$ git clone -n https://gitee.com/wency_cn/realmd_1768584802.git /var/lib/mock/dist-an23-build-507733-74937/root/chroot_tmpdir/scmroot/realmd_1768584802
Cloning into '/var/lib/mock/dist-an23-build-507733-74937/root/chroot_tmpdir/scmroot/realmd_1768584802'...
$ git fetch origin ec97c35469453a568a76fb84ce1460eadd625a2b:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/realmd_1768584802
 * [new ref]         ec97c35469453a568a76fb84ce1460eadd625a2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec97c35 Update code from upstream