dont override private sass api

Author: Francesco Rodriguez

lib/sass/rails/importer.rb

@@ -19,25 +19,21 @@ def extensions
       }.merge!(super)
     end
 
-    def find_relative_with_glob(name, base, options)
+    def find_relative(name, base, options)
       if name =~ GLOB
         glob_imports(name, Pathname.new(base), options)
       else
-        find_relative_without_glob(name, base, options)
+        engine_from_path(name, File.dirname(base), options)
       end
     end
-    alias_method :find_relative_without_glob, :find_relative
-    alias_method :find_relative, :find_relative_with_glob
 
-    def find_with_glob(name, options)
+    def find(name, options)
       if name =~ GLOB
         nil # globs must be relative
       else
-        find_without_glob(name, options)
+        engine_from_path(name, root, options)
       end
     end
-    alias_method :find_without_glob, :find
-    alias_method :find, :find_with_glob
 
     def each_globbed_file(glob, base_pathname, options)
       Dir["#{base_pathname}/#{glob}"].sort.each do |filename|
@@ -66,15 +62,21 @@ def glob_imports(glob, base_pathname, options)
 
     private
 
-      def _find(dir, name, options)
+      def engine_from_path(name, dir, options)
         full_filename, syntax = Sass::Util.destructure(find_real_file(dir, name, options))
         return unless full_filename && File.readable?(full_filename)
 
-        Sass::Engine.new(evaluate(full_filename), options.merge(
+        engine = Sass::Engine.new(evaluate(full_filename), options.merge(
           syntax: syntax,
           filename: full_filename,
           importer: self
         ))
+
+        if engine && (filename = engine.options[:filename])
+          @context.depend_on(filename)
+        end
+
+        engine
       end
 
       def evaluate(filename)