$ git clone -n https://gitee.com/wenyuzifang/unbound_1770283977.git /var/lib/mock/dist-an23-build-511825-75080/root/chroot_tmpdir/scmroot/unbound_1770283977
Cloning into '/var/lib/mock/dist-an23-build-511825-75080/root/chroot_tmpdir/scmroot/unbound_1770283977'...
$ git fetch origin 57ab85c5c2674d74009178f994de298ea13f8d9d:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/unbound_1770283977
 * [new ref]         57ab85c5c2674d74009178f994de298ea13f8d9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57ab85c Update code from upstream