errorOutput =~ /Could not pack tree 'output'/
        def cacheKey = cacheOperations.getCacheKeyForTask(":customTask")
        !localCache.hasCacheEntry(cacheKey)
        localCache.listCacheTempFiles().empty
    }

    @ToBeFixedForConfigurationCache(skip = INVESTIGATE)
    def "archive is not pushed to remote when packing fails"() {

        localCache.empty
        def cacheKey = cacheOperations.getCacheKeyForTask(":t")
        remoteCache.hasCacheEntry(cacheKey)

        when:
        settingsFile << """
            buildCache.local.push = true
        """
        execute()

        then:
        cached()
        localCache.hasCacheEntry(cacheKey)

        when:
        settingsFile << """
            buildCache.remote.enabled = false

            assert localStoreOp.details.archiveSize == localCacheArtifact.bytes.length
            assert localStoreOp.result.stored
        } else {
            assert !localCache.hasCacheEntry(cacheKey.toString())
            operations.none(BuildCacheLocalStoreBuildOperationType)
        }

        packOp.result.archiveEntryCount == 5
        remoteStoreOp.details.archiveSize == packOp.result.archiveSize

        metadata.gradleVersion == GradleVersion.current().version
    }

    private Properties readMetadata() {
        def cacheKey = cacheOperations.getCacheKeyForTask(":compileJava")
        assert localCache.hasCacheEntry(cacheKey)
        def cacheEntry = localCache.getCacheEntry(cacheKey)

        // Must rename to "*.tgz" for unpacking to work
        def tgzCacheEntry = temporaryFolder.file("cache.tgz")

    }

    void deleteCacheEntry(String cacheKey) {
        def entry = getTestFileCacheEntry(cacheKey)
        if (entry.file.exists()) {
            entry.file.deleteDir()
        }
    }

    boolean hasCacheEntry(String cacheKey) {
        return getTestFileCacheEntry(cacheKey).file.exists()
    }

    TestCacheEntry getCacheEntry(String cacheKey) {
        def cacheEntry = getTestFileCacheEntry(cacheKey)