https://git.ruby-lang.org/ruby.git/commit/?id=d4257c6152

From d4257c6152ac9ad5179eb77d6e68942a5b9c011f Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Fri, 18 Dec 2020 23:36:33 +0900
Subject: [ruby/reline] Yank by em-kill-region correctly

This closes ruby/reline#106.

https://github.com/ruby/reline/commit/2549a52e15

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index dc1f882..f33b228 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -1941,6 +1941,7 @@ class Reline::LineEditor https://github.com/ruby/ruby/blob/trunk/lib/reline/line_editor.rb#L1941
       @cursor = 0
     end
   end
+  alias_method :kill_line, :em_kill_line
 
   private def em_delete(key)
     if (not @is_multiline and @line.empty?) or (@is_multiline and @line.empty? and @buffer_of_lines.size == 1)
@@ -2139,9 +2140,10 @@ class Reline::LineEditor https://github.com/ruby/ruby/blob/trunk/lib/reline/line_editor.rb#L2140
       @byte_pointer -= byte_size
       @cursor -= width
       @cursor_max -= width
-      @kill_ring.append(deleted)
+      @kill_ring.append(deleted, true)
     end
   end
+  alias_method :unix_word_rubout, :em_kill_region
 
   private def copy_for_vi(text)
     if @config.editing_mode_is?(:vi_insert) or @config.editing_mode_is?(:vi_command)
diff --git a/test/reline/test_key_actor_emacs.rb b/test/reline/test_key_actor_emacs.rb
index 2ba6a32..04c3254 100644
--- a/test/reline/test_key_actor_emacs.rb
+++ b/test/reline/test_key_actor_emacs.rb
@@ -2185,6 +2185,24 @@ class Reline::KeyActor::Emacs::Test < Reline::TestCase https://github.com/ruby/ruby/blob/trunk/test/reline/test_key_actor_emacs.rb#L2185
     assert_line('hoge')
   end
 
+  def test_em_kill_region_with_kill_ring
+    input_keys("def hoge\C-b\C-b\C-b\C-b", false)
+    assert_byte_pointer_size('def ')
+    assert_cursor(4)
+    assert_cursor_max(8)
+    assert_line('def hoge')
+    input_keys("\C-k\C-w", false)
+    assert_byte_pointer_size('')
+    assert_cursor(0)
+    assert_cursor_max(0)
+    assert_line('')
+    input_keys("\C-y", false)
+    assert_byte_pointer_size('def hoge')
+    assert_cursor(8)
+    assert_cursor_max(8)
+    assert_line('def hoge')
+  end
+
 =begin # TODO: move KeyStroke instance from Reline to LineEditor
   def test_key_delete
     input_keys('ab')
-- 
cgit v0.10.2


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