}

    def "Error message due to unwritable gradle user home directory is not scary"() {
        given:
        def cachesDir = executer.gradleUserHomeDir.file("caches")
        cachesDir.touch()

        when:
        fails 'hello'

        then:
        cachesDir.isFile()
        assertHasStartupFailure(failure, "Cannot create directory '${executer.gradleUserHomeDir.file("caches")}")
    }

  }

  override fun cacheMiss(call: Call) {
    logWithTime("cacheMiss")

    delegate.cacheMiss(call)
  }

  override fun cacheHit(
    call: Call,
    response: Response,
  ) {
    logWithTime("cacheHit")

    delegate.cacheHit(call, response)
  }

  override fun cacheConditionalHit(
    call: Call,
    cachedResponse: Response,
  ) {

        buildFile << """
            apply plugin: "base"
            task customTask {
                inputs.file "input.txt"
                outputs.file "build/output" withPropertyName "output"
                outputs.cacheIf { true }
                doLast {
                  mkdir('build/output')
                  file('build/output/output.txt').text = file('input.txt').text
                }
            }
        """

        then:

     * or if any of the predicates passed to {@link #doNotCacheIf(String, Spec)} returns {@code true}. If {@code cacheIf()} is not specified,
     * the task will not be cached unless the {@literal @}{@link CacheableTask} annotation is present on the task type.</p>
     *
     * <p>Consider using {@link #cacheIf(String, Spec)} instead for also providing a reason for enabling caching.</p>
     *

    val lazyBuildTreeModelSideEffects = lazy { BuildTreeModelSideEffectStore(host, cacheIO, store) }

    private
    val lazyIntermediateModels = lazy { IntermediateModelController(host, cacheIO, store, calculatedValueContainerFactory, cacheFingerprintController) }

    private
    val lazyProjectMetadata = lazy { ProjectMetadataController(host, cacheIO, resolveStateFactory, store, calculatedValueContainerFactory) }

    private

        when:
        cleanBuildDir()
        withBuildCache().run "customTask"
        then:
        skipped ":customTask"


        when:
        buildFile << """
            customTask.outputs.cacheIf { false }
        """

        withBuildCache().run "customTask"
        cleanBuildDir()

        withBuildCache().run "customTask"

        then:
        executedAndNotSkipped ":customTask"

    @Rule
    TestNameTestDirectoryProvider testDirectoryProvider = new TestNameTestDirectoryProvider(getClass())
    def testDir = testDirectoryProvider.testDirectory

    def cachedDir = testDir.file("cached")
    def cache = new TestInMemoryCacheFactory().open(cachedDir, "jars")
    def cacheBuilder = Stub(CacheBuilder) {
        open() >> cache
        withDisplayName(_) >> { cacheBuilder }
        withInitialLockMode(_) >> { cacheBuilder }

 */

package org.gradle.cache;

public interface CacheDecorator {
    /**
     * @param cacheId Unique id for this cache instance.
     * @param cacheName Name for the type of contents stored in this cache instance.
     */

        storeInCache = false;
    }

    @Override
    public void cacheIf(final Spec<? super Task> spec) {
        cacheIf("Task outputs cacheable", spec);
    }

    @Override
    public void cacheIf(final String cachingEnabledReason, final Spec<? super Task> spec) {
        taskMutator.mutate("TaskOutputs.cacheIf(Spec)", () -> {
            cacheIfSpecs.add(new SelfDescribingSpec<>(spec, cachingEnabledReason));

        val (context, codecs) = cacheIO.writerContextFor(encoder)
        context.push(IsolateOwners.OwnerHost(host), codecs.userTypesCodec())
        context.runWriteOperation {
            write(value)
        }
    }

    override fun read(decoder: Decoder): IntermediateModel {
        val (context, codecs) = cacheIO.readerContextFor(decoder)