From 2a61e1dccc85fc4c8d6d41ef246b96d0dde0096c Mon Sep 17 00:00:00 2001
From: Josh Nichols <josh.nichols@gusto.com>
Date: Wed, 16 Aug 2023 15:04:06 -0400
Subject: [rubygems/rubygems] Use Array#union to join these, instead of with |
 multiple times. This saves allocating 2 arrays

https://github.com/rubygems/rubygems/commit/48c03b33b7
---
 lib/bundler/settings.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/bundler/settings.rb')

diff --git a/lib/bundler/settings.rb b/lib/bundler/settings.rb
index c12d1d4f74..b3cd274f31 100644
--- a/lib/bundler/settings.rb
+++ b/lib/bundler/settings.rb
@@ -146,7 +146,7 @@ module Bundler
     end
 
     def all
-      keys = @temporary.keys | @global_config.keys | @local_config.keys | @env_config.keys
+      keys = @temporary.keys.union(@global_config.keys, @local_config.keys, @env_config.keys)
 
       keys.map do |key|
         key.sub(/^BUNDLE_/, "").gsub(/___/, "-").gsub(/__/, ".").downcase
-- 
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