Import RubyGems trunk revision 1493.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,15 @@
+Sat Nov 10 16:37:07 2007  Eric Hodel  <drbrain@segment7.net>
+
+	* lib/rubygems: Import RubyGems revision 1493.
+
+	* lib/rubygems.rb: ditto.
+
+	* lib/ubygems.rb: ditto.
+
+	* lib/rbconfig/datadir.rb: ditto.
+
+	* test/rubygems: ditto.
+
 Sat Nov 10 16:34:21 2007  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/soap/property.rb: Don't override Enumerable#inject for 1.9.

lib/rbconfig/datadir.rb

@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+#--
+# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
+# All rights reserved.
+# See LICENSE.txt for permissions.
+#++
+
+
+module Config
+
+  # Only define datadir if it doesn't already exist.
+  unless Config.respond_to?(:datadir)
+
+    # Return the path to the data directory associated with the given
+    # package name.  Normally this is just
+    # "#{Config::CONFIG['datadir']}/#{package_name}", but may be
+    # modified by packages like RubyGems to handle versioned data
+    # directories.
+    def Config.datadir(package_name)
+      File.join(CONFIG['datadir'], package_name)
+    end
+
+  end
+end