From 2d112c346a7a1369af1236928538a3b3a833f781 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@gmail.com>
Date: Wed, 11 Nov 2020 00:05:33 +0900
Subject: [PATCH] [ruby/irb] Stop using bang version for #inspect of result

https://github.com/ruby/irb/commit/fc1426d34e
---
 lib/irb.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/irb.rb b/lib/irb.rb
index 2b3c85a348..579fd67c67 100644
--- a/lib/irb.rb
+++ b/lib/irb.rb
@@ -761,7 +761,7 @@ module IRB
             str = "%s...\e[0m" % lines.first
             multiline_p = false
           else
-            str.gsub!(/(\A.*?\n).*/m, "\\1...")
+            str = str.gsub(/(\A.*?\n).*/m, "\\1...")
           end
         else
           output_width = Reline::Unicode.calculate_width(@context.return_format % str, true)