henchbot_blogpost_12.py

        # use var fname from editing step
        subprocess.check_call(['git', 'add', fname])
        
        if repo == 'repo2docker':
            commit_message = 'repo2docker: https://github.com/jupyter/repo2docker/compare/{}...{}'.format(
                              commit_info['repo2docker']['live'],commit_info['repo2docker']['latest'])
        elif repo == 'binderhub':
            commit_message = 'binderhub: https://github.com/jupyterhub/binderhub/compare/{}...{}'.format(
                              commit_info['binderhub']['live'], commit_info['binderhub']['latest'])

        subprocess.check_call(['git', 'config', 'user.name', 'henchbot'])
        subprocess.check_call(['git', 'config', 'user.email', 'henchbot.github@gmail.com'])
        subprocess.check_call(['git', 'commit', '-m', commit_message])
        subprocess.check_call(['git', 'push', 'https://henchbot:{}@github.com/henchbot/mybinder.org-deploy'.format(TOKEN), repo+'_bump'])