envOnce sync.Once

	// envLock guards env and envs.
	envLock sync.RWMutex

	// env maps from an environment variable to its first occurrence in envs.
	env map[string]int

	// envs is provided by the runtime. elements are expected to
	// be of the form "key=value". An empty string means deleted
	// (or a duplicate to be ignored).
	envs []string = runtime_envs()
)

			}
			envs = append(envs, envVar)
		}
	}
	return envs
}

// MergeKubeadmEnvVars merges values of environment variable slices.
// The values defined in later slices overwrite values in previous ones.
func MergeKubeadmEnvVars(envList ...[]kubeadmapi.EnvVar) []v1.EnvVar {
	m := make(map[string]v1.EnvVar)
	merged := []v1.EnvVar{}
	for _, envs := range envList {
		for _, env := range envs {
			m[env.Name] = env.EnvVar

		defer syscall.Setenv("GOROOT", orig)
	} else {
		defer syscall.Unsetenv("GOROOT")
	}
	envs := runtime.Envs()
	oldenvs := append([]string{}, envs...)
	defer runtime.SetEnvs(oldenvs)

	// attempt to reuse existing envs backing array.
	want := runtime.GOROOT()
	runtime.SetEnvs(append(envs[:0], "GOROOT="+want))

	if got := runtime.GOROOT(); got != want {

	}
	slices.Sort(keys)
	for _, key := range keys {
		fmt.Printf("param-%s=%s\r\n", key, params.Get(key))
	}

	envs := envMap(os.Environ())
	keys = make([]string, 0, len(envs))
	for k := range envs {
		keys = append(keys, k)
	}
	slices.Sort(keys)
	for _, key := range keys {
		fmt.Printf("env-%s=%s\r\n", key, envs[key])
	}

	cwd, _ := os.Getwd()
	fmt.Printf("cwd=%s\r\n", cwd)
}

type neverEnding byte

		for k := range envs.KeyValues {
			if strings.HasPrefix(k, bootstrap.IstioMetaPrefix) {
				delete(envs.KeyValues, k)
			}
		}
		if len(envs.KeyValues) == 0 {
			if len(envs.HostEnvKeys) == 0 {
				vm.EnvironmentVariables = nil
			} else {
				envs.KeyValues = nil
			}
		}
	}
	remote := vm.GetCode().GetRemote()

#
# 3. DO THE SAME WITH A LOCAL CACHE OR RBE:
#       export TF_ANY_EXTRA_ENV=ci/official/envs/public_cache,ci/official/envs/disk_cache
#       ...
#       ./any.sh
#     or
#       export TF_ANY_EXTRA_ENV=ci/official/envs/local_rbe
#       ./any.sh
#       ...
set -euxo pipefail
cd "$(dirname "$0")/../../"  # tensorflow/
# Any request that includes "nightly_upload" should just use the

	secureEnv()
}

func secureEnv() {
	var hasTraceback bool
	for i := 0; i < len(envs); i++ {
		if stringslite.HasPrefix(envs[i], "GOTRACEBACK=") {
			hasTraceback = true
			envs[i] = "GOTRACEBACK=none"
		}
	}
	if !hasTraceback {
		envs = append(envs, "GOTRACEBACK=none")
	}

env GOTOOLCHAIN=auto
env TESTGO_VERSION=go1.21.1

# Basic switch should work.
env TESTGO_VERSION_SWITCH=switch
go version
stdout go1.21.99

# Toolchain target mismatch should be detected.
env TESTGO_VERSION_SWITCH=mismatch
! go version
stderr '^go: toolchain go1.21.1 invoked to provide go1.21.99$'

# Toolchain loop should be detected.
env TESTGO_VERSION_SWITCH=loop
! go version

	merged := map[string]string{}
	mergeMap(merged, labels)
	mergeMap(merged, anno)

	envs := make([]string, 0)

	if labels != nil {
		envs = append(envs, encodeAsJSON(t, labels, "LABELS"))
	}

	if anno != nil {
		envs = append(envs, encodeAsJSON(t, anno, "ANNOTATIONS"))
	}
	return merged, envs
}

func encodeAsJSON(t *testing.T, data map[string]string, name string) string {

package compress

import (
	"strings"

	"github.com/minio/minio/internal/config"
)

// Legacy envs.
const (
	EnvCompress                 = "MINIO_COMPRESS"
	EnvCompressMimeTypesLegacy1 = "MINIO_COMPRESS_MIMETYPES"

	// These envs were wrong but we supported them for a long time
	// so keep them here to support existing deployments.