https://git.ruby-lang.org/ruby.git/commit/?id=97819759de

From 97819759de9a3a62bb7a4c137d8aa3eb75138e04 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?= <deivid.rodriguez@r...>
Date: Thu, 11 Jun 2020 12:10:55 +0200
Subject: Revert "Revert "[rubygems/rubygems] Use a local temporary directory""

This reverts commit 20971d0df41368e0f946683823bc786514e16fef.

diff --git a/lib/rubygems/test_case.rb b/lib/rubygems/test_case.rb
index 7cc1b9a..76c783d 100644
--- a/lib/rubygems/test_case.rb
+++ b/lib/rubygems/test_case.rb
@@ -302,6 +302,7 @@ class Gem::TestCase < Minitest::Test https://github.com/ruby/ruby/blob/trunk/lib/rubygems/test_case.rb#L302
     ENV['GEM_VENDOR'] = nil
     ENV['GEMRC'] = nil
     ENV['SOURCE_DATE_EPOCH'] = nil
+    ENV["TMPDIR"] = File.expand_path("tmp")
 
     @current_dir = Dir.pwd
     @fetcher     = nil
-- 
cgit v0.10.2


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