https://git.ruby-lang.org/ruby.git/commit/?id=9bfb8ea671

From 9bfb8ea6715571b4318b018b703d40750acf2ccb Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Fri, 6 Aug 2021 13:33:47 +0900
Subject: Fix caching of curses_dl

---
 lib/reline/terminfo.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/reline/terminfo.rb b/lib/reline/terminfo.rb
index 79f3f1d..a2dae44 100644
--- a/lib/reline/terminfo.rb
+++ b/lib/reline/terminfo.rb
@@ -20,9 +20,9 @@ module Reline::Terminfo https://github.com/ruby/ruby/blob/trunk/lib/reline/terminfo.rb#L20
     end
   end
 
-  @curses_dl = nil
+  @curses_dl = false
   def self.curses_dl
-    return @curses_dl if @curses_dl
+    return @curses_dl unless @curses_dl == false
     if RUBY_VERSION >= '3.0.0'
       # Gem module isn't defined in test-all of the Ruby repository, and
       # Fiddle in Ruby 3.0.0 or later supports Fiddle::TYPE_VARIADIC.
@@ -47,6 +47,7 @@ module Reline::Terminfo https://github.com/ruby/ruby/blob/trunk/lib/reline/terminfo.rb#L47
         break
       end
     end
+    @curses_dl = nil if @curses_dl == false
     @curses_dl
   end
 end
-- 
cgit v1.1


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