Gem::GemcutterUtilities#api_key

# File tmp/rubies/ruby-4.0.0/lib/rubygems/gemcutter_utilities.rb, line 46
def api_key
  if ENV["GEM_HOST_API_KEY"]
    ENV["GEM_HOST_API_KEY"]
  elsif options[:key]
    verify_api_key options[:key]
  elsif Gem.configuration.api_keys.key?(host)
    Gem.configuration.api_keys[host]
  else
    Gem.configuration.rubygems_api_key
  end
end