https://git.ruby-lang.org/ruby.git/commit/?id=f863bc505c

From f863bc505cf1a976aecd0ed3cb21a3a82956953e Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 14 Sep 2022 11:05:43 +0900
Subject: [ruby/irb] Fix the error when LC_MESSAGES config value is nil

https://github.com/ruby/irb/commit/6bbde84369
---
 lib/irb/ext/save-history.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/irb/ext/save-history.rb b/lib/irb/ext/save-history.rb
index ad954c3558..2135184dba 100644
--- a/lib/irb/ext/save-history.rb
+++ b/lib/irb/ext/save-history.rb
@@ -113,7 +113,7 @@ module IRB https://github.com/ruby/ruby/blob/trunk/lib/irb/ext/save-history.rb#L113
           append_history = true
         end
 
-        open(history_file, "#{append_history ? 'a' : 'w'}:#{IRB.conf[:LC_MESSAGES].encoding}", 0600) do |f|
+        File.open(history_file, (append_history ? 'a' : 'w'), 0o600, encoding: IRB.conf[:LC_MESSAGES]&.encoding) do |f|
           hist = history.map{ |l| l.split("\n").join("\\\n") }
           unless append_history
             begin
-- 
cgit v1.2.1


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