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ruby-changes:59589

From: Yusuke <ko1@a...>
Date: Wed, 1 Jan 2020 06:39:21 +0900 (JST)
Subject: [ruby-changes:59589] 337ba56aff (master): [ruby/reline] Degenerate the terminal size to [$LINES, $COLUMNS] if it is unknown

https://git.ruby-lang.org/ruby.git/commit/?id=337ba56aff

From 337ba56aff37d34896c0dd091f1bcfb4a556126b Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Sun, 29 Dec 2019 09:01:00 +0900
Subject: [ruby/reline] Degenerate the terminal size to [$LINES, $COLUMNS] if
 it is unknown

This is a workaround for https://github.com/ruby/irb/issues/50

https://github.com/ruby/reline/commit/5725677d1a

diff --git a/lib/reline/ansi.rb b/lib/reline/ansi.rb
index 8d83da8..27157f0 100644
--- a/lib/reline/ansi.rb
+++ b/lib/reline/ansi.rb
@@ -50,7 +50,11 @@ class Reline::ANSI https://github.com/ruby/ruby/blob/trunk/lib/reline/ansi.rb#L50
   end
 
   def self.get_screen_size
-    @@input.winsize
+    s = @@input.winsize
+    return s if s[0] > 0 && s[1] > 0
+    s = [ENV["LINES"].to_i, ENV["COLUMNS"].to_i]
+    return s if s[0] > 0 && s[1] > 0
+    [24, 80]
   rescue Errno::ENOTTY
     [24, 80]
   end
-- 
cgit v0.10.2


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