From ada64aa9e7f1e087b9fd536d9bc512de401f42a0 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Sat, 25 May 2019 07:48:58 -0700
Subject: Clear IRB::Color escape sequence before newline

because otherwise prompt and other things could be polluted.
---
 lib/irb/color.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/irb')

diff --git a/lib/irb/color.rb b/lib/irb/color.rb
index 8cee483261..ad5b203010 100644
--- a/lib/irb/color.rb
+++ b/lib/irb/color.rb
@@ -82,7 +82,7 @@ module IRB # :nodoc:
         Ripper.lex(code).each do |(_line, _col), token, str, expr|
           if seq = dispatch_seq(token, expr, str)
             Reline::Unicode.escape_for_print(str).each_line do |line|
-              colored << "#{seq.map { |s| "\e[#{s}m" }.join('')}#{line}#{clear}"
+              colored << "#{seq.map { |s| "\e[#{s}m" }.join('')}#{line.sub(/\n?\z/, "#{clear}\\0")}"
             end
           else
             colored << Reline::Unicode.escape_for_print(str)
-- 
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