defer logCall("Repo[%s]: Latest()", l.r.ModulePath())()
	return l.r.Latest(ctx)
}

func (l *loggingRepo) GoMod(ctx context.Context, version string) ([]byte, error) {
	defer logCall("Repo[%s]: GoMod(%q)", l.r.ModulePath(), version)()
	return l.r.GoMod(ctx, version)
}

func (l *loggingRepo) Zip(ctx context.Context, dst io.Writer, version string) error {
	dstName := "_"

	}
	return ""
}

// ExtraEnvVars returns environment variables that should not leak into child processes.
func ExtraEnvVars() []cfg.EnvVar {
	gomod := ""
	modload.Init()
	if modload.HasModRoot() {
		gomod = modload.ModFilePath()
	} else if modload.Enabled() {
		gomod = os.DevNull
	}
	modload.InitWorkfile()
	gowork := modload.WorkFilePath()
	// As a special case, if a user set off explicitly, report that in GOWORK.

go list -m -retracted -f '{{if not .Retracted}}good version{{end}}' example.com/retract/missingmod
stdout '^good version$'


# If a replacement version is retracted, we should see a retraction.
# It should appear in both the replaced module and the replacement, as other
# fields like GoMod do.
go list -m -retracted -f '{{range .Retracted}}{{.}}{{end}}' example.com/retract
! stdout .

	testenv.MustHaveGoRun(t)
	t.Parallel()

	const pkg = "example.com/pgo/devirtualize"

	// Add a go.mod so we have a consistent symbol names in this temp dir.
	goMod := fmt.Sprintf(`module %s
go 1.21
`, pkg)
	if err := os.WriteFile(filepath.Join(dir, "go.mod"), []byte(goMod), 0644); err != nil {
		t.Fatalf("error writing go.mod: %v", err)
	}

	// Run the test without PGO to ensure that the test assertions are

        GOTOOLDIR="/usr/local/go/pkg/tool/darwin_arm64"
        GOVCS=""
        GOVERSION="go1.20.7"
        GCCGO="gccgo"
        AR="ar"
        CC="clang"
        CXX="clang++"
        CGO_ENABLED="1"
        GOMOD="/dev/null"
        GOWORK=""
        CGO_CFLAGS="-O2 -g"
        CGO_CPPFLAGS=""
        CGO_CXXFLAGS="-O2 -g"
        CGO_FFLAGS="-O2 -g"
        CGO_LDFLAGS="-O2 -g"
        PKG_CONFIG="pkg-config"

				if os.IsNotExist(err) {
					dir = parent
					continue
				}
				gorootErr = fmt.Errorf("finding GOROOT: %w", err)
				return
			}
			goMod := string(b)

			for goMod != "" {
				var line string
				line, goMod, _ = strings.Cut(goMod, "\n")
				fields := strings.Fields(line)
				if len(fields) >= 2 && fields[0] == "module" && fields[1] == "std" {

		// a bogus file for an invalid version.
		_, err := r.Stat(ctx, version)
		if err != nil {
			return nil, err
		}
	}

	rev, dir, gomod, err := r.findDir(ctx, version)
	if err != nil {
		return nil, err
	}
	if gomod != nil {
		return gomod, nil
	}
	data, err = r.code.ReadFile(ctx, rev, path.Join(dir, "go.mod"), codehost.MaxGoMod)
	if err != nil {
		if os.IsNotExist(err) {

	a, err := readArchive(path, vers)
	if err != nil {
		return nil, err
	}
	var names []string
	files := make(map[string][]byte)
	var gomod []byte
	for _, f := range a.Files {
		if strings.HasPrefix(f.Name, ".") {
			if f.Name == ".mod" {
				gomod = f.Data
			}
			continue
		}
		name := path + "@" + vers + "/" + f.Name
		names = append(names, name)
		files[name] = f.Data
	}

	Indirect   bool             `json:",omitempty"` // module is only indirectly needed by main module
	Dir        string           `json:",omitempty"` // directory holding local copy of files, if any
	GoMod      string           `json:",omitempty"` // path to go.mod file describing module, if any
	GoVersion  string           `json:",omitempty"` // go version used in module

# Tests Issue #38478
# Tests that go get in GOMOD mode returns a specific error if the argument
# ends with '.go', has no version, and either has no slash or refers to an
# existing file.

env GO111MODULE=on

# argument doesn't have .go suffix and has no version
! go get test
! stderr 'arguments must be package or module paths'
! stderr 'exists as a file, but ''go get'' requires package arguments'

# argument has .go suffix and has version