Module: Rake

Defined in:
lib/rbbt/resource/rake.rb

Defined Under Namespace

Classes: TaskNotFound

Class Method Summary collapse

Class Method Details

.run(rakefile, dir, task, &block) ⇒ Object 



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# File 'lib/rbbt/resource/rake.rb', line 4

def self.run(rakefile, dir, task, &block)
  old_pwd = FileUtils.pwd

  Rake::FileTask.module_eval do
    if not self.respond_to? :old_define_task
      class << self
        alias_method :old_define_task, :define_task
      end

      def self.define_task(file, *args, &block)
        @@files ||= []
        @@files << file
        old_define_task(file, *args, &block)
      end
    end

    def self.files
      @@files
    end
    
    def self.clear_files
      @@files = []
    end
  end

  Rake::Task.clear
  Rake::FileTask.clear_files

  t = nil
  pid = Process.fork{
    if block_given?
      TOPLEVEL_BINDING.receiver.instance_exec &block
    else
      if Misc.is_filename? rakefile
        load rakefile
      else
        TmpFile.with_file(rakefile) do |tmpfile|
          load tmpfile
        end
      end
    end

    raise TaskNotFound if Rake::Task[task].nil?

    Misc.pre_fork
    begin
      Misc.in_dir(dir) do
        Rake::Task[task].invoke

        Rake::Task.clear
        Rake::FileTask.clear_files
      end
    rescue Exception
      Log.error "Error in rake: #{$!.message}"
      Log.exception $!
      Kernel.exit! -1
    end
    Kernel.exit! 0
  }
  Process.waitpid(pid)
  raise "Rake failed" unless $?.success?

end