func main()

in cmd/worker/main.go [57:109]
50 lines of code
8 McCabe index (conditional complexity)

func main() {
	flag.Usage = func() {
		out := flag.CommandLine.Output()
		fmt.Fprintln(out, "usage:")
		fmt.Fprintln(out, "worker FLAGS")
		fmt.Fprintln(out, "  run as a server, listening at the PORT env var")
		fmt.Fprintln(out, "worker FLAGS SUBCOMMAND ...")
		fmt.Fprintln(out, "  run as a command-line tool, executing SUBCOMMAND")
		fmt.Fprintln(out, "  subcommands:")
		fmt.Fprintln(out, "    update COMMIT: perform an update operation")
		fmt.Fprintln(out, "    list-updates: display info about update operations")
		fmt.Fprintln(out, "    list-cves TRIAGE_STATE: display info about CVE records")
		fmt.Fprintln(out, "    create-issues: create issues for CVEs that need them")
		fmt.Fprintln(out, "    show ID1 ID2 ...: display CVE records")
		fmt.Fprintln(out, "flags:")
		flag.PrintDefaults()
	}

	flag.Parse()
	if *githubTokenFile != "" {
		data, err := ioutil.ReadFile(*githubTokenFile)
		if err != nil {
			die("%v", err)
		}
		cfg.GitHubAccessToken = strings.TrimSpace(string(data))
	} else {
		cfg.GitHubAccessToken = os.Getenv("VULN_GITHUB_ACCESS_TOKEN")
	}
	if err := cfg.Validate(); err != nil {
		dieWithUsage("%v", err)
	}

	ctx := event.WithExporter(context.Background(),
		event.NewExporter(log.NewLineHandler(os.Stderr), nil))
	if img := os.Getenv("DOCKER_IMAGE"); img != "" {
		log.Infof(ctx, "running in docker image %s", img)
	}
	log.Infof(ctx, "config: project=%s, namespace=%s, issueRepo=%s", cfg.Project, cfg.Namespace, cfg.IssueRepo)

	var err error
	cfg.Store, err = store.NewFireStore(ctx, cfg.Project, cfg.Namespace)
	if err != nil {
		die("firestore: %v", err)
	}
	if flag.NArg() > 0 {
		err = runCommandLine(ctx)
	} else {
		err = runServer(ctx)
	}
	if err != nil {
		dieWithUsage("%v", err)
	}
}