* gem_prelude.rb (push_all_highest_version_gems_on_load_path):

simplified.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,7 @@
-Wed Dec 30 17:49:47 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Wed Dec 30 17:59:14 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* gem_prelude.rb (push_all_highest_version_gems_on_load_path):
+	  simplified.
 
 	* lib/rubygems/command_manager.rb (Gem#load_and_instantiate):
 	  rescue only NameError from const_get.

gem_prelude.rb

@@ -233,19 +233,11 @@ if defined?(Gem) then
             Dir.entries(gems_directory).each do |gem_directory_name|
               next if gem_directory_name == "." || gem_directory_name == ".."
 
-              dash = gem_directory_name.rindex("-")
-              next if dash.nil?
-
-              gem_name = gem_directory_name[0...dash]
+              next unless gem_name = gem_directory_name[/(.*)-(.*)/, 1]
+              new_version = integers_for($2)
               current_version = GemVersions[gem_name]
-              new_version = integers_for(gem_directory_name[dash+1..-1])
 
-              if current_version then
-                if (current_version <=> new_version) == -1 then
-                  GemVersions[gem_name] = new_version
-                  GemPaths[gem_name] = File.join(gems_directory, gem_directory_name)
-                end
-              else
+              if !current_version or (current_version <=> new_version) < 0 then
                 GemVersions[gem_name] = new_version
                 GemPaths[gem_name] = File.join(gems_directory, gem_directory_name)
               end

lib/rubygems/installer.rb

@@ -325,7 +325,7 @@ class Gem::Installer
 
     @spec.executables.each do |filename|
       filename.untaint
-      bin_path = File.expand_path File.join(@gem_dir, @spec.bindir, filename)
+      bin_path = File.expand_path("#{@spec.bindir}/#{filename}", @gem_dir)
       mode = File.stat(bin_path).mode | 0111
       File.chmod mode, bin_path
 

lib/rubygems/test_utilities.rb

@@ -102,30 +102,17 @@ end
 #--
 # This class was added to flush out problems in Rubinius' IO implementation.
 
-class TempIO
-
-  @@count = 0
-
+class TempIO < Tempfile
   def initialize(string = '')
-    @tempfile = Tempfile.new "TempIO-#{@@count += 1}"
-    @tempfile.binmode
-    @tempfile.write string
-    @tempfile.rewind
-  end
-
-  def method_missing(meth, *args, &block)
-    @tempfile.send(meth, *args, &block)
-  end
-
-  def respond_to?(meth)
-    @tempfile.respond_to? meth
+    super "TempIO"
+    binmode
+    write string
+    rewind
   end
 
   def string
-    @tempfile.flush
-
-    Gem.read_binary @tempfile.path
+    flush
+    Gem.read_binary path
   end
-
 end