minor cleanups

lib/fog/libvirt/compute.rb

@@ -62,7 +62,7 @@ module Fog
             end
 
           rescue ::Libvirt::ConnectionError
-            raise Fog::Errors::Error.new("Error making a connection to libvirt URI #{@uri.uri}:\n#{$!}")
+            raise Fog::Errors::Error.new("Error making a connection to libvirt URI #{uri.uri}:\n#{$!}")
           end
 
         end
@@ -86,8 +86,7 @@ module Fog
               end
             end
           end
-          newuri=uri+append
-          return newuri
+          uri+append
         end
 
         def respond_to?(method, *)

lib/fog/libvirt/models/compute/server.rb

@@ -56,9 +56,13 @@ module Fog
           super
         end
 
+        def new?
+          uuid.nil?
+        end
+
         def save
 
-          raise Fog::Errors::Error.new('Resaving an existing server may create a duplicate') if uuid
+          raise Fog::Errors::Error.new('Resaving an existing server may create a duplicate') unless new?
 
           validate_template_options
 
@@ -71,7 +75,7 @@ module Fog
           # We either now have xml provided by the user or generated by the template
           begin
             if xml
-              self.raw = self.persistent ? connection.raw.define_domain_xml(xml) : connection.raw.create_domain_xml(xml)
+              self.raw = persistent ? connection.raw.define_domain_xml(xml) : connection.raw.create_domain_xml(xml)
             end
           rescue
             raise Fog::Errors::Error.new("Error saving the server: #{$!}")

lib/fog/libvirt/models/compute/util.rb

@@ -19,7 +19,6 @@ module Fog
         end
       end
 
-
     end
   end
 end