});
        String roCache = System.getenv(READONLY_CACHE_ENV_VAR);
        if (StringUtils.isNotEmpty(roCache)) {
            IncubationLogger.incubatingFeatureUsed("Shared read-only dependency cache");
            File baseDir = validateReadOnlyCache(documentationRegistry, new File(roCache).getAbsoluteFile());
            if (baseDir != null) {

# "preferlinkext" token to the linker to request external linking.

#-----------------------

# Use a fresh GOCACHE for these next steps, so as to have the real
# actions for the runtime/cgo package appear in the "-n -x" output.
env GOCACHE=$WORK/gocache
mkdir $GOCACHE

# First build: there is no CGO in use, so no token should be present regardless
# of weird CGO flags.
go build -x -n -o dummy.exe ./noUseOfCgo

[!fuzz] skip
[short] skip
env GOCACHE=$WORK/cache

go test -fuzz=FuzzA -fuzztime=100x fuzz_setenv_test.go

-- fuzz_setenv_test.go --
package fuzz

import (
  "flag"
  "os"
  "testing"
)

func FuzzA(f *testing.F) {
  if s := os.Getenv("TEST_FUZZ_SETENV_A"); isWorker() && s == "" {
    f.Fatal("environment variable not set")
  } else if !isWorker() && s != "" {
    f.Fatal("environment variable already set")
  }

        println(format("    GRADLE_OPTS: %s", environment.get("GRADLE_OPTS")));
        String roCache = environment.get(ArtifactCachesProvider.READONLY_CACHE_ENV_VAR);
        if (roCache != null) {
            println(format("    %s: %s", ArtifactCachesProvider.READONLY_CACHE_ENV_VAR, roCache));
        }
    }

    private static void println(String s) {
        System.out.println(s);
    }

[!fuzz] skip
[!cgo] skip
[short] skip
env GOCACHE=$WORK/cache

# Test that fuzzing works with cgo (issue 65169)

go test -fuzz=. -fuzztime=1x
stdout ok
! stdout FAIL

-- go.mod --
module example.com/p

go 1.20
-- c.go --
package p

import "C"
-- c_test.go --
package p

import "testing"

func Fuzz(f *testing.F) {
	f.Add(0)
	f.Fuzz(func(t *testing.T, x int) {})

env OLDGOROOT=$GOROOT
env GOROOT=$WORK${/}gopath${/}src${/}new
go env GOROOT
stdout $WORK[\\/]gopath[\\/]src[\\/]new
cd new
! stale net

# Add a control case to check that std is
# stale with an empty cache
env GOCACHE=$WORK${/}gopath${/}cache

# if the cache directory doesn't exist at all.
# It should not write a testexpire.txt file, since there are no
# test results that need to be invalidated in the first place.
env GOCACHE=$WORK/nonexistent
go clean -testcache
! exists $WORK/nonexistent

-- x/x_test.go --
package x_test
import (
    "testing"
)
func TestMain(t *testing.T) {

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.integtests.resolve.rocache

class StaticVersionsDynamicListingReadOnlyCacheDependencyResolutionTest extends StaticVersionsReadOnlyCacheDependencyResolutionTest {

    @Override
    boolean isResolveDynamic() {
        true
    }

[!fuzz] skip
[short] skip
env GOCACHE=$WORK/cache

# FuzzA attempts to cause the mutator to create duplicate inputs that generate
# new coverage. Previously this would trigger a corner case when the fuzzer
# had an execution limit, causing it to deadlock and sit in the coordinator
# loop indefinitely, failing to exit once the limit had been exhausted.

go test -fuzz=FuzzA -fuzztime=100x -parallel=1

-- go.mod --
module m

go 1.16

[short] skip
[GODEBUG:gocacheverify=1] skip
[compiler:gccgo] skip  # gccgo has no standard packages

# Start with a clean build cache:
# test failures may be masked if the cache has just the right entries already.
env GOCACHE=$WORK/cache

# Run 'go vet os/user' once to warm up the cache.
go vet os/user

# Check that second vet reuses cgo-derived inputs.
# The first command could be build instead of vet,