$ git clone -n https://gitee.com/wency_cn/unbound_1767786244.git /var/lib/mock/dist-an23-build-504893-74854/root/chroot_tmpdir/scmroot/unbound_1767786244
Cloning into '/var/lib/mock/dist-an23-build-504893-74854/root/chroot_tmpdir/scmroot/unbound_1767786244'...
$ git fetch origin 577e61fa3d504412ab4e5b377290fad30828ed74:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1767786244
 * [new ref]         577e61fa3d504412ab4e5b377290fad30828ed74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 577e61f Update code from upstream