added current-output-file()

lib/compass/sass_extensions/functions/env.rb

@@ -16,4 +16,8 @@ module Compass::SassExtensions::Functions::Env
     Sass::Script::String.new(options[:filename].to_s)
   end
 
+  def current_output_file
+    Sass::Script::String.new(options[:css_filename].to_s)
+  end
+
 end

test/fixtures/stylesheets/envtest/css/env.css

@@ -6,3 +6,5 @@
   date: "<%= Time.now.strftime("%F") %>"; }
 .filename {
   file: <%= filename.gsub(%r{/scss/}, '/sass/') %>; }
+.output {
+  output: <%= output_file %>; }

test/fixtures/stylesheets/envtest/sass/env.scss

@@ -13,3 +13,7 @@
 .filename {
   file: current-source-file();
 }
+
+.output {
+  output: current-output-file();
+}

test/integrations/compass_test.rb

@@ -138,7 +138,7 @@ private
   def assert_renders_correctly(*arguments)
     options = arguments.last.is_a?(Hash) ? arguments.pop : {}
     for name in arguments
-      actual_result_file = "#{tempfile_path(@current_project)}/#{name}.css"
+      @output_file = actual_result_file = "#{tempfile_path(@current_project)}/#{name}.css"
       expected_result_file = "#{result_path(@current_project)}/#{name}.css"
       @filename = expected_result_file.gsub('css', 'scss')
       actual_lines = File.read(actual_result_file)
@@ -226,4 +226,8 @@ private
     @filename
   end
 
+  def output_file
+    @output_file
+  end
+
 end