https://git.ruby-lang.org/ruby.git/commit/?id=fdc005e54e

From fdc005e54e58bbf005381bcfc7ac59d56fb05aac Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Fri, 27 Aug 2021 01:47:33 +0900
Subject: [ruby/reline] Completion journey starts with one of candidates

First one is just original string.

https://github.com/ruby/reline/commit/ccb70cc240
---
 lib/reline/line_editor.rb | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index 5d7095b..b449f4f 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -1176,6 +1176,16 @@ class Reline::LineEditor https://github.com/ruby/ruby/blob/trunk/lib/reline/line_editor.rb#L1176
       @completion_journey_data = CompletionJourneyData.new(
         preposing, postposing,
         [target] + list.select{ |item| item.start_with?(target) }, 0)
+      if @completion_journey_data.list.size == 1
+        @completion_journey_data.pointer = 0
+      else
+        case direction
+        when :up
+          @completion_journey_data.pointer = @completion_journey_data.list.size - 1
+        when :down
+          @completion_journey_data.pointer = 1
+        end
+      end
       @completion_state = CompletionState::JOURNEY
     else
       case direction
@@ -1190,13 +1200,13 @@ class Reline::LineEditor https://github.com/ruby/ruby/blob/trunk/lib/reline/line_editor.rb#L1200
           @completion_journey_data.pointer = 0
         end
       end
-      completed = @completion_journey_data.list[@completion_journey_data.pointer]
-      @line = @completion_journey_data.preposing + completed + @completion_journey_data.postposing
-      line_to_pointer = @completion_journey_data.preposing + completed
-      @cursor_max = calculate_width(@line)
-      @cursor = calculate_width(line_to_pointer)
-      @byte_pointer = line_to_pointer.bytesize
     end
+    completed = @completion_journey_data.list[@completion_journey_data.pointer]
+    @line = @completion_journey_data.preposing + completed + @completion_journey_data.postposing
+    line_to_pointer = @completion_journey_data.preposing + completed
+    @cursor_max = calculate_width(@line)
+    @cursor = calculate_width(line_to_pointer)
+    @byte_pointer = line_to_pointer.bytesize
   end
 
   private def run_for_operators(key, method_symbol, &block)
-- 
cgit v1.1


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