From c815c0be46b83c1c5c50a88cd1452635208fbee4 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@gmail.com>
Date: Fri, 24 Dec 2021 20:07:55 +0900
Subject: [ruby/reline] Escape newline(s) in dynamic prompt

https://github.com/ruby/reline/commit/9b209ee1ea
---
 lib/reline/line_editor.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/reline')

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index 5968af708b..90cc4b2db2 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -121,7 +121,7 @@ class Reline::LineEditor
       if use_cached_prompt_list
         prompt_list = @cached_prompt_list
       else
-        prompt_list = @cached_prompt_list = @prompt_proc.(buffer)
+        prompt_list = @cached_prompt_list = @prompt_proc.(buffer).map { |pr| pr.gsub("\n", "\\n") }
         @prompt_cache_time = Time.now.to_f
       end
       prompt_list.map!{ prompt } if @vi_arg or @searching_prompt
-- 
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