def rake(command, options = {})
      build_commands << BuildCommand.new("rake `#{command}'") do
        bin = embedded_bin("rake")
        shellout!("#{bin} #{command}", options)
      end
    end
def rake(command, options = {})
      build_commands << BuildCommand.new("rake `#{command}'") do
        bin = embedded_bin("rake")
        shellout!("#{bin} #{command}", options)
      end
    end
Execute the given Rake command against the embedded Ruby's rake. This
 command assumes the +rake+ gem has been installed.

 @example
   rake 'test'

 @param (see #command)
 @return (see #command)