# 'go run' should not pass extraneous environment variables to the subprocess.
go run run.go
! stdout .
! stderr .

-- run.go --
package main

import "os"

func main() {
	if os.Getenv("TERM") != "" {
		os.Exit(1)
	}

	"sync"

	"cmd/go/internal/gover"
)

// pathExts is a cached PATHEXT list.
var pathExts struct {
	once sync.Once
	list []string
}

func initPathExts() {
	var exts []string
	x := os.Getenv(`PATHEXT`)
	if x != "" {
		for _, e := range strings.Split(strings.ToLower(x), `;`) {
			if e == "" {
				continue
			}
			if e[0] != '.' {
				e = "." + e
			}
			exts = append(exts, e)
		}
	} else {

            listener.systemPropertiesPrefixedBy(prefix, snapshot)
        }

    override fun getVariables(): Environment.Properties =
        TrackingProperties(System.getenv()) { prefix, snapshot ->
            listener.envVariablesPrefixedBy(prefix, snapshot)
        }

    private
    class TrackingProperties(
        map: Map<String, String>,

	files := certFiles
	if f := os.Getenv(certFileEnv); f != "" {
		files = []string{f}
	}

	var firstErr error
	for _, file := range files {
		data, err := os.ReadFile(file)
		if err == nil {
			roots.AppendCertsFromPEM(data)
			break
		}
		if firstErr == nil && !os.IsNotExist(err) {
			firstErr = err
		}
	}

	dirs := certDirectories
	if d := os.Getenv(certDirEnv); d != "" {

// Using the Java API
println(System.getenv("ENVIRONMENTAL"))

// Using the Gradle API, provides a lazy Provider<String>

                                url '${System.getenv("GRADLE_INTERNAL_REPO_URL")}/enterprise-libs-snapshots-local/'
                                credentials {
                                    username = System.getenv("GRADLE_INTERNAL_REPO_USERNAME")
                                    password = System.getenv("GRADLE_INTERNAL_REPO_PASSWORD")
                                }

val jdkLocations = System.getenv().filterKeys {
    it.startsWith("JDK_")

// string array envs, to supply the initial contents for os.Environ.
// Subsequent calls to os.Setenv will change this cache, without writing back
// to the (possibly shared) Plan 9 environment, so that Setenv and Getenv
// conform to the same Posix semantics as on other operating systems.
// For Plan 9 shared environment semantics, instead of Getenv(key) and
// Setenv(key, value), one can use os.ReadFile("/env/" + key) and

rootProject.name = "developer-ci-setup"
// tag::developer-ci-setup[]
val isCiServer = System.getenv().containsKey("CI")

buildCache {
    remote<HttpBuildCache> {
        url = uri("https://example.com:8123/cache/")
        isPush = isCiServer
    }
}

		if err != nil {
			t.Errorf("error invoking %s: %s", fc, err)
		}
		libDir := filepath.Dir(string(libPath))
		cgoLDFlags := os.Getenv("CGO_LDFLAGS")
		cgoLDFlags += " -L " + libDir
		if runtime.GOOS != "aix" {
			cgoLDFlags += " -Wl,-rpath," + libDir
		}
		t.Logf("CGO_LDFLAGS=%s", cgoLDFlags)
		os.Setenv("CGO_LDFLAGS", cgoLDFlags)

	}

	// Do a test build that doesn't involve Go FORTRAN support.