$ git clone -n https://gitee.com/wency_cn/unbound_1768907272.git /var/lib/mock/dist-an23-build-508204-74974/root/chroot_tmpdir/scmroot/unbound_1768907272
Cloning into '/var/lib/mock/dist-an23-build-508204-74974/root/chroot_tmpdir/scmroot/unbound_1768907272'...
$ git fetch origin 75498292eccc62f9514a3a9a35486f6f5a5ea062:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1768907272
 * [new ref]         75498292eccc62f9514a3a9a35486f6f5a5ea062 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7549829 Update code from upstream