def add_channel_arguments(parser):
    """Add arguments only used if running mulled over a whole conda channel."""
    parser.add_argument('--repo-data', dest='repo_data', required=True,
        help=
        'Published repository data. If you want to build all containers for bioconda, this parameter needs to be set to "bioconda"'
        )
    parser.add_argument('--diff-hours', dest='diff_hours', default='25',
        help=
        'If finding all recently changed recipes, use this number of hours.')
    parser.add_argument('--recipes-dir', dest='recipes_dir', default=
        './bioconda-recipes')
    parser.add_argument('--force-rebuild', dest='force_rebuild', action=
        'store_true', help='Rebuild package even if already published.')
