https://git.ruby-lang.org/ruby.git/commit/?id=a3d2200b2a

From a3d2200b2ab29d4b8a127993254c34e90a5f341f Mon Sep 17 00:00:00 2001
From: Andre Arko <andre@a...>
Date: Tue, 13 Jul 2021 02:25:09 -0700
Subject: [rubygems/rubygems] test loading bad plugins with nil/empty names

https://github.com/rubygems/rubygems/commit/e64b1f3497
---
 lib/bundler/plugin.rb               | 2 ++
 spec/bundler/bundler/plugin_spec.rb | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/bundler/plugin.rb b/lib/bundler/plugin.rb
index 023c25b..bfe4fd7 100644
--- a/lib/bundler/plugin.rb
+++ b/lib/bundler/plugin.rb
@@ -309,6 +309,8 @@ module Bundler https://github.com/ruby/ruby/blob/trunk/lib/bundler/plugin.rb#L309
     #
     # @param [String] name of the plugin
     def load_plugin(name)
+      return unless name && !name.empty?
+
       # Need to ensure before this that plugin root where the rest of gems
       # are installed to be on load path to support plugin deps. Currently not
       # done to avoid conflicts
diff --git a/spec/bundler/bundler/plugin_spec.rb b/spec/bundler/bundler/plugin_spec.rb
index cc28382..d1a05bb 100644
--- a/spec/bundler/bundler/plugin_spec.rb
+++ b/spec/bundler/bundler/plugin_spec.rb
@@ -277,7 +277,7 @@ RSpec.describe Bundler::Plugin do https://github.com/ruby/ruby/blob/trunk/spec/bundler/bundler/plugin_spec.rb#L277
       Bundler::Plugin::Events.send(:define, :EVENT_2, "event-2")
 
       allow(index).to receive(:hook_plugins).with(Bundler::Plugin::Events::EVENT_1).
-        and_return(["foo-plugin"])
+        and_return(["foo-plugin", "", nil])
       allow(index).to receive(:hook_plugins).with(Bundler::Plugin::Events::EVENT_2).
         and_return(["foo-plugin"])
       allow(index).to receive(:plugin_path).with("foo-plugin").and_return(path)
-- 
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