assertSetContainsForAllTypes(filtered, 'subDir/included1', 'subDir2/included2')
        assertVisits(filtered, ['subDir/included1', 'subDir2/included2'], ['subDir', 'subDir2'])
        filtered.contains(included1)
        !filtered.contains(excluded1)
        !filtered.contains(ignored1)
    }

    def testCanFilterMatchingFilesUsingPatternSet() {
        File included1 = new File(testDir, 'subDir/included1')

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

        when:
        set.srcDir 'dir1'
        set.srcDir 'dir2'

        then:
        assertSetContainsForAllTypes(set, 'subdir/file1.txt', 'subdir/file2.txt', 'subdir2/file1.txt')
    }

	readZip       func(rev, subdir, remote, target string) []string                                   // cmd to read rev's subdir as zip file
	doReadZip     func(ctx context.Context, dst io.Writer, workDir, rev, subdir, remote string) error // arbitrary function to read rev's subdir as zip file
}

var re = lazyregexp.New

var vcsCmds = map[string]*vcsCmd{
	"hg": {

			},
		},

		{
			repo:   gitrepo1,
			rev:    "aaaaaaaaab",
			subdir: "",
			err:    "unknown revision",
		},
		{
			repo:   hgrepo1,
			rev:    "aaaaaaaaab",
			subdir: "",
			err:    "unknown revision",
		},

		{
			repo:   vgotest1,
			rev:    "submod/v1.0.4",
			subdir: "submod",
			files: map[string]uint64{
				"prefix/":                0,

	t.Parallel()

	tempDir := t.TempDir()
	subdir := filepath.Join(tempDir, "x")
	if err := Mkdir(subdir, 0); err != nil {
		t.Fatal(err)
	}

	// If an error occurs make it more likely that removing the
	// temporary directory will succeed.
	defer Chmod(subdir, 0777)

	if err := RemoveAll(subdir); err != nil {
		t.Fatal(err)
	}

	if _, err := Stat(subdir); err == nil {

				{"overlayfiles", 0, true},
				{"parentoverwritten", 0, true},
				{"subdir1", 0, true},
				{"subdir10", 0, true},
				{"subdir11", 0, false},
				{"subdir2", 0, true},
				{"subdir3", 0, true},
				{"subdir4", 2, false},
				// no subdir5.
				{"subdir6", 0, true},
				{"subdir7", 0, true},
				{"subdir8", 0, true},
				{"subdir9", 0, true},
				{"textfile.txt", 0, true},
			},
		},
		{

                outputDirectory = file("build/output")
            }
        """
        def toBeModifiedPath = "in/some/subdir/input1.txt"
        def toBeRemovedPath = "in/some/subdir/input2.txt"
        def toBeAddedPath = "in/some/other/subdir/other-input.txt"
        file("input/$toBeModifiedPath").text = "input to copy"
        file("input/${toBeRemovedPath}").text = "input to copy"

        when:

        then:
        assertIsDirectorySnapshot(snapshot, someDir)

        when:
        allowFileSystemAccess(false)
        def subDir = someDir.file("sub")
        snapshot = read(subDir)
        then:
        assertIsDirectorySnapshot(snapshot, subDir)
    }

    def "invalidate regular file"() {
        def parentDir = temporaryFolder.file("in/some")

        when:
        execute(task)

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

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

        when:

				cleanupFailed = true
				err := fmt.Errorf("volumes subdir was found after it was removed")
				klog.ErrorS(err, "Orphaned pod found, but failed to remove volumes subdir", "podUID", uid, "path", podSubdirPath)
				continue
			}
			if err := removeall.RemoveAllOneFilesystem(kl.mounter, podSubdirPath); err != nil {
				cleanupFailed = true
				klog.ErrorS(err, "Failed to remove orphaned pod subdir", "podUID", uid, "path", podSubdirPath)