https://git.ruby-lang.org/ruby.git/commit/?id=a5289bfa71

From a5289bfa71d85d7c3ab1ebf94237edecd847851b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?= <deivid.rodriguez@r...>
Date: Tue, 5 Oct 2021 13:14:17 +0200
Subject: [ruby/rubygems] Install location safety should consider casing

https://github.com/rubygems/rubygems/commit/0a0ad34af3
---
 lib/rubygems/package.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rubygems/package.rb b/lib/rubygems/package.rb
index 10d9b85bf3..7f843f4e0a 100644
--- a/lib/rubygems/package.rb
+++ b/lib/rubygems/package.rb
@@ -471,7 +471,7 @@ EOM https://github.com/ruby/ruby/blob/trunk/lib/rubygems/package.rb#L471
     destination = File.expand_path(filename, destination_dir)
 
     raise Gem::Package::PathError.new(destination, destination_dir) unless
-      destination.start_with? destination_dir + '/'
+      normalize_path(destination).start_with? normalize_path(destination_dir + '/')
 
     begin
       real_destination = File.expand_path(File.realpath(destination))
-- 
cgit v1.2.1


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