exe/solr_wrapper in solr_wrapper-3.1.2 vs exe/solr_wrapper in solr_wrapper-3.1.3

@@ -98,10 +98,10 @@
 
 instance = SolrWrapper.instance(options)
 
 case command
 when 'clean'
-  if instance.started?
+  if instance.managed? && instance.started?
     $stderr.puts "Please stop solr before cleaning"
     exit 1
   end
   $stderr.puts "cleaning #{instance.instance_dir}..."
   instance.remove_instance_dir!