less stuff in the rails config file... more stuff coming from defaults.

lib/compass/app_integration/rails/configuration_defaults.rb

@@ -8,6 +8,8 @@ module Compass
         end
 
         def default_sass_dir
+          # XXX Maybe this should be: app/views/stylesheets
+          # or maybe layouts should be moved up a level.
           File.join("app", "stylesheets")
         end
 
@@ -51,6 +53,18 @@ module Compass
           File.join("tmp", "sass-cache")
         end
 
+        def default_project_path
+          project_path = Compass::AppIntegration::Rails.root
+        end
+
+        def default_http_path
+          "/" # XXX Where is/was this stored in the Rails config?
+        end
+
+        def default_environment
+          Compass::AppIntegration::Rails.env
+        end
+
       end
     end
   end

lib/compass/app_integration/rails/installer.rb

@@ -106,16 +106,11 @@ NEXTSTEPS
         end
 
         def config_contents
-          "# This configuration file works with both the Compass command line tool and within Rails.\n" +
-          Compass.configuration.serialize do |prop, value|
-            if prop == :project_path
-              "project_path = Compass::AppIntegration::Rails.root\n"
-            elsif prop == :environment
-              "environment = Compass::AppIntegration::Rails.env\n"
-            elsif prop == :output_style
-              ""
-            end
-          end
+          project_path, Compass.configuration.project_path = Compass.configuration.project_path, nil
+          ("# This configuration file works with both the Compass command line tool and within Rails.\n" +
+           Compass.configuration.serialize)
+        ensure
+          Compass.configuration.project_path = project_path
         end
 
         def initializer_contents