From 95ee154e3f3d324f5dcd47ed76f26194f727b5d3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@redhat.com>
Date: Wed, 6 Feb 2013 14:07:30 +0100
Subject: [PATCH] Do not modify global Specification.dirs during installation.

While gems are installed into --install-dir just fine even without
modifications of Specification.dirs, change in it makes inaccessible
gems already present on the system.
---
 lib/rubygems/dependency_installer.rb | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/lib/rubygems/dependency_installer.rb b/lib/rubygems/dependency_installer.rb
index ed90af0..8b6f93f 100644
--- a/lib/rubygems/dependency_installer.rb
+++ b/lib/rubygems/dependency_installer.rb
@@ -58,12 +58,7 @@ class Gem::DependencyInstaller
 
   def initialize(options = {})
     if options[:install_dir] then
-      @gem_home = options[:install_dir]
-
-      # HACK shouldn't change the global settings
-      Gem::Specification.dirs = @gem_home
-      Gem.ensure_gem_subdirectories @gem_home
-      options[:install_dir] = @gem_home # FIX: because we suck and reuse below
+      Gem.ensure_gem_subdirectories options[:install_dir]
     end
 
     options = DEFAULT_OPTIONS.merge options
-- 
1.8.1