* lib/rubygems/installer.rb: Untaint string when checking output

for $SAFE=1

	* lib/rubygems/specification.rb:  Keep previously loaded specs as
	  active.  This prevents double loading when refreshing the gem list.
	* test/rubygems/test_gem.rb:  Test for above

	* lib/rubygems.rb:  Bump version to 2.0.0.rc.2


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38855 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,14 @@
+Thu Jan 17 09:30:21 2013  Eric Hodel  <drbrain@segment7.net>
+
+	* lib/rubygems/installer.rb:  Untaint string when checking output
+	  for $SAFE=1
+
+	* lib/rubygems/specification.rb:  Keep previously loaded specs as
+	  active.  This prevents double loading when refreshing the gem list.
+	* test/rubygems/test_gem.rb:  Test for above
+
+	* lib/rubygems.rb:  Bump version to 2.0.0.rc.2
+
 Thu Jan 17 09:08:37 2013  Eric Hodel  <drbrain@segment7.net>
 
 	* doc/syntax/control_expressions.rdoc:  Added ? : ternary if

lib/rubygems.rb

@@ -98,7 +98,7 @@
 require 'rbconfig'
 
 module Gem
-  VERSION = '2.0.0.preview3.1'
+  VERSION = '2.0.0.rc.2'
 end
 
 # Must be first since it unloads the prelude from 1.9.2

lib/rubygems/installer.rb

@@ -489,6 +489,7 @@ class Gem::Installer
 
   def ensure_loadable_spec
     ruby = spec.to_ruby_for_cache
+    ruby.untaint
 
     begin
       eval ruby

lib/rubygems/specification.rb

@@ -656,6 +656,12 @@ class Gem::Specification
 
       @@all = specs.values
 
+      # After a reset, make sure already loaded specs
+      # are still marked as activated.
+      specs = {}
+      Gem.loaded_specs.each_value{|s| specs[s] = true}
+      @@all.each{|s| s.activated = true if specs[s]}
+
       _resort!
     end
     @@all

test/rubygems/test_gem.rb

@@ -959,6 +959,27 @@ class TestGem < Gem::TestCase
     assert_includes Gem::Specification.all_names, @a1.full_name
   end
 
+  def test_self_refresh_keeps_loaded_specs_activated
+    util_make_gems
+
+    a1_spec = @a1.spec_file
+    moved_path = File.join @tempdir, File.basename(a1_spec)
+
+    FileUtils.mv a1_spec, moved_path
+
+    Gem.refresh
+
+    s = Gem::Specification.first
+    s.activate
+
+    Gem.refresh
+
+    Gem::Specification.each{|spec| assert spec.activated? if spec == s}
+
+    Gem.loaded_specs.delete(s)
+    Gem.refresh
+  end
+
   def test_self_ruby_escaping_spaces_in_path
     orig_ruby = Gem.ruby
     orig_bindir = Gem::ConfigMap[:bindir]