env[i].Value, env[i].Changed = cfg.EnvOrAndChanged("GOTOOLCHAIN", "")
		case "GODEBUG":
			env[i].Changed = env[i].Value != ""
		}
	}

	if work.GccgoBin != "" {
		env = append(env, cfg.EnvVar{Name: "GCCGO", Value: work.GccgoBin, Changed: true})
	} else {
		env = append(env, cfg.EnvVar{Name: "GCCGO", Value: work.GccgoName})
	}

	goarch, val, changed := cfg.GetArchEnv()
	if goarch != "" {

	fmt.Fprintf(w, "<details><summary><code>go env</code> Output</summary><br><pre>\n")
	fmt.Fprintf(w, "$ go env\n")
	printGoEnv(w)
	printGoDetails(w)
	printOSDetails(w)
	printCDetails(w)
	fmt.Fprintf(w, "</pre></details>\n\n")
}

func printGoEnv(w io.Writer) {
	env := envcmd.MkEnv()
	env = append(env, envcmd.ExtraEnvVars()...)

	var hasCredentials bool
	//nolint:gocritic
	if env.IsSet(config.EnvRootUser) && env.IsSet(config.EnvRootPassword) {
		user = env.Get(config.EnvRootUser, "")
		password = env.Get(config.EnvRootPassword, "")
		hasCredentials = true
	} else if env.IsSet(config.EnvAccessKey) && env.IsSet(config.EnvSecretKey) {
		user = env.Get(config.EnvAccessKey, "")
		password = env.Get(config.EnvSecretKey, "")
		hasCredentials = true

//
// There is a copy of this code in x/tools/cmd/godoc/goroot.go.
func findGOROOT(env string) string {
	if env == "" {
		// Not using Getenv because findGOROOT is called
		// to find the GOROOT/go.env file. initEnvCache
		// has passed in the setting from the user go/env file.
		env = os.Getenv("GOROOT")
	}
	if env != "" {
		return filepath.Clean(env)
	}
	def := ""
	if r := runtime.GOROOT(); r != "" {

	// but in practice there might be skew
	// This makes sure we all agree.
	cfg.OrigEnv = toolchain.FilterEnv(os.Environ())
	cfg.CmdEnv = envcmd.MkEnv()
	for _, env := range cfg.CmdEnv {
		if os.Getenv(env.Name) != env.Value {
			os.Setenv(env.Name, env.Value)
		}
	}

	cmd.Flag.Usage = func() { cmd.Usage() }
	if cmd.CustomFlags {
		args = args[1:]
	} else {
		base.SetFromGOFLAGS(&cmd.Flag)

# to a user's environment.
go help telemetry
env TEST_TELEMETRY_DIR=

# Set userconfig dir, which is determined by os.UserConfigDir.
# The telemetry dir is determined using that.
mkdir $WORK/userconfig
env AppData=$WORK\userconfig # windows
[GOOS:windows] env userconfig=$AppData
env HOME=$WORK/userconfig # darwin,unix,ios
[GOOS:darwin] env userconfig=$HOME'/Library/Application Support'
[GOOS:ios] env userconfig=$HOME'/Library/Application Support'

# Test query for non-defaults in the env

env GOROOT=./a
env GOTOOLCHAIN=local
env GOSUMDB=nodefault
env GOPROXY=nodefault
env GO111MODULE=auto
env CGO_CFLAGS=nodefault
env CGO_CPPFLAGS=nodefault

go env -changed
# linux output like GOTOOLCHAIN='local'
# windows output like GOTOOLCHAIN=local
stdout 'GOTOOLCHAIN=''?local''?'
stdout 'GOSUMDB=''?nodefault''?'
stdout 'GOPROXY=''?nodefault''?'
stdout 'GO111MODULE=''?auto''?'

	@env bash $(PWD)/docs/distributed/decom-encrypted-sse-s3.sh
	@env bash $(PWD)/docs/distributed/decom-compressed-sse-s3.sh
	@env bash $(PWD)/docs/distributed/decom-encrypted-kes.sh

test-versioning: install-race
	@echo "Running minio versioning tests"
	@env bash $(PWD)/docs/bucket/versioning/versioning-tests.sh

test-configfile: install-race
	@env bash $(PWD)/docs/distributed/distributed-from-config-file.sh

	).Get()

	MCSAPIGroup = env.Register("MCS_API_GROUP", "multicluster.x-k8s.io",
		"The group to be used for the Kubernetes Multi-Cluster Services (MCS) API.").Get()

	MCSAPIVersion = env.Register("MCS_API_VERSION", "v1alpha1",
		"The version to be used for the Kubernetes Multi-Cluster Services (MCS) API.").Get()

	EnableMCSAutoExport = env.Register(
		"ENABLE_MCS_AUTO_EXPORT",
		false,

stderr 'go: downloading go1.20 '


# check for invalid GOTOOLCHAIN
env GOTOOLCHAIN=go1.14
go version
stdout 'go1.14'

env GOTOOLCHAIN=go1.20
! go version
stderr 'go: downloading go1.20 '

env GOTOOLCHAIN=go1.21
! go version
stderr 'go: invalid toolchain: go1.21 is a language version but not a toolchain version \(go1.21.x\)'

env GOTOOLCHAIN=go1.22
! go version