From ae93ebae677f685aab155d7982c64c1cb6e4b69c Mon Sep 17 00:00:00 2001
From: Lourens Naudé <lourens@bearmetal.eu>
Date: Sat, 28 Mar 2020 16:16:00 +0000
Subject: [ruby/logger] Let Logger#reopen not raise on nil log devices

https://github.com/ruby/logger/commit/da7bf844e5
---
 lib/logger.rb              | 2 +-
 test/logger/test_logger.rb | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/logger.rb b/lib/logger.rb
index 4000dae50c..854687c720 100644
--- a/lib/logger.rb
+++ b/lib/logger.rb
@@ -410,7 +410,7 @@ class Logger
   # Reopen a log device.
   #
   def reopen(logdev = nil)
-    @logdev.reopen(logdev)
+    @logdev&.reopen(logdev)
     self
   end
 
diff --git a/test/logger/test_logger.rb b/test/logger/test_logger.rb
index f8cc2e5bd6..4bbfd523c0 100644
--- a/test/logger/test_logger.rb
+++ b/test/logger/test_logger.rb
@@ -216,6 +216,13 @@ class TestLogger < Test::Unit::TestCase
     assert_equal(STDOUT, logger.instance_variable_get(:@logdev).dev)
   end
 
+  def test_reopen_nil_logdevice
+    logger = Logger.new(File::NULL)
+    assert_nothing_raised do
+      logger.reopen(STDOUT)
+    end
+  end
+
   def test_add
     logger = Logger.new(nil)
     logger.progname = "my_progname"
-- 
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