rubocop

middleman-core/lib/middleman-core/renderers/sass.rb

@@ -85,7 +85,7 @@ module Middleman
           }
 
           if ctx.config[:sass_source_maps]
-            more_opts[:source_map_file] = "."
+            more_opts[:source_map_file] = '.'
             more_opts[:source_map_embed] = true
             more_opts[:source_map_contents] = true
           end

middleman-core/lib/middleman-core/renderers/sass_functions.rb

@@ -1,9 +1,8 @@
 module Middleman
   module Sass
     module Functions
-      def asset_path(source, options)
+      def asset_path(_source, _options)
         # current_resource
-
       end
 
       # Using Middleman::Util#asset_path, return the full path

middleman-core/lib/middleman-core/sitemap/extensions/proxies.rb

@@ -143,7 +143,7 @@ module Middleman
       end
 
       def to_s
-        "#<#{self.class.to_s} path=#{@path} target=#{@target}>"
+        "#<#{self.class} path=#{@path} target=#{@target}>"
       end
       alias_method :inspect, :to_s
     end

middleman-core/lib/middleman-core/sitemap/resource.rb

@@ -194,7 +194,7 @@ module Middleman
       end
 
       def to_s
-        "#<#{self.class.to_s} path=#{@path}>"
+        "#<#{self.class} path=#{@path}>"
       end
       alias_method :inspect, :to_s # Ruby 2.0 calls inspect for NoMethodError instead of to_s
     end