550227d77f0808a55c16705:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/realmd_1770946930
 * [new ref]         eecbece991e09a027550227d77f0808a55c16705 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eecbece Update code from upstream