$ git clone -n https://gitee.com/wenyuzifang/unbound.git /var/lib/mock/dist-an23-build-444626-73188/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-444626-73188/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin b69596be7ff1fe1c6ce698764145e70baeef8a1a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/unbound
 * [new ref]         b69596be7ff1fe1c6ce698764145e70baeef8a1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b69596b Update code from upstream