file('dest').assertHasDescendants(
            'one.txt',
            'three.txt'
        )
    }

    def "can filter a file collection using a closure hitting the filesystem"() {
        given:
        file("files/file0.txt") << ""
        file("files/dir1/file1.txt") << ""
        file("files/dir2/file2.txt") << ""

        and:
        buildFile """

		return nil
	}
	return err
}

// Lstat implements a version of os.Lstat that operates on the overlay filesystem.
func Lstat(path string) (fs.FileInfo, error) {
	Trace("Lstat", path)
	return overlayStat(path, os.Lstat, "lstat")
}

// Stat implements a version of os.Stat that operates on the overlay filesystem.
func Stat(path string) (fs.FileInfo, error) {
	Trace("Stat", path)
	return overlayStat(path, os.Stat, "stat")

    }
    testFixturesApi(project(":execution")) {
        because("test fixtures expose OutputChangeListener")
    }
    testFixturesApi(project(":native")) {
        because("test fixtures expose FileSystem")
    }
    testFixturesApi(project(":file-collections")) {
        because("test fixtures expose file collection types")
    }
    testFixturesApi(project(":file-temp")) {

	return &mount.SafeFormatAndMount{Interface: mounter, Exec: exec}
}

// GetVolumeMode retrieves VolumeMode from pv.
// If the volume doesn't have PersistentVolume, it's an inline volume,
// should return volumeMode as filesystem to keep existing behavior.
func GetVolumeMode(volumeSpec *volume.Spec) (v1.PersistentVolumeMode, error) {
	if volumeSpec == nil || volumeSpec.PersistentVolume == nil {
		return v1.PersistentVolumeFilesystem, nil
	}

	echo 'Binaries built with this linker are likely to fail in mysterious ways.'
	echo
	echo 'Run sudo apt-get remove binutils-gold.'
	echo
	exit 1
fi

# Test for bad SELinux.
# On Fedora 16 the selinux filesystem is mounted at /sys/fs/selinux,
# so loop through the possible selinux mount points.
for se_mount in /selinux /sys/fs/selinux
do

            "type": "string"
          },
          "fsType": {
            "description": "fsType is the filesystem type to mount. Must be a filesystem type supported by the host operating system. Ex. \"ext4\", \"xfs\", \"ntfs\". The default filesystem depends on FlexVolume script.",
            "type": "string"
          },
          "options": {
            "additionalProperties": {

	extractAttributesMetadata(options.Envs, options.Platform, meta)
	// Add all instance labels with lower precedence than pod labels
	extractInstanceLabels(options.Platform, meta)

	// Add all pod labels found from filesystem
	// These are typically volume mounted by the downward API
	lbls, err := readPodLabels()
	if err == nil {
		meta.Labels = map[string]string{}
		for k, v := range meta.StaticLabels {
			meta.Labels[k] = v
		}

}

func TestUnshare(t *testing.T) {
	path := "/proc/net/dev"
	if _, err := os.Stat(path); err != nil {
		if os.IsNotExist(err) {
			t.Skip("kernel doesn't support proc filesystem")
		}
		if os.IsPermission(err) {
			t.Skip("unable to test proc filesystem due to permissions")
		}
		t.Fatal(err)
	}

	b, err := os.ReadFile(path)
	if err != nil {
		t.Fatal(err)
	}
	orig := strings.TrimSpace(string(b))

			// regular files: they continue to support random-access reads and writes
			// of persistent data, and they shouldn't add unexpected latency or
			// unavailability in the way that a network filesystem might.
			//
			// Go programs may use ModeIrregular to filter out unusual files (such as
			// raw device files on Linux, POSIX FIFO special files, and so on), so

		return
	}
	// volumeSpec.ReadOnly is the value that determines if volume could be formatted when being mounted.
	// This is the same flag that determines filesystem resizing behaviour for offline resizing and hence
	// we should use it here. This value comes from Pod.spec.volumes.persistentVolumeClaim.readOnly.
	if volumeSpec.ReadOnly {