stdout '\(cached\)'

# Files should be tracked even if the test changes its working directory.
go test testcache -run=Chdir
go test testcache -run=Chdir
stdout '\(cached\)'
cp 6x.txt testcache/file.txt
go test testcache -run=Chdir
! stdout '\(cached\)'
go test testcache -run=Chdir
stdout '\(cached\)'

# The content of files should affect caching, provided that the mtime also changes.

				println("unshare not permitted")
				os.Exit(0)
			}
			println("failed to unshare fs:", err.Error())
			os.Exit(1)
		}
		// Chdir to somewhere else on this thread.
		// On systems other than Linux, this is a no-op.
		if err := chdir(os.TempDir()); err != nil {
			println("failed to chdir:", err.Error())
			os.Exit(1)
		}

		// The state on this thread is now considered "tainted", but it

	}
	defer RemoveAll(tempDir)

	err = Chdir(tempDir)
	if err != nil {
		t.Fatalf("Could not chdir to tempdir: %s", err)
	}

	err = RemoveAll(".")
	if err == nil {
		t.Errorf("RemoveAll succeed to remove .")
	}

	err = Chdir(prevDir)
	if err != nil {
		t.Fatalf("Could not chdir %s: %s", prevDir, err)
	}
}

func TestRemoveAllDotDot(t *testing.T) {

			for fileName, fileContent := range tt.files {
				err := os.WriteFile(path.Join(tmp, fileName), []byte(fileContent), 0666)
				require.NoError(t, err, "create input file")
			}
			defer os.Chdir(cwd)
			require.NoError(t, os.Chdir(tmp), "change into tmp directory")
			in := strings.NewReader(tt.in)
			var out bytes.Buffer
			err := generate(in, &out, tt.data)
			if tt.expectedErr == "" {
				require.NoError(t, err, "expand template")

func Chroot(rootfs string) error {
	if err := syscall.Chroot(rootfs); err != nil {
		return errors.Wrapf(err, "unable to chroot to %s", rootfs)
	}
	root := filepath.FromSlash("/")
	if err := os.Chdir(root); err != nil {
		return errors.Wrapf(err, "unable to chdir to %s", root)
	}
	return nil

		}
		return err
	}
	return nil
}

// chdir changes the current working directory to the named directory,
// and then restore the original working directory at the end of the test.
func chdir(t *testing.T, dir string) {
	olddir, err := os.Getwd()
	if err != nil {
		t.Fatalf("getwd %s: %v", dir, err)
	}
	if err := os.Chdir(dir); err != nil {
		t.Fatalf("chdir %s: %v", dir, err)
	}

	t.Cleanup(func() {

	}
	if s := checkErrorPredicate("os.IsNotExist", os.IsNotExist, err, fs.ErrNotExist); s != "" {
		return s
	}

	err = os.Chdir(name)
	if err == nil {
		if err := os.Chdir(originalWD); err != nil {
			t.Fatalf("Chdir should have failed, failed to restore original working directory: %v", err)
		}
		return "Chdir should have failed, restored original working directory"
	}

}

func unshareFs() error {
	err := syscall.Unshare(syscall.CLONE_FS)
	if testenv.SyscallIsNotSupported(err) {
		return errNotPermitted
	}
	return err
}

func chdir(path string) error {
	return syscall.Chdir(path)

	}
	return os.SameFile(fi1, fi2)
}

func init() {
	if e := os.Getenv(executable_EnvVar); e != "" {
		// first chdir to another path
		dir := "/"
		if runtime.GOOS == "windows" {
			cwd, err := os.Getwd()
			if err != nil {
				panic(err)
			}
			dir = filepath.VolumeName(cwd)
		}
		os.Chdir(dir)
		if ep, err := os.Executable(); err != nil {
			fmt.Fprint(os.Stderr, "ERROR: ", err)
		} else {

	}
	return nil
}

// Chdir changes the current working directory to the file,
// which must be a directory.
// If there is an error, it will be of type [*PathError].
func (f *File) Chdir() error {
	if err := f.checkValid("chdir"); err != nil {
		return err
	}
	if e := f.pfd.Fchdir(); e != nil {
		return f.wrapErr("chdir", e)
	}
	return nil
}