From fcca39fa73607e6acf2aea00fd8bf746023955dc Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@gmail.com>
Date: Thu, 30 May 2019 18:20:59 +0900
Subject: Fix strange vertical cursor moving when adding a newline at bottom

---
 lib/reline/line_editor.rb | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index e84d087ac1..805053fbff 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -360,8 +360,12 @@ class Reline::LineEditor
       back = 0
       modify_lines(new_lines).each_with_index do |line, index|
         height = render_partial(prompt, prompt_width, line, false)
-        move_cursor_down(1)
-        back += height
+        if index < (new_lines.size - 1)
+          scroll_down(1)
+          back += height
+        else
+          back += height - 1
+        end
       end
       move_cursor_up(back)
       if @previous_line_index
-- 
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