$ git clone -n https://gitee.com/wenyuzifang/unbound_1770285844.git /var/lib/mock/dist-an23-build-511832-75080/root/chroot_tmpdir/scmroot/unbound_1770285844
Cloning into '/var/lib/mock/dist-an23-build-511832-75080/root/chroot_tmpdir/scmroot/unbound_1770285844'...
$ git fetch origin ffb6a17b84eb9063279f8fbb3f32b1647a07151a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/unbound_1770285844
 * [new ref]         ffb6a17b84eb9063279f8fbb3f32b1647a07151a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffb6a17 Update code from upstream