return d.dir, true
		}
	}
}

var buildCtx = build.Default

// splitGopath splits $GOPATH into a list of roots.
func splitGopath() []string {
	return filepath.SplitList(buildCtx.GOPATH)

KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
source "${KUBE_ROOT}/hack/lib/init.sh"

# Get all the default Go environment.
kube::golang::setup_env

# Turn off workspaces until we are ready for them later
export GOWORK=off
# Explicitly opt into go modules
export GO111MODULE=on
# Explicitly set GOFLAGS to ignore vendor, since GOFLAGS=-mod=vendor breaks dependency resolution while rebuilding vendor
export GOFLAGS=-mod=mod

	"internal/testenv"
	"log"
	"os"
	"path/filepath"
	"regexp"
	"runtime"
	"strings"
	"testing"
)

func TestMain(m *testing.M) {
	// Clear GOPATH so we don't access the user's own packages in the test.
	buildCtx.GOPATH = ""
	testGOPATH = true // force GOPATH mode; module test is in cmd/go/testdata/script/mod_doc.txt

	// Set GOROOT in case runtime.GOROOT is wrong (for example, if the test was

cp go.mod.orig go.mod
go mod edit -require golang.org/x/text@14c0d48ead0c
cd outside
! go list -m golang.org/x/text
stderr 'go: example.com@v0.0.0 \(replaced by \./\.\.\): parsing ..[/\\]go.mod: '$WORK'[/\\]gopath[/\\]src[/\\]go.mod:5: require golang.org/x/text: version "14c0d48ead0c" invalid: must be of the form v1.2.3'
cd ..
go list -m golang.org/x/text
stdout 'golang.org/x/text v0.1.1-0.20170915032832-14c0d48ead0c'

         * protect ourselves from this, we park ourselves and tell our interrupter that we did so.
         */
        if (state == PARKED || compareAndSet(state, PARKED)) {
          // Interrupting Cow Says:
          //  ______
          // < Park >
          //  ------
          //        \   ^__^
          //         \  (oo)\_______

				// In particular, they need to come before regular OpArg operations because
				// of how regalloc places spill code (see regalloc.go:placeSpills:mustBeFirst).
				if b != f.Entry {
					f.Fatalf("%s appeared outside of entry block, b=%s", v.Op, b.String())
				}
				score[v.ID] = ScorePhi
			case v.Op == OpArg || v.Op == OpSP || v.Op == OpSB:

		t.Errorf("fe disagrees at index %v; %v != %v", i, fe[i], testFe[i])
	}
}

func hasSlowFloatingPoint() bool {
	switch runtime.GOARCH {
	case "arm":
		return os.Getenv("GOARM") == "5" || strings.HasSuffix(os.Getenv("GOARM"), ",softfloat")
	case "mips", "mipsle", "mips64", "mips64le":
		// Be conservative and assume that all mips boards
		// have emulated floating point.
		// TODO: detect what it actually has.

	}

	if cfg.Goarch == "arm" {
		// Define GOARM_value from cfg.GOARM, which can be either a version
		// like "6", or a version and a FP mode, like "7,hardfloat".
		switch {
		case strings.Contains(cfg.GOARM, "7"):
			args = append(args, "-D", "GOARM_7")
			fallthrough
		case strings.Contains(cfg.GOARM, "6"):
			args = append(args, "-D", "GOARM_6")
			fallthrough
		default:

func checkCacheDir(ctx context.Context) error {
	if cfg.GOMODCACHE == "" {
		// modload.Init exits if GOPATH[0] is empty, and cfg.GOMODCACHE
		// is set to GOPATH[0]/pkg/mod if GOMODCACHE is empty, so this should never happen.
		return fmt.Errorf("module cache not found: neither GOMODCACHE nor GOPATH is set")
	}
	if !filepath.IsAbs(cfg.GOMODCACHE) {
		counterErrorsGOMODCACHEEntryRelative.Inc()

	if buildCtx.GOROOT != "" {
		goroot := filepath.Join(buildCtx.GOROOT, "src")
		if p, ok := trim(path, filepath.ToSlash(goroot)); ok {
			return p
		}
	}
	for _, gopath := range splitGopath() {
		if p, ok := trim(path, filepath.ToSlash(gopath)); ok {
			return p
		}
	}
	return path
}

// trim trims the directory prefix from the path, paying attention