Rakefile in pork-2.0.0 vs Rakefile in pork-2.1.0

@@ -1,16 +1,17 @@
 
 begin
-  require "#{dir = File.dirname(__FILE__)}/task/gemgem"
+  require "#{__dir__}/task/gemgem"
 rescue LoadError
-  sh 'git submodule update --init'
+  sh 'git submodule update --init --recursive'
   exec Gem.ruby, '-S', $PROGRAM_NAME, *ARGV
 end
 
-Gemgem.init(dir) do |s|
+Gemgem.init(__dir__) do |s|
   require 'pork/version'
   s.name    = 'pork'
   s.version = Pork::VERSION
+  s.files.delete('screenshot.png')
+
   %w[method_source ruby-progressbar].
     each(&s.method(:add_development_dependency))
-  s.files.delete('screenshot.png')
 end