refactor out ruby_info to method

Author: e2

lib/ruby_dep/warning.rb

@@ -43,8 +43,7 @@ def show_warnings
 
     def check_ruby
       version = Gem::Version.new(RUBY_VERSION)
-      info = VERSION_INFO[RUBY_ENGINE] || {}
-      info.each do |ruby, status|
+      current_ruby_info.each do |ruby, status|
         return status if version >= Gem::Version.new(ruby)
       end
       :insecure
@@ -54,5 +53,9 @@ def silenced?
       value = ENV['RUBY_DEP_GEM_SILENCE_WARNINGS']
       (value || '0') !~ /^0|false|no|n$/
     end
+
+    def current_ruby_info
+      VERSION_INFO[RUBY_ENGINE] || {}
+    end
   end
 end