From 3c41ef4749dc5df78c6d500c7e16fef384b53b15 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Fri, 1 Sep 2023 16:33:22 -0700
Subject: [PATCH] [ruby/yarp] Support LANG=C environments in template.rb

https://github.com/ruby/yarp/commit/885d731cf5
---
 yarp/templates/template.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/yarp/templates/template.rb b/yarp/templates/template.rb
index 3969645643..eea3938e9c 100755
--- a/yarp/templates/template.rb
+++ b/yarp/templates/template.rb
@@ -339,7 +339,10 @@ end
 if __FILE__ == $0
   if ARGV.empty?
     YARP::TEMPLATES.each { |filepath| YARP.template(filepath) }
-  else
+  else # ruby/ruby
+    if ENV["LANG"] == "C"
+      Encoding.default_external = Encoding::UTF_8
+    end
     name, write_to = ARGV
     YARP.template(name, write_to: write_to)
   end