* lib/rubygems*: Updated to RubyGems 2.0

* test/rubygems*:  ditto.

* common.mk (prelude):  Updated for RubyGems 2.0 source rearrangement.

* tool/change_maker.rb:  Allow invalid UTF-8 characters in source
  files.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37976 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rubygems/commands/contents_command.rb

@@ -1,3 +1,4 @@
+require 'English'
 require 'rubygems/command'
 require 'rubygems/version_option'
 
@@ -80,19 +81,36 @@ class Gem::Commands::ContentsCommand < Gem::Command
         terminate_interaction 1 if gem_names.length == 1
       end
 
-      gem_path = spec.full_gem_path
-      extra    = "/{#{spec.require_paths.join ','}}" if options[:lib_only]
-      glob     = "#{gem_path}#{extra}/**/*"
-      files    = Dir[glob]
+      if spec.default_gem?
+        files = spec.files.map do |file|
+          case file
+          when /\A#{spec.bindir}\//
+            [Gem::ConfigMap[:bindir], $POSTMATCH]
+          when /\.so\z/
+            [Gem::ConfigMap[:archdir], file]
+          else
+            [Gem::ConfigMap[:rubylibdir], file]
+          end
+        end
+      else
+        gem_path  = spec.full_gem_path
+        extra     = "/{#{spec.require_paths.join ','}}" if options[:lib_only]
+        glob      = "#{gem_path}#{extra}/**/*"
+        prefix_re = /#{Regexp.escape(gem_path)}\//
+        files     = Dir[glob].map do |file|
+          [gem_path, file.sub(prefix_re, "")]
+        end
+      end
 
-      gem_path = File.join gem_path, '' # add trailing / if missing
+      files.sort.each do |prefix, basename|
+        absolute_path = File.join(prefix, basename)
+        next if File.directory? absolute_path
 
-      files.sort.each do |file|
-        next if File.directory? file
-
-        file = file.sub gem_path, '' unless options[:prefix]
-
-        say file
+        if options[:prefix]
+          say absolute_path
+        else
+          say basename
+        end
       end
     end
   end