https://git.ruby-lang.org/ruby.git/commit/?id=a19ed1623f

From a19ed1623f0341471b90888d02cfcf2601c5f2db Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Tue, 2 Feb 2021 21:29:20 +0900
Subject: [ruby/reline] The vi_histedit supports multiline

This closes ruby/reline#253.

https://github.com/ruby/reline/commit/f131f86d71
---
 lib/reline/line_editor.rb | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index b21eeab..84cd8a0 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -2462,11 +2462,23 @@ class Reline::LineEditor https://github.com/ruby/ruby/blob/trunk/lib/reline/line_editor.rb#L2462
 
   private def vi_histedit(key)
     path = Tempfile.open { |fp|
-      fp.write @line
+      if @is_multiline
+        fp.write whole_lines.join("\n")
+      else
+        fp.write @line
+      end
       fp.path
     }
     system("#{ENV['EDITOR']} #{path}")
-    @line = File.read(path)
+    if @is_multiline
+      @buffer_of_lines = File.read(path).split("\n")
+      @buffer_of_lines = [String.new(encoding: @encoding)] if @buffer_of_lines.empty?
+      @line_index = 0
+      @line = @buffer_of_lines[@line_index]
+      @rerender_all = true
+    else
+      @line = File.read(path)
+    end
     finish
   end
 
-- 
cgit v1.1


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