// os.(*File).Chdir is emulated by setting the working directory to the
	// absolute path that this file was opened at, which is why we have to
	// resolve and capture it here.
	if filePath[0] != '/' {
		wd, err := syscall.Getwd()
		if err != nil {
			return -1, poll.SysFile{}, err
		}
		absPath = joinPath(wd, filePath)
	}
	fd, err := syscall.Open(absPath, flag, perm)
	return fd, poll.SysFile{Path: absPath}, err

	if !filepathlite.IsAbs(path) {
		// If the path is relative, we need to prepend the working directory
		// plus a separator to the path before we can determine if it's too long.
		// We don't want to call syscall.Getwd here, as that call is expensive to do
		// every time fixLongPath is called with a relative path, so we use a cache.
		// Note that getwdCache might be outdated if the working directory has been

// UncachedCwd is appropriate to call early in program startup before flag parsing,
// because the -C flag may change the current directory.
func UncachedCwd() string {
	wd, err := os.Getwd()
	if err != nil {
		Fatalf("cannot determine current directory: %v", err)
	}
	return wd
}

// Cwd returns the current working directory at the time of the first call.
func Cwd() string {
	cwdOnce.Do(func() {

		},
		"include": {
			in:       `{{include "test.txt" | indent 2}}`,
			files:    map[string]string{"test.txt": "hello\nworld"},
			expected: "hello\n  world",
		},
	} {
		cwd, err := os.Getwd()
		require.NoError(t, err)

		t.Run(name, func(t *testing.T) {
			tmp := t.TempDir()
			for fileName, fileContent := range tt.files {
				err := os.WriteFile(path.Join(tmp, fileName), []byte(fileContent), 0666)

}

func getcwd() (string, error) {
	if !syscall.ImplementsGetwd {
		return "", nil
	}
	// Use the syscall to get the current working directory.
	// This is imperative for checking for OS thread state
	// after an unshare since os.Getwd might just check the
	// environment, or use some other mechanism.
	var buf [4096]byte
	n, err := syscall.Getcwd(buf[:])
	if err != nil {
		return "", err
	}

//go:build aix || openbsd

package os

// We query the working directory at init, to use it later to search for the
// executable file
// errWd will be checked later, if we need to use initWd
var initWd, errWd = Getwd()

func executable() (string, error) {
	var exePath string
	if len(Args) == 0 || Args[0] == "" {
		return "", ErrNotExist
	}
	if IsPathSeparator(Args[0][0]) {

			return err
		}
		if err := os.WriteFile(name, f.Data, 0666); err != nil {
			return err
		}
	}

	return nil
}

// Getwd returns the directory in which to run the next script command.
func (s *State) Getwd() string { return s.pwd }

// Logf writes output to the script's log without updating its stdout or stderr
// buffers. (The output log functions as a kind of meta-stderr.)

	}
	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 script.Command(
		script.CmdUsage{
			Summary: "run the platform C compiler",
			Args:    "args...",
		},
		func(s *script.State, args ...string) (script.WaitFunc, error) {
			b := work.NewBuilder(s.Getwd())
			wait, err := cmdExec.Run(s, append(b.GccCmd(".", ""), args...)...)
			if err != nil {
				return wait, err
			}
			waitAndClean := func(s *script.State) (stdout, stderr string, err error) {

	if err != nil {
		*errors = append(*errors, err)
		if clear {
			return nil
		}
		return err
	}
	return nil
}

func TestWalkDir(t *testing.T) {
	tmpDir := t.TempDir()

	origDir, err := os.Getwd()
	if err != nil {
		t.Fatal("finding working dir:", err)
	}
	if err = os.Chdir(tmpDir); err != nil {
		t.Fatal("entering temp dir:", err)
	}
	defer os.Chdir(origDir)

	fsys := makeTree()