$ git clone -n https://gitee.com/wency_cn/lsof.git /var/lib/mock/dist-an23-build-490955-74530/root/chroot_tmpdir/scmroot/lsof
Cloning into '/var/lib/mock/dist-an23-build-490955-74530/root/chroot_tmpdir/scmroot/lsof'...
$ git fetch origin b6d8d77f075bad4eb74246a578235380fafa76ce:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/lsof
 * [new ref]         b6d8d77f075bad4eb74246a578235380fafa76ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6d8d77 Update code from upstream