Rakefile in rake-0.9.0.beta.4 vs Rakefile in rake-0.9.0.beta.5

@@ -104,20 +104,32 @@
   end
 end
 
 begin
   require 'rcov/rcovtask'
+  IGNORE_COVERAGE_IN = FileList[
+    'lib/rake/rdoctask.rb',
+    'lib/rake/testtask.rb',
+    'lib/rake/packagetask.rb',
+    'lib/rake/clean.rb',
+  ]
 
+  unless File::ALT_SEPARATOR
+    IGNORE_COVERAGE_IN.include(
+      'lib/rake/alt_system.rb',
+      'lib/rake/win32.rb')
+  end
+
   Rcov::RcovTask.new do |t|
     t.libs << "test"
-    dot_rakes =
     t.rcov_opts = [
       '-xRakefile', '-xrakefile', '-xpublish.rf',
-      '-xlib/rake/contrib', '-x/Library',
+      '-xlib/rake/contrib', '-x/Library', '-x.rvm',
       '--text-report',
       '--sort coverage'
-    ] + FileList['rakelib/*.rake'].pathmap("-x%p")
+    ] + FileList['rakelib/*.rake'].pathmap("-x%p") +
+      IGNORE_COVERAGE_IN.map { |fn| "-x#{fn}" }
     t.test_files = FileList[
       'test/lib/*_test.rb',
       'test/contrib/*_test.rb',
       'test/functional/*_test.rb'
     ]
@@ -246,10 +258,10 @@
 #       s.signing_key = File.join(ENV['CERT_DIR'], 'gem-private_key.pem')
 #       s.cert_chain  = [File.join(ENV['CERT_DIR'], 'gem-public_cert.pem')]
 #     end
   end
 
-  package_task = Gem::PackageTask.new(SPEC) do |pkg|
+  Gem::PackageTask.new(SPEC) do |pkg|
     pkg.need_zip = true
     pkg.need_tar = true
   end
 
   file "rake.gemspec" => ["Rakefile", "lib/rake.rb"] do |t|