$ git clone -n https://gitee.com/wency_cn/unbound.git /var/lib/mock/dist-an23-build-493928-74562/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-493928-74562/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin e0b3a3bb4c132b7c9f3924e30c0eba4205ca44ad:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound
 * [new ref]         e0b3a3bb4c132b7c9f3924e30c0eba4205ca44ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0b3a3b Update code from upstream