Escape filenames that would generate illegal css comments. Closes Com…

…pass#911.

lib/compass/sprite_importer.rb

@@ -97,7 +97,7 @@ def self.sprite_names(uri)
 
     # Returns the sass_options for this sprite
     def self.sass_options(uri, importer, options)
-      options.merge!(:filename => uri, :syntax => :scss, :importer => importer)
+      options.merge!(:filename => uri.gsub(%r{\*/},"*\\/"), :syntax => :scss, :importer => importer)
     end
 
     # Returns a Sass::Engine for this sprite object

test/units/regressions_test.rb

@@ -0,0 +1,35 @@
+require 'test_helper'
+require 'compass'
+require 'compass/exec'
+require 'stringio'
+
+class RegressionsTest < Test::Unit::TestCase
+  include Compass::CommandLineHelper
+  setup do
+    Compass.reset_configuration!
+  end
+
+  after do
+    Compass.reset_configuration!
+  end
+
+  def test_issue911_sprites_with_globbing_and_line_comments
+    within_tmp_directory do
+      compass "create --bare issue911"
+      FileUtils.mkdir_p "issue911/images/sprites/a"
+      FileUtils.mkdir_p "issue911/images/sprites/b"
+      open "issue911/images/sprites/a/foo.png", "wb" do |f|
+        f.write(Compass::PNG.new(5,10, [255,0,255]).to_blob)
+      end
+      open "issue911/images/sprites/b/bar.png", "wb" do |f|
+        f.write(Compass::PNG.new(5,10, [255,255,0]).to_blob)
+      end
+      Dir.chdir "issue911" do
+        result = compile_for_project(<<-SCSS)
+          @import "sprites/**/*.png";
+        SCSS
+        Sass::Engine.new(result, :syntax => :scss).render # raises an error if we generated invalid css
+      end
+    end
+  end
+end