}

    @Override
    public CopySpec into(Object destPath) {
        delegate.into(destPath);
        return this;
    }

    @Override
    public CopySpec into(Object destPath, Closure configureClosure) {
        return delegate.into(destPath, configureClosure);
    }

    @Override
    public CopySpec into(Object destPath, Action<? super CopySpec> copySpec) {

            writeCollection(value.children)
        }
    }

    override suspend fun ReadContext.decode(): DefaultCopySpec {
        return decodePreservingIdentity { id ->
            val destPath = readNullableString()
            val sourceFiles = read() as FileCollection
            val patterns = read() as PatternSet
            val duplicatesStrategy = readEnum<DuplicatesStrategy>()

        when:
        succeeds "zip", "--info"
        then:
        executedAndNotSkipped(":zip")
        output.contains "Value of input property 'rootSpec\$1\$1.destPath' has changed for task ':zip'"
        output.contains "Value of input property 'rootSpec\$1\$1\$1.destPath' has changed for task ':zip'"
    }

    private def createTestFiles() {
        createDir('dir1', {
            file('file1.txt').text = "dir1/file1.txt"

     * Specifies the destination directory for a copy. The destination is evaluated as per {@link
     * org.gradle.api.Project#file(Object)}.
     *
     * @param destPath Path to the destination directory for a Copy
     * @return this
     */
    CopyProcessingSpec into(Object destPath);

    /**
     * Renames a source file. The closure will be called with a single parameter, the name of the file.

        1 * delegateAction.processFile({ it.relativePath.pathString == '/root/path/file2.txt' })
        thrown(DuplicateFileCopyingException)
    }


    void files(String... fileNames) {
        copySpecResolver.destPath >> new RelativePath(false, '/root')
        def fileTree = Mock(FileTree)
        copySpecResolver.getSource() >> fileTree
        fileTree.visit(_ as FileVisitor) >> { FileVisitor visitor ->

	}
	for _, testPath := range matches {
		testPath := testPath
		testName, err := filepath.Rel("./testdata", testPath)
		if err != nil {
			t.Fatalf("failed to relativize testdata path: %v", err)
		}
		t.Run(testName, func(t *testing.T) {
			tr, exp, err := testtrace.ParseFile(testPath)
			if err != nil {
				t.Fatalf("failed to parse test file at %s: %v", testPath, err)
			}
			testReader(t, tr, exp)
		})

// ParseFile parses a test file generated by the testgen package.
func ParseFile(testPath string) (io.Reader, *Expectation, error) {
	ar, err := txtar.ParseFile(testPath)
	if err != nil {
		return nil, nil, fmt.Errorf("failed to read test file for %s: %v", testPath, err)
	}
	if len(ar.Files) != 2 {
		return nil, nil, fmt.Errorf("malformed test %s: wrong number of files", testPath)
	}
	if ar.Files[0].Name != "expect" {

	}
	return
}

func getTestTrace(t *testing.T, testPath string) *parsedTrace {
	t.Helper()

	// First read in the text trace and write it out as bytes.
	f, err := os.Open(testPath)
	if err != nil {
		t.Fatalf("failed to open test %s: %v", testPath, err)
	}
	r, err := raw.NewTextReader(f)
	if err != nil {
		t.Fatalf("failed to read test %s: %v", testPath, err)
	}
	var trace bytes.Buffer

		if info.IsDir() {
			return os.MkdirAll(dstPath, perm|0200)
		}

		// If the OS supports symlinks, use them instead of copying bytes.
		if err := os.Symlink(srcPath, dstPath); err == nil {
			return nil
		}

		// Otherwise, copy the bytes.
		src, err := os.Open(srcPath)
		if err != nil {
			return err
		}
		defer src.Close()

		dst, err := os.OpenFile(dstPath, os.O_WRONLY|os.O_CREATE|os.O_EXCL, perm)

		// If we add a file in the overlay, we don't want to add it in the original.
		if info.IsDir() {
			return os.MkdirAll(dstPath, perm|0200)
		}

		// If we can use a hard link, do that instead of copying bytes.
		// Go builds don't like symlinks in some cases, such as go:embed.
		if err := os.Link(srcPath, dstPath); err == nil {
			return nil
		}

		// Otherwise, copy the bytes.
		src, err := os.Open(srcPath)
		if err != nil {