From 7ab4820af7b39e12023ab3aee74cb7e66e97f786 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Thu, 8 Dec 2022 16:28:13 +1300
Subject: [PATCH] [ruby/logger] Only assign to `@filename` if the path is
 valid. (https://github.com/ruby/logger/pull/81)

https://github.com/ruby/logger/commit/b41d7c699c
---
 lib/logger/log_device.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/logger/log_device.rb b/lib/logger/log_device.rb
index 8683328a5e..84277a2656 100644
--- a/lib/logger/log_device.rb
+++ b/lib/logger/log_device.rb
@@ -79,8 +79,10 @@ class Logger
     def set_dev(log)
       if log.respond_to?(:write) and log.respond_to?(:close)
         @dev = log
-        if log.respond_to?(:path)
-          @filename = log.path
+        if log.respond_to?(:path) and path = log.path
+          if File.exist?(path)
+            @filename = path
+          end
         end
       else
         @dev = open_logfile(log)