More flexible manifests that can see the installation options and might

not even have any stylesheets or require a project configuration file.

lib/compass/installers/base.rb

@@ -14,7 +14,7 @@ module Compass
         @target_path = target_path
         @working_path = Dir.getwd
         @options = options
-        @manifest = Manifest.new(manifest_file) if template_path
+        @manifest = Manifest.new(manifest_file, options) if template_path
         self.logger = options[:logger]
       end
 

lib/compass/installers/manifest.rb

@@ -11,8 +11,12 @@ module Compass
         end
       end
 
-      def initialize(manifest_file = nil)
+      attr_reader :options
+      def initialize(manifest_file = nil, options = {})
         @entries = []
+        @options = options
+        @generate_config = true
+        @compile_after_generation = true
         parse(manifest_file) if manifest_file
       end
 
@@ -41,8 +45,24 @@ module Compass
         @entries.each {|e| yield e}
       end
 
+      def generate_config?
+        @generate_config
+      end
+
+      def compile?
+        @compile_after_generation
+      end
 
       protected
+
+      def no_configuration_file!
+        @generate_config = false
+      end
+
+      def skip_compilation!
+        @compile_after_generation = false
+      end
+
       # parses a manifest file which is a ruby script
       # evaluated in a Manifest instance context
       def parse(manifest_file)

lib/compass/installers/rails.rb

@@ -62,10 +62,12 @@ page request and keep them up to date when they change.
 Make sure you restart your server!
 NEXTSTEPS
         end
+        if manifest.has_stylesheet?
           puts "\nNext add these lines to the head of your layouts:\n\n"
           puts stylesheet_links
           puts "\n(You are using haml, aren't you?)"
         end
+      end
 
 
       def install_location_for_html(to, options)

lib/compass/installers/stand_alone.rb

@@ -43,7 +43,7 @@ module Compass
       end
 
       def prepare
-        write_configuration_files unless config_files_exist?
+        write_configuration_files unless config_files_exist? || !@manifest.generate_config?
       end
 
       def default_configuration
@@ -69,12 +69,14 @@ This can be done in one of the following ways:
      compass --watch [path/to/project]
 NEXTSTEPS
         end
+        if manifest.has_stylesheet?
           puts "\nTo import your new stylesheets add the following lines of HTML (or equivalent) to your webpage:"
           puts stylesheet_links
         end
+      end
 
       def compilation_required?
-        true
+        @manifest.compile?
       end
     end
   end