# Rebuild the current xapian index
def rebuild_xapian_index(terms = true, values = true, texts = true, dropfirst = true)
    if dropfirst
        begin
            ActsAsXapian.readable_init
            FileUtils.rm_r(ActsAsXapian.db_path)
        rescue RuntimeError
        end
        ActsAsXapian.writable_init
        ActsAsXapian.writable_db.close
    end
    parse_all_incoming_messages
    # safe_rebuild=true, which involves forking to avoid memory leaks, doesn't work well with rspec.
    # unsafe is significantly faster, and we can afford possible memory leaks while testing.
    models = [PublicBody, User, InfoRequestEvent]
    ActsAsXapian.rebuild_index(models, verbose=false, terms, values, texts, safe_rebuild=false)
end

def update_xapian_index
    ActsAsXapian.update_index(flush_to_disk=false, verbose=false)
end