$ git clone -n https://gitee.com/wenyuzifang/unbound.git /var/lib/mock/dist-an23-build-447142-73363/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-447142-73363/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin 52e7021537ff449ccd722fc6d0fbf3c34f359ab6:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/unbound
 * [new ref]         52e7021537ff449ccd722fc6d0fbf3c34f359ab6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52e7021 Update code from upstream