From 650a65c6fc7955d1ccfca16d3876c3f6a07a015c Mon Sep 17 00:00:00 2001
From: Masafumi Koba <473530+ybiquitous@users.noreply.github.com>
Date: Thu, 15 Jul 2021 20:25:12 +0900
Subject: [PATCH] [rubygems/rubygems] Add missing `require 'fileutils'` in
 `Gem::ConfigFile`

https://github.com/rubygems/rubygems/commit/c4004fadd9
---
 lib/rubygems/config_file.rb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/rubygems/config_file.rb b/lib/rubygems/config_file.rb
index 3746d7aab0..02bb2be122 100644
--- a/lib/rubygems/config_file.rb
+++ b/lib/rubygems/config_file.rb
@@ -320,7 +320,8 @@ if you believe they were disclosed to a third party.
     config = load_file(credentials_path).merge(host => api_key)
 
     dirname = File.dirname credentials_path
-    FileUtils.mkdir_p(dirname) unless File.exist? dirname
+    require 'fileutils'
+    FileUtils.mkdir_p(dirname)
 
     Gem.load_yaml
 
@@ -457,9 +458,8 @@ if you believe they were disclosed to a third party.
 
   # Writes out this config file, replacing its source.
   def write
-    unless File.exist?(File.dirname(config_file_name))
-      FileUtils.mkdir_p File.dirname(config_file_name)
-    end
+    require 'fileutils'
+    FileUtils.mkdir_p File.dirname(config_file_name)
 
     File.open config_file_name, 'w' do |io|
       io.write to_yaml