}
	if err != nil {
		// Only print about the exit status if the command
		// didn't even run (not an ExitError) or it didn't exit cleanly
		// or we're printing command lines too (-x mode).
		// Assume if command exited cleanly (even with non-zero status)
		// it printed any messages it wanted to print.
		if e, ok := err.(*exec.ExitError); !ok || !e.Exited() || cfg.BuildX {
			fmt.Fprintf(os.Stderr, "go tool %s: %s\n", toolName, err)

	flag.Var(&value, name, usage)
	return &value
}

// triState implements flag.Value, flag.Getter, and flag.boolFlag.
// They work like boolean flags: we can say vet -printf as well as vet -printf=true
func (ts *triState) Get() interface{} {
	return *ts == setTrue
}

func (ts triState) isTrue() bool {
	return ts == setTrue
}

func (ts *triState) Set(value string) error {

	Too few arguments: %!verb(MISSING)
		Printf("hi%d"):            hi%!d(MISSING)
	Non-int for width or precision: %!(BADWIDTH) or %!(BADPREC)
		Printf("%*s", 4.5, "hi"):  %!(BADWIDTH)hi
		Printf("%.*s", 4.5, "hi"): %!(BADPREC)hi
	Invalid or invalid use of argument index: %!(BADINDEX)
		Printf("%*[2]d", 7):       %!d(BADINDEX)
		Printf("%.[2]d", 7):       %!d(BADINDEX)

All errors begin with the string "%!" followed sometimes

# build stamping with git information.
#
# It is still useful for obtaining kube::version::get_version_vars without
# sourcing Kubernetes build internals.
#
# Usage: `hack/print-workspace-status.sh`.

set -o errexit
set -o nounset
set -o pipefail

KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..

source "${KUBE_ROOT}/hack/lib/version.sh"
kube::version::get_version_vars

		// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
		if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
			buf[0] += a - A;
		printf("\t%d: \"%s\",\n", e, buf);
	}
	printf("}\n\n");
	
	printf("\n\n// Signal table\n");
	printf("var signals = [...]string {\n");
	qsort(signals, nelem(signals), sizeof signals[0], intcmp);
	for(i=0; i<nelem(signals); i++) {
		e = signals[i];

	h := &WarningPrinter{out: out, opts: opts}
	return h
}

// Print prints warnings to the configured writer.
func (w *WarningPrinter) Print(message string) {
	if w.opts.Color {
		fmt.Fprintf(w.out, "%sWarning:%s %s\n", yellowColor, resetColor, message)
	} else {
		fmt.Fprintf(w.out, "Warning: %s\n", message)
	}

`

func printGoVersion(w io.Writer) {
	fmt.Fprintf(w, "### What version of Go are you using (`go version`)?\n\n")
	fmt.Fprintf(w, "<pre>\n")
	fmt.Fprintf(w, "$ go version\n")
	fmt.Fprintf(w, "go version %s %s/%s\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)
	fmt.Fprintf(w, "</pre>\n")
	fmt.Fprintf(w, "\n")
}

func printEnvDetails(w io.Writer) {

	log.Print("Preparing trace for viewer...")
	parsed, err := parseTraceInteractive(tracef, traceSize)
	if err != nil {
		logAndDie(err)
	}
	// N.B. tracef not needed after this point.
	// We might double-close, but that's fine; we ignore the error.
	tracef.Close()

	// Print a nice message for a partial trace.
	if parsed.err != nil {

		Uses:  make(map[*syntax.Name]types2.Object),
	}
	pkg := mustTypecheck(input, nil, &info)

	// Print package-level variables in initialization order.
	fmt.Printf("InitOrder: %v\n\n", info.InitOrder)

	// For each named object, print the line and
	// column of its definition and each of its uses.
	fmt.Println("Defs and Uses of each named object:")
	usesByObj := make(map[types2.Object][]string)
	for id, obj := range info.Uses {

		}
	} else {
		fmt.Printf("[dryrun] Wrote certificates and kubeconfig files to the %q directory\n", manifestDir)
	}

	fmt.Println("[dryrun] The certificates or kubeconfig files would not be printed due to their sensitive nature")
	fmt.Printf("[dryrun] Please examine the %q directory for details about what would be written\n", manifestDir)

	// Print kubelet config manifests