$ git clone -n https://gitee.com/wency_cn/iw_1770927030.git /var/lib/mock/dist-an23-build-514287-75110/root/chroot_tmpdir/scmroot/iw_1770927030
Cloning into '/var/lib/mock/dist-an23-build-514287-75110/root/chroot_tmpdir/scmroot/iw_1770927030'...
$ git fetch origin 57d45ecda0cf20c0cf236655869fc166888f4fa6:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/iw_1770927030
 * [new ref]         57d45ecda0cf20c0cf236655869fc166888f4fa6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57d45ec Update code from upstream