return value
	}
	return fallback
}

func setEnv(key, value string, t *testing.T) {
	t.Helper()
	err := os.Setenv(key, value)
	if err != nil {
		t.Fatalf("Couldn't set environment variable, err: %v", err)
	}
}

func mktemp(dir, prefix string, t *testing.T) string {
	t.Helper()
	tempDir, err := os.MkdirTemp(dir, prefix)
	if err != nil {

			verifyTestcaseOutput(t, Cmd(cli.NewFakeContext(nil)), c)
		})
	}
}

func verifyTestcaseOutput(t *testing.T, cmd *cobra.Command, c testcase) {
	t.Helper()

	var out bytes.Buffer
	cmd.SetArgs(c.args)
	cmd.SetOut(&out)
	cmd.SetErr(&out)
	cmd.SilenceUsage = true
	if c.namespace != "" {
		namespace = c.namespace
	}

	fErr := cmd.Execute()

	m.With(resultLabel.Value(resultSuccess)).Increment()
	return nil
}

// MatchesFilter returns true if the pod matches the repair filter criteria
func (c *Controller) matchesFilter(pod *corev1.Pod) bool {
	// Helper function; checks that a container's termination message matches filter
	matchTerminationMessage := func(state *corev1.ContainerStateTerminated) bool {

			t.Fatalf("Output didn't match for the port protocol: got %s want %s", protocol, tc.expectedProtocol)
		}
	}
}

func verifyExecAndK8sConfigTestCaseTestOutput(t *testing.T, c execAndK8sConfigTestCase) {
	t.Helper()

	ctx := cli.NewFakeContext(&cli.NewFakeContextOption{
		Namespace:      c.namespace,
		IstioNamespace: c.istioNamespace,
		Results:        c.configDumps,
	})
	client, err := ctx.CLIClient()

endif
endef

$(foreach bin,$(STANDARD_BINARIES),$(eval $(call build-linux,$(bin),$(STANDARD_TAGS))))
$(foreach bin,$(LINUX_AGENT_BINARIES),$(eval $(call build-linux,$(bin),$(AGENT_TAGS))))

# Create helper targets for each binary, like "pilot-discovery"
# As an optimization, these still build everything
$(foreach bin,$(BINARIES),$(shell basename $(bin))): build
ifneq ($(TARGET_OUT_LINUX),$(LOCAL_OUT))

	ZtunnelInboundPort          = 15008
	ZtunnelOutboundPort         = 15001
	ZtunnelInboundPlaintextPort = 15006
	ProbeIPSet                  = "istio-inpod-probes"
)

var log = istiolog.RegisterScope("iptables", "iptables helper")

type Config struct {
	RestoreFormat bool `json:"RESTORE_FORMAT"`
	TraceLogging  bool `json:"IPTABLES_TRACE_LOGGING"`
	EnableIPv6    bool `json:"ENABLE_INBOUND_IPV6"`
	RedirectDNS   bool `json:"REDIRECT_DNS"`
}

	t.Helper()
	validFile, err := os.CreateTemp("", "TestValidateCommand")
	if err != nil {
		t.Fatal(err)
	}
	if _, err := validFile.WriteString(data); err != nil {
		t.Fatal(err)
	}
	return validFile.Name(), validFile
}

func createTestDirectory(t *testing.T, files map[string]string) string {
	t.Helper()
	tempDir, err := os.MkdirTemp("", "TestValidateCommand")

func mustSelect(t test.Failer, selector map[string]string, labels map[string]string) {
	t.Helper()
	kselector := labels2.Set(selector).AsSelectorPreValidated()
	if !kselector.Matches(labels2.Set(labels)) {
		t.Fatalf("%v does not select %v", selector, labels)
	}
}

func mustNotSelect(t test.Failer, selector map[string]string, labels map[string]string) {
	t.Helper()
	kselector := labels2.Set(selector).AsSelectorPreValidated()

  // Requests will be matched against the Host field in the following way:
  // 1. If Host is precise, the request matches this rule if the http host header is equal to Host.
  // 2. If Host is a wildcard, then the request matches this rule if the http host header
  // is to equal to the suffix (removing the first label) of the wildcard rule.
  // +optional
  optional string host = 1;

		args += " " + flags
	}
	if fileSelect != nil {
		filters := []string{}
		filters = append(filters, fileSelect...)
		// Everything needs these
		filters = append(filters, "templates/_affinity.tpl", "templates/_helpers.tpl", "templates/zzz_profile.yaml")
		args += " --filter " + strings.Join(filters, ",")
	}
	args += " --set installPackagePath=" + string(chartSource)
	return runCommand(args)
}