From 6bcfa84849d0764a400767ee6f66e16242127fae Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 5 Apr 2018 09:48:16 +0000
Subject: lib/rubygems/test_case.rb: take over @gem_prelude_index

Gem::TestCase normalizes each path in $LOAD_PATH, which deleted the flag
of @gem_prelude_index.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rubygems/test_case.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'lib/rubygems')

diff --git a/lib/rubygems/test_case.rb b/lib/rubygems/test_case.rb
index bb6f4fde88..aa6df267f2 100644
--- a/lib/rubygems/test_case.rb
+++ b/lib/rubygems/test_case.rb
@@ -295,7 +295,16 @@ class Gem::TestCase < MiniTest::Unit::TestCase
 
     @orig_LOAD_PATH = $LOAD_PATH.dup
     $LOAD_PATH.map! { |s|
-      (expand_path = File.expand_path(s)) == s ? s : expand_path.untaint
+      expand_path = File.expand_path(s)
+      if expand_path != s
+        expand_path.untaint
+        if s.instance_variable_defined?(:@gem_prelude_index)
+          expand_path.instance_variable_set(:@gem_prelude_index, expand_path)
+        end
+        expand_path.freeze if s.frozen?
+        s = expand_path
+      end
+      s
     }
 
     Dir.chdir @tempdir
-- 
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