'Implements interface.'

@classmethod
def add_config(cls, options, script):

    project = (options.storage_gcs_project or options.deploy_google_project)
    hal = 'hal    -q    --log=info    config    storage    gcs    edit    --project    {project}    --bucket    {bucket}    --bucket-location    {location}'.format(project=project, bucket=options.storage_gcs_bucket, location=options.storage_gcs_location)
    if options.storage_gcs_credentials:
        hal += '    --json-path    ./{filename}'.format(filename=os.path.basename(options.storage_gcs_credentials))
    script.append(hal)
