$ git clone -n https://gitee.com/wency_cn/realmd_1770745697.git /var/lib/mock/dist-an23-build-513211-75099/root/chroot_tmpdir/scmroot/realmd_1770745697
Cloning into '/var/lib/mock/dist-an23-build-513211-75099/root/chroot_tmpdir/scmroot/realmd_1770745697'...
$ git fetch origin 3c610507430dacb1b683450d464889bc78a6553d:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/realmd_1770745697
 * [new ref]         3c610507430dacb1b683450d464889bc78a6553d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c61050 Update code from upstream