https://git.ruby-lang.org/ruby.git/commit/?id=cdd7d41046

From cdd7d41046f6c91dfa8a1f0612dc686b79f6e849 Mon Sep 17 00:00:00 2001
From: tompng <tomoyapenguin@g...>
Date: Tue, 28 Jul 2020 17:25:06 +0900
Subject: [ruby/reline] fix cursor_pos regexp match

https://github.com/ruby/reline/commit/1dd80ef188

diff --git a/lib/reline/ansi.rb b/lib/reline/ansi.rb
index a9fb959..d2c3289 100644
--- a/lib/reline/ansi.rb
+++ b/lib/reline/ansi.rb
@@ -112,10 +112,11 @@ class Reline::ANSI https://github.com/ruby/ruby/blob/trunk/lib/reline/ansi.rb#L112
       @@input.raw do |stdin|
         @@output << "\e[6n"
         @@output.flush
-        while (c = stdin.getc) != 'R'
-          res << c if c
+        while (c = stdin.getc)
+          res << c
+          m = res.match(/\e\[(?<row>\d+);(?<column>\d+)R/)
+          break if m
         end
-        m = res.match(/\e\[(?<row>\d+);(?<column>\d+)/)
         (m.pre_match + m.post_match).chars.reverse_each do |ch|
           stdin.ungetc ch
         end
-- 
cgit v0.10.2


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