$ git clone -n https://gitee.com/wency_cn/unbound_1765271878.git /var/lib/mock/dist-an23-build-493929-74562/root/chroot_tmpdir/scmroot/unbound_1765271878
Cloning into '/var/lib/mock/dist-an23-build-493929-74562/root/chroot_tmpdir/scmroot/unbound_1765271878'...
$ git fetch origin 425a16f4ebd2c11edf01056190925773b31434ad:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1765271878
 * [new ref]         425a16f4ebd2c11edf01056190925773b31434ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 425a16f Update code from upstream