https://git.ruby-lang.org/ruby.git/commit/?id=336119dfc5

From 336119dfc5e6baae0a936d6feae780a61975479c Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Thu, 14 May 2020 17:19:39 +0900
Subject: extlibs.rb: fixed Downloader.cache_file call and return value

`cache_dir` is an optinal argument but not a keyword argument, and
the return value is a `Pathname`.

diff --git a/tool/extlibs.rb b/tool/extlibs.rb
index e2605f5..33462ce 100755
--- a/tool/extlibs.rb
+++ b/tool/extlibs.rb
@@ -27,7 +27,7 @@ class ExtLibs https://github.com/ruby/ruby/blob/trunk/tool/extlibs.rb#L27
   end
 
   def cache_file(url, cache_dir)
-    Downloader.cache_file(url, nil, :cache_dir => cache_dir)
+    Downloader.cache_file(url, nil, cache_dir).to_path
   end
 
   def do_download(url, cache_dir)
-- 
cgit v0.10.2


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