return new DefaultAgentStatus();
    }

    /**
     * Returns an AgentStatus instance that disables instrumentation regardless of the agent's availability.
     */
    static AgentStatus disabled() {
        return new DisabledAgentStatus();
    }

    /**
     * Returns {@link #allowed()} or {@link #disabled()} AgentStatus according to the value of the flag.
     *

        when:
        withAgentApplied(agentStatus)
        succeeds()

        then:
        agentStatusWas(agentStatus)
        configurationCache.assertStateStored()

        when:
        withAgentApplied(agentStatus)
        succeeds()

        then:
        configurationCache.assertStateLoaded()

        where:
        agentStatus << [true, false]
    }

    @Requires(

    private static final String BUILD_SERVICE_NAME = "__InternalCacheInstrumentationDataBuildService__";

    private final AgentStatus agentStatus;
    private final Lazy<BuildServiceRegistry> buildServiceRegistry;
    private final IdGenerator<Long> contextIdGenerator;

    public InstrumentationTransformRegisterer(AgentStatus agentStatus, Lazy<BuildServiceRegistry> buildServiceRegistry) {
        this.buildServiceRegistry = buildServiceRegistry;

    private final AgentStatus agentStatus;

    public GlobalScopeServices(final boolean longLiving, AgentStatus agentStatus) {
        this(longLiving, agentStatus, ClassPath.EMPTY);
    }

    public GlobalScopeServices(final boolean longLiving, AgentStatus agentStatus, ClassPath additionalModuleClassPath) {
        super(additionalModuleClassPath);
        this.agentStatus = agentStatus;

@ServiceScope(Scope.Global.class)
public class AgentInitializer {
    private final AgentStatus agentStatus;

    public AgentInitializer(AgentStatus agentStatus) {
        this.agentStatus = agentStatus;
    }

    /**
     * Sets up the agent-based instrumentation if it is enabled for the process.
     */
    public void maybeConfigureInstrumentationAgent() {
        if (agentStatus.isAgentInstrumentationEnabled()) {

        final boolean longLiving,
        AgentStatus agentStatus,
        ClassPath additionalModuleClassPath,
        ServiceRegistry... parents
    ) {
        ServiceRegistryBuilder builder = ServiceRegistryBuilder.builder()
            .scopeStrictly(Scope.Global.class)
            .displayName("Global services")
            .provider(new GlobalScopeServices(longLiving, agentStatus, additionalModuleClassPath))

    private final FileSystemAccess fileSystemAccess;
    private final GlobalCacheLocations globalCacheLocations;
    private final FileLockManager fileLockManager;
    private final AgentStatus agentStatus;
    private final ManagedExecutor executor;
    private final ParallelTransformExecutor parallelTransformExecutor;
    private final GradleCoreInstrumentationTypeRegistry gradleCoreInstrumentingRegistry;

        then:
        parsedContext != null
        parsedContext.shouldApplyInstrumentationAgent() == agentStatus

        where:
        agentStatus << [true, false]
    }

import org.gradle.api.internal.project.ProjectInternal
import org.gradle.api.internal.project.ProjectState
import org.gradle.api.invocation.Gradle
import org.gradle.internal.instrumentation.agent.AgentStatus
import org.gradle.util.TestUtil
import spock.lang.Specification

import java.util.function.Function

class BuildSrcBuildListenerFactoryTest extends Specification {

import org.gradle.cache.FileLockManager;
import org.gradle.cache.internal.CacheFactory;
import org.gradle.internal.Factory;
import org.gradle.internal.concurrent.ExecutorFactory;
import org.gradle.internal.instrumentation.agent.AgentStatus;
import org.gradle.internal.logging.LoggingManagerInternal;
import org.gradle.internal.operations.BuildOperationListenerManager;
import org.gradle.internal.operations.BuildOperationProgressEventEmitter;