func ParseAndRunCommandFromCli()

in oss/lib/cli_bridge.go [150:232]
70 lines of code
21 McCabe index (conditional complexity)

func ParseAndRunCommandFromCli(ctx *cli.Context, args []string) error {
	// 利用 parser 解析 flags，否则下文读不到
	parser := cli.NewParser(args, ctx)
	_, err := parser.ReadAll()
	if err != nil {
		return err
	}

	profile, err := config.LoadProfileWithContext(ctx)
	if err != nil {
		return fmt.Errorf("config failed: %s", err.Error())
	}

	proxyHost, ok := ctx.Flags().GetValue("proxy-host")
	if !ok {
		proxyHost = ""
	}
	credential, err := profile.GetCredential(ctx, tea.String(proxyHost))
	if err != nil {
		return fmt.Errorf("can't get credential %s", err)
	}

	model, err := credential.GetCredential()
	if err != nil {
		return fmt.Errorf("can't get credential %s", err)
	}

	configs := make(map[string]string, 0)
	if model.AccessKeyId != nil {
		configs["access-key-id"] = *model.AccessKeyId
	}

	if model.AccessKeySecret != nil {
		configs["access-key-secret"] = *model.AccessKeySecret
	}

	if model.SecurityToken != nil {
		configs["sts-token"] = *model.SecurityToken
	}

	// read endpoint from flags
	endpoint, err := ParseAndGetEndpoint(ctx, args)
	if err != nil {
		return fmt.Errorf("parse endpoint failed: %s", err)
	}
	// check use http force
	forceUseHttp := ctx.Insecure()
	if endpoint != "" && !strings.HasPrefix(endpoint, "http://") && !strings.HasPrefix(endpoint, "https://") {
		if forceUseHttp {
			endpoint = "http://" + endpoint
		} else {
			endpoint = "https://" + endpoint
		}
	}
	configs["endpoint"] = endpoint

	a2 := []string{"aliyun", "oss"}
	a2 = append(a2, ctx.Command().Name)
	a2 = append(a2, args...)
	configFlagSet := cli.NewFlagSet()
	config.AddFlags(configFlagSet)

	for _, f := range ctx.Flags().Flags() {
		if configFlagSet.Get(f.Name) != nil {
			continue
		}
		if f.IsAssigned() {
			a2 = append(a2, "--"+f.Name)
			if s2, ok := f.GetValue(); ok && s2 != "" {
				a2 = append(a2, s2)
			}
		}
	}

	for k, v := range configs {
		if v != "" {
			a2 = append(a2, "--"+k)
			a2 = append(a2, v)
		}
	}
	os.Args = a2[1:]
	return ParseAndRunCommand()
}