$ git clone -n https://gitee.com/wency_cn/realmd_1770801819.git /var/lib/mock/dist-an23-build-513556-75110/root/chroot_tmpdir/scmroot/realmd_1770801819
Cloning into '/var/lib/mock/dist-an23-build-513556-75110/root/chroot_tmpdir/scmroot/realmd_1770801819'...
$ git fetch origin 47b9af54e38c66f2dbf077f56f39bfa67089baf9:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/realmd_1770801819
 * [new ref]         47b9af54e38c66f2dbf077f56f39bfa67089baf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47b9af5 Update code from upstream