code: def index():
      
      github = GitHubAPI(user_id=current_user.id)
      token = github.session_token
      ctx = dict(connected=False)
  
      if token:
          # The user is authenticated and the token we have is still valid.
          if github.account.extra_data.get('login') is None:
              github.init_account()
              db.session.commit()
  
          # Sync if needed
          if request.method == 'POST' or github.check_sync():
              # When we're in an XHR request, we want to synchronously sync hooks
              github.sync(async_hooks=(not request.is_xhr))
              db.session.commit()
  
          # Generate the repositories view object
          extra_data = github.account.extra_data
          repos = extra_data['repos']
          if repos:
              # 'Enhance' our repos dict, from our database model
              db_repos = Repository.query.filter(
                  Repository.github_id.in_([int(k) for k in repos.keys()]),
              ).all()
              for repo in db_repos:
                  repos[str(repo.github_id)]['instance'] = repo
                  repos[str(repo.github_id)]['latest'] = GitHubRelease(
                      repo.latest_release())
  
          last_sync = humanize.naturaltime(
              (utcnow() - parse_timestamp(extra_data['last_sync'])))
  
          ctx.update({
              'connected': True,
              'repos': sorted(repos.items(), key=lambda x: x[1]['full_name']),
              'last_sync': last_sync,
          })
  
      return render_template(current_app.config['GITHUB_TEMPLATE_INDEX'], **ctx)
docs: Display list of the user's repositories.