$ git clone -n https://gitee.com/wenjie2025/unbound.git /var/lib/mock/dist-an23-build-508874-75015/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-508874-75015/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin 6bdb9dd8d0e174182b61abc5d477ad9c6948e0a0:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/unbound
 * [new ref]         6bdb9dd8d0e174182b61abc5d477ad9c6948e0a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bdb9dd Update code from upstream