https://git.ruby-lang.org/ruby.git/commit/?id=c5b17b0354

From c5b17b0354755c6540e8cd51aea0a30773437eaf Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Fri, 24 Apr 2020 21:22:05 +0900
Subject: Remove and Restore the original HOME dir (#3057)


diff --git a/test/rdoc/support/test_case.rb b/test/rdoc/support/test_case.rb
index 9a4f04b..bce4802 100644
--- a/test/rdoc/support/test_case.rb
+++ b/test/rdoc/support/test_case.rb
@@ -49,6 +49,9 @@ class RDoc::TestCase < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/rdoc/support/test_case.rb#L49
   def setup
     super
 
+    @orig_home = ENV["HOME"]
+    ENV["HOME"] = Dir.tmpdir
+
     @top_level = nil
 
     @RM = RDoc::Markup
@@ -70,6 +73,15 @@ class RDoc::TestCase < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/rdoc/support/test_case.rb#L73
   end
 
   ##
+  # Abstract test-case teardown
+
+  def teardown
+    ENV["HOME"] = @orig_home
+
+    super
+  end
+
+  ##
   # Asserts +path+ is a file
 
   def assert_file path
-- 
cgit v0.10.2


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