new_contents: class unzip(Wig):
  	tarball_uri = 'http://downloads.sourceforge.net/infozip/unzip$RELEASE_VERSION$.tar.gz'
    last_release_version = 'v60'
    
    def setup(self):
      self.skip('configure')
      self.make_flags += ['-f', 'unix/Makefile']
  
subject: Create unzip.py