From 1dd94dfba3ed3ffd087d1ba93154cb922033a37c Mon Sep 17 00:00:00 2001
From: NAKAMURA Usaku <usa@ruby-lang.org>
Date: Tue, 30 Apr 2019 21:51:03 +0900
Subject: Must use IO::NULL instead of platform dependent filename

---
 tool/redmine-backporter.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tool/redmine-backporter.rb b/tool/redmine-backporter.rb
index 3c2d46d4ea..1ac001bb6e 100755
--- a/tool/redmine-backporter.rb
+++ b/tool/redmine-backporter.rb
@@ -436,7 +436,7 @@ eom
       next
     end
 
-    if system("svn info #{RUBY_REPO_PATH&.shellescape} > /dev/null 2>&1") # SVN
+    if system("svn info #{RUBY_REPO_PATH&.shellescape} > #{IO::NULL} 2>&1") # SVN
       if log = find_svn_log("##@issue]") && /revision="(?<rev>\d+)/ =~ log
         rev = "r#{rev}"
       end
-- 
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