def METHOD_NAME(bump, service, pre_release):
    tags = subprocess.run(['git', 'tag', '--list'], capture_output=True, check=True) \
        .stdout.decode('utf-8').splitlines()
    # Filter out tags that don't match the service name, and tags
    # for prerelease versions.
    version_pattern = f'^{service}/v\\d+\\.\\d+\\.\\d+(-rc\\.\\d+)?$'
    svc_versions = [t.replace(f'{service}/v', '') for t in tags if re.match(version_pattern, t)]
    svc_versions = sorted(svc_versions, key=lambda v: semver.Version.parse(v), reverse=True)
    if pre_release and bump == 'prerelease':
        raise Exception('Cannot use --bump=prerelease with --pre-release')
    if pre_release and bump == 'finalize-prerelease':
        raise Exception('Cannot use --bump=finalize-prerelease with --pre-release')
    if len(svc_versions) == 0:
        latest_version = MIN_VERSIONS[service]
    else:
        latest_version = svc_versions[0]
    latest_version = semver.Version.parse(latest_version)
    log.info(f'Latest version: v{latest_version}')
    if bump == 'major':
        bumped = latest_version.bump_major()
    elif bump == 'minor':
        bumped = latest_version.bump_minor()
    elif bump == 'patch':
        bumped = latest_version.bump_patch()
    elif bump == 'prerelease':
        bumped = latest_version.bump_prerelease()
    elif bump == 'finalize-prerelease':
        bumped = latest_version.finalize_version()
    else:
        raise Exception('Invalid bump type: {}'.format(bump))
    if pre_release:
        bumped = bumped.bump_prerelease()
    new_version = 'v' + str(bumped)
    new_tag = f'{service}/{new_version}'
    log.info(f'Bumped version: {new_version}')
    log.info('Configuring git')
    # The below env vars are set by GHA.
    gh_actor = os.environ['GITHUB_ACTOR']
    gh_token = os.environ['INPUT_GITHUB_TOKEN']
    gh_repo = os.environ['GITHUB_REPOSITORY']
    origin_url = f'https://{gh_actor}:${gh_token}@github.com/{gh_repo}.git'
    subprocess.run(['git', 'config', 'user.name', gh_actor], check=True)
    subprocess.run(['git', 'config', 'user.email', f'{gh_actor}@users.noreply.github.com'], check=True)
    subprocess.run(['git', 'remote', 'set-url', 'origin', origin_url], check=True)
    log.info(f'Creating tag: {new_tag}')
    subprocess.run([
        'git',
        'tag',
        '-a',
        new_tag,
        '-m',
        MESSAGE_TEMPLATE.format(service=service, version=new_version)
    ], check=True)
    log.info('Pushing tag to origin')
    subprocess.run(['git', 'push', 'origin', new_tag], check=True)