$ git clone -n https://gitee.com/wency_cn/unbound_1767841238.git /var/lib/mock/dist-an23-build-505067-74854/root/chroot_tmpdir/scmroot/unbound_1767841238
Cloning into '/var/lib/mock/dist-an23-build-505067-74854/root/chroot_tmpdir/scmroot/unbound_1767841238'...
$ git fetch origin 9fa2a7b078be2371da90db59adeba2479661cc4d:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1767841238
 * [new ref]         9fa2a7b078be2371da90db59adeba2479661cc4d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fa2a7b Update code from upstream