code: def get_common_files(self):
          
          # curl -sLu "username:personal-acess-token" \
          # GITAPI + "/hpo-annotation-data/tarball/master" > hpoa.tgz
  
          repo_dir = self.rawdir + '/git'
          username = CONF['user']['hpoa']
          response = requests.get(
              GITAPI + '/hpo-annotation-data/tarball/master',
              auth=(username, CONF['keys'][username]))
  
          with open(self.rawdir + '/hpoa.tgz', 'wb') as tgz:
              tgz.write(response.content)
  
          if os.path.isdir(repo_dir):  # scoarched earth approach
              shutil.rmtree(repo_dir)
          os.mkdir(repo_dir)
  
          with tarfile.open('raw/hpoa/hpoa.tgz', 'r') as tarball:
              tarball.extractall(repo_dir)
  
          # TO-DO add this to the dataset object
          # hmm ...kay... have git commit-hash in tarball repo name
  
          repo_hash = glob.glob(
              str(
                  '/'.join(
                      (self.rawdir, 'git', 'monarch-initiative-hpo-annotation-data-*')
                  )))[-42:]
  
          print(repo_hash)
          repo_hash = str(repo_hash)
          # (note this makes little sense as it is a private repo)
          self.dataset.setFileAccessUrl(
              '/'.join((
                  'https://github.com/monarch-initiative/hpo-annotation-data/tree',
                  repo_hash)))
  
          return
docs: Fetch the hpo-annotation-data
          [repository](https://github.com/monarch-initiative/hpo-annotation-data.git)
          as a tarball
  
          :return: