createZip('test.zip') {
            for (int i = 0; i < 1000; i++) {
                "subdir1$i" {
                    file('file1.txt').text = 'original'
                }
                "subdir2$i" {
                    file('file2.txt').text = 'original'
                    file('file3.txt').text = 'original'
                }
            }
        }

        rootDir.file("subdir/file1.txt").write("content");
        rootDir.file("subdir2/file2.txt").write("content");
        rootDir.tgzTo(tgz);

        TarFileTree tree = tarTree(tgz);

        assertVisits(tree, toList("subdir/file1.txt", "subdir2/file2.txt"), toList("subdir", "subdir2"));
        assertSetContainsForAllTypes(tree, toList("subdir/file1.txt", "subdir2/file2.txt"));
    }

    @Test
    public void readsBzippedTarFile() {

        File included2 = new File(testDir, 'subDir2/included2')
        [included1, included2].each { File file ->
            file.parentFile.mkdirs()
            file.text = 'some text'
        }

        expect:
        assertVisits(fileTree, ['subDir/included1', 'subDir2/included2'], ['subDir', 'subDir2'])
    }

    def testNotifiesListenerWhenContentVisited() {

        touch(new File(srcDir1, 'subdir/ignored.txt'))
        File srcDir2 = new File(testDir, 'dir2')
        touch(new File(srcDir2, 'subdir2/file1.txt'))
        touch(new File(srcDir2, 'subdir2/file2.txt'))
        touch(new File(srcDir2, 'subdir2/ignored.txt'))

        when:
        set.srcDir 'dir1'
        set.srcDir 'dir2'
        set.include '**/file*'
        set.exclude '**/file2*'

	}{
		{
			"empty dir",
			[]string{},
			false,
		},
		{
			"non-mount-no-files",
			[]string{
				"dir/",
				"dir/subdir1/",
				"dir2/",
				"dir2/subdir2/",
				"dir2/subdir2/subdir3/",
				"dir3/",
			},
			false,
		},
		{
			"non-mount-with-files",
			[]string{
				"dir/",
				"dir/file",
				"dir2/",
				"file2",
			},
			true,
		},

		{"subdir1/doesntexist.txt", false, true},
		{"doesntexist", false, true},
		// subdir2 is only in overlay
		{filepath.Join(cwd, "subdir2"), true, false},
		{"subdir2", true, false},
		{"subdir2" + string(filepath.Separator), true, false},
		{"subdir2/file2.txt", false, false},
		{"subdir2/doesntexist.txt", false, true},
		// subdir3 has files on disk and in overlay

        rootDir.file("subdir/file1.txt").write("content");
        rootDir.file("subdir2/file2.txt").write("content");
        archiveFileToRoot(getArchiveFile());

        assertVisits(getTree(), toList("subdir/file1.txt", "subdir2/file2.txt"), toList("subdir", "subdir2"));
        assertSetContainsForAllTypes(getTree(), toList("subdir/file1.txt", "subdir2/file2.txt"));
    }

    @Test
    public void canStopVisitingFiles() {

        file('dest').assertHasDescendants('subdir1/file1.txt', 'subdir2/file2.txt')

        when:
        run 'copy'

        then:
        result.assertTasksSkipped(":copy")

        when:
        createZip('test.zip') {
            subdir1 {
                file 'file1.txt'
            }
            subdir2 {
                file 'file2.xml'
            }
            file 'file3.txt'

        given:
        def root = tmpDir.createDir("root")
        def subDir1 = root.createDir("sub-dir-1")
        subDir1.createFile("file.txt")
        def subDir2 = root.createDir("sub-dir-2")
        subDir2.createFile("file.txt")

        when:
        snapshot(root)

        then:
        1 * statisticsCollector.recordVisitHierarchy()

        then:

        given:
        def task = expectTaskCreated(TaskWithOutputFiles, [new File(testDir, "subdir/output.txt"), new File(testDir, "subdir2/output.txt")] as List)

        when:
        execute(task)

        then:
        new File(testDir, "subdir").isDirectory()
        new File(testDir, "subdir2").isDirectory()
    }

    def validationActionSucceedsWhenSpecifiedOutputDirectoryDoesNotExist() {
        given: