https://git.ruby-lang.org/ruby.git/commit/?id=828cefd629

From 828cefd629e036c96fbd50013965f61df39417ce Mon Sep 17 00:00:00 2001
From: bronzdoc <lsagastume1990@g...>
Date: Mon, 31 Aug 2020 08:52:59 -0600
Subject: [rubygems/rubygems] Add --dryrun to the deprecated options when
 showing the help message

https://github.com/rubygems/rubygems/commit/38230a77c1

diff --git a/lib/rubygems/commands/cleanup_command.rb b/lib/rubygems/commands/cleanup_command.rb
index e5f438b..662badc 100644
--- a/lib/rubygems/commands/cleanup_command.rb
+++ b/lib/rubygems/commands/cleanup_command.rb
@@ -15,7 +15,7 @@ class Gem::Commands::CleanupCommand < Gem::Command https://github.com/ruby/ruby/blob/trunk/lib/rubygems/commands/cleanup_command.rb#L15
       options[:dryrun] = true
     end
 
-    add_option('--dryrun',
+    add_option(:Deprecated, '--dryrun',
                'Do not uninstall gems') do |value, options|
       options[:dryrun] = true
     end
-- 
cgit v0.10.2


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