def main():
    iagitup.check_ia_credentials()

    URL = args.gitubeurl
    custom_metadata = args.metadata
    md = None
    custom_meta_dict = None

    print(":: Downloading %s repository..." % URL)
    gh_repo_data, repo_folder = iagitup.repo_download(URL)

    # parse supplemental metadata.
    if custom_metadata != None:
        custom_meta_dict = {}
        for meta in custom_metadata.split(','):
            k, v = meta.split(':')
            custom_meta_dict[k] = v

    # upload the repo on IA
    identifier, meta, bundle_filename= iagitup.upload_ia(repo_folder, gh_repo_data, custom_meta=custom_meta_dict)

    # cleaning
    shutil.rmtree(repo_folder)

    # output
    print("\n:: Upload FINISHED. Item information:")
    print("Identifier: %s" % meta['title'])
    print("Archived repository URL: \n \thttps://archive.org/details/%s" % identifier)
    print("Archived git bundle file: \n \thttps://archive.org/download/{0}/{1}.bundle \n\n".format(identifier, bundle_filename))