class method self.exec_script_rails!

# File railties/lib/rails/script_rails_loader.rb, line 8
    def self.exec_script_rails!
      cwd = Dir.pwd
      return unless in_rails_application? || in_rails_application_subdirectory?
      exec RUBY, SCRIPT_RAILS, *ARGV if in_rails_application?
      Dir.chdir("..") do
        # Recurse in a chdir block: if the search fails we want to be sure
        # the application is generated in the original working directory.
        exec_script_rails! unless cwd == Dir.pwd
      end
    rescue SystemCallError
      # could not chdir, no problem just return
    end