* gem_prelude.rb (Gem::QuickLoader.load_full_rubygems_library):

get rid of creating same regexps many times.

* lib/rubygems/custom_require.rb (Kernel#require): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27455 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Fri Apr 23 14:37:22 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* gem_prelude.rb (Gem::QuickLoader.load_full_rubygems_library):
+	  get rid of creating same regexps many times.
+
+	* lib/rubygems/custom_require.rb (Kernel#require): ditto.
+
 Fri Apr 23 14:07:36 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* doc/etc.rd, doc/etc.rd.ja: moved from ext/etc.

gem_prelude.rb

@@ -142,9 +142,7 @@ if defined?(Gem) then
         @loaded_full_rubygems_library = true
 
         class << Gem
-          Gem::GEM_PRELUDE_METHODS.each do |method_name|
-            undef_method method_name
-          end
+          undef_method *Gem::GEM_PRELUDE_METHODS
           undef_method :const_missing
           undef_method :method_missing
         end
@@ -154,10 +152,8 @@ if defined?(Gem) then
         end
 
         $".delete path_to_full_rubygems_library
-        $".each do |path|
-          if /#{Regexp.escape File::SEPARATOR}rubygems\.rb\z/ =~ path
-            raise LoadError, "another rubygems is already loaded from #{path}"
-          end
+        if $".any? {|path| path.end_with?('/rubygems.rb')}
+          raise LoadError, "another rubygems is already loaded from #{path}"
         end
         require 'rubygems'
       end

lib/rubygems/custom_require.rb

@@ -30,7 +30,7 @@ module Kernel
   def require(path) # :doc:
     gem_original_require path
   rescue LoadError => load_error
-    if load_error.message =~ /#{Regexp.escape path}\z/ and
+    if load_error.message.end_with?(path) and
        spec = Gem.searcher.find(path) then
       Gem.activate(spec.name, "= #{spec.version}")
       gem_original_require path