Query    string // version query corresponding to this version
        Version  string // module version
        Error    string // error loading module
        Info     string // absolute path to cached .info file
        GoMod    string // absolute path to cached .mod file
        Zip      string // absolute path to cached .zip file
        Dir      string // absolute path to cached source root directory

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

	// Add a go.mod so we have a consistent symbol names in this temp dir.
	goMod := fmt.Sprintf(`module %s
go 1.19
`, pkg)
	if err := os.WriteFile(filepath.Join(dir, "go.mod"), []byte(goMod), 0644); err != nil {
		t.Fatalf("error writing go.mod: %v", err)
	}

	exe := filepath.Join(dir, "test.exe")

stdout '^\t"Path": "rsc.io/quote"'
stdout '^\t"Version": "v1.5.0"'
stdout '^\t"Info": ".*(\\\\|/)pkg(\\\\|/)mod(\\\\|/)cache(\\\\|/)download(\\\\|/)rsc.io(\\\\|/)quote(\\\\|/)@v(\\\\|/)v1.5.0.info"'
stdout '^\t"GoMod": ".*(\\\\|/)pkg(\\\\|/)mod(\\\\|/)cache(\\\\|/)download(\\\\|/)rsc.io(\\\\|/)quote(\\\\|/)@v(\\\\|/)v1.5.0.mod"'

	}
	var max string
	for _, v := range versions.List {
		if max == "" || gover.ModCompare(r.path, v, max) > 0 {
			max = v
		}
	}
	return r.Stat(ctx, max)
}

func (r *toolchainRepo) GoMod(ctx context.Context, version string) (data []byte, err error) {
	return []byte("module " + r.path + "\n"), nil
}

func (r *toolchainRepo) Zip(ctx context.Context, dst io.Writer, version string) error {

	}
	return info, nil
}

func (p *proxyRepo) GoMod(ctx context.Context, version string) ([]byte, error) {
	if version != module.CanonicalVersion(version) {
		return nil, p.versionError(version, fmt.Errorf("internal error: version passed to GoMod is not canonical"))
	}

	encVer, err := module.EscapeVersion(version)
	if err != nil {

)

func main() {
	exe := os.Args[1]
	data, err := ioutil.ReadFile(exe)
	if err != nil {
		log.Fatal(err)
	}

	if os.Getenv("GO111MODULE") == "on" {
		out, err := exec.Command("go", "env", "GOMOD").Output()
		if err != nil {
			log.Fatal(err)
		}
		modRoot := filepath.Dir(strings.TrimSpace(string(out)))
		check(data, "module root", modRoot)
	} else {
		check(data, "GOPATH", os.Getenv("GOPATH"))
	}

	}

	var modFiles []*modfile.File
	var mainModules []module.Version
	var indices []*modFileIndex
	var errs []error
	for _, modroot := range modRoots {
		gomod := modFilePath(modroot)
		var fixed bool
		data, f, err := ReadModFile(gomod, fixVersion(ctx, &fixed))
		if err != nil {
			if inWorkspaceMode() {
				if tooNew, ok := err.(*gover.TooNewError); ok && !strings.HasPrefix(cfg.CmdName, "work ") {

		return
	}

	// As a special case, let "go env GOMOD" and "go env GOWORK" be handled by
	// the local toolchain. Users expect to be able to look up GOMOD and GOWORK
	// since the go.mod and go.work file need to be determined to determine
	// the minimum toolchain. See issue #61455.
	if len(os.Args) == 3 && os.Args[1] == "env" && (os.Args[2] == "GOMOD" || os.Args[2] == "GOWORK") {
		return
	}

	}
	if major < 5 {
		t.Skipf("gccgo too old (%s)", strings.TrimSpace(string(output)))
	}

	gomod, err := exec.Command("go", "env", "GOMOD").Output()
	if err != nil {
		t.Fatalf("go env GOMOD: %v", err)
	}
	if len(bytes.TrimSpace(gomod)) > 0 {
		t.Skipf("gccgo not supported in module mode; see golang.org/issue/30344")
	}
}

	GOHOSTOS
		The operating system (GOOS) of the Go toolchain binaries.
	GOMOD
		The absolute path to the go.mod of the main module.
		If module-aware mode is enabled, but there is no go.mod, GOMOD will be
		os.DevNull ("/dev/null" on Unix-like systems, "NUL" on Windows).
		If module-aware mode is disabled, GOMOD will be the empty string.
	GOTOOLDIR