https://git.ruby-lang.org/ruby.git/commit/?id=9ea1fc27a9

From 9ea1fc27a93c9a7a8f9aa2f8f61bc2529e93abb2 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Sun, 2 Jun 2019 13:17:38 +0300
Subject: Try to use Dir.mktmpdir.


diff --git a/test/racc/helper.rb b/test/racc/helper.rb
index 1eaa7ed..cee5094 100644
--- a/test/racc/helper.rb
+++ b/test/racc/helper.rb
@@ -11,7 +11,7 @@ module Racc https://github.com/ruby/ruby/blob/trunk/test/racc/helper.rb#L11
 
     test_dir = File.join(PROJECT_DIR, 'test')
     test_dir = File.join(PROJECT_DIR, 'racc') unless File.exist?(test_dir)
-    TEST_DIR = test_dir
+    TEST_DIR = Dir.mktmpdir(test_dir)
     racc = File.join(PROJECT_DIR, 'bin', 'racc')
     racc = File.join(PROJECT_DIR, '..', 'libexec', 'racc') unless File.exist?(racc)
     RACC = racc
@@ -19,8 +19,8 @@ module Racc https://github.com/ruby/ruby/blob/trunk/test/racc/helper.rb#L19
     TAB_DIR   = File.join(TEST_DIR, 'tab') # generated parsers go here
     LOG_DIR   = File.join(TEST_DIR, 'log')
     ERR_DIR   = File.join(TEST_DIR, 'err')
-    ASSET_DIR = File.join(TEST_DIR, 'assets') # test grammars
-    REGRESS_DIR  = File.join(TEST_DIR, 'regress') # known-good generated outputs
+    ASSET_DIR = File.join(test_dir, 'assets') # test grammars
+    REGRESS_DIR  = File.join(test_dir, 'regress') # known-good generated outputs
 
     INC = [
       File.join(PROJECT_DIR, 'lib'),
-- 
cgit v0.10.2


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