padrino-gen in padrino-gen-0.9.5

- old
+ new
@@ -1,12 +1,12 @@
 #!/usr/bin/env ruby
 require 'rubygems'
-$:.unshift File.dirname(__FILE__) + "/../lib"
+padrino_gen_path = File.expand_path('../../lib', __FILE__)
+$:.unshift(padrino_gen_path) if File.directory?(padrino_gen_path) && !$:.include?(padrino_gen_path)
 
 # We try to load the vendored padrino-core if exist
-if File.exist?(File.dirname(__FILE__) + "/../../padrino-core/lib")
-  $:.unshift File.dirname(__FILE__) + "/../../padrino-core/lib"
-end
+padrino_core_path = File.expand_path('../../../padrino-core/lib', __FILE__)
+$:.unshift(padrino_core_path) if File.directory?(padrino_core_path) && !$:.include?(padrino_core_path)
 
 require 'padrino-gen'
 require 'padrino-gen/generators/cli'
 
 # We need our config boot because we need to load registered generators so:
\ No newline at end of file