Rakefile in gem-grep-0.6.2 vs Rakefile in gem-grep-0.7.0

@@ -1,13 +1,13 @@
 
 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|
   s.name    = 'gem-grep'
-  s.version = '0.6.2'
+  s.version = '0.7.0'
   s.add_runtime_dependency('gem-path')
 end