Method ChangeDir

cmd/dagger/shell_fs.go:36–82

ChangeDir changes the current working directory

(ctx context.Context, path string)

// ChangeDir changes the current working directory
func (h *shellCallHandler) ChangeDir(ctx context.Context, path string) error {
	if h.Debug() {
		shellDebug(ctx, "changeDir (before)", path, h.Workdir(), h.debugLoadedModules())

		defer func() {
			shellDebug(ctx, "changeDir (after)", path, h.Workdir(), h.debugLoadedModules())
		}()
	}

	switch path {
	case "":
		h.mu.Lock()
		defer h.mu.Unlock()
		h.oldwd, h.wd = h.wd, h.initwd
		return nil

	case "-":
		h.mu.Lock()
		defer h.mu.Unlock()
		h.oldwd, h.wd = h.wd, h.oldwd
		return nil
	}

	var subpath string

	def, cfg, err := h.maybeLoadModule(ctx, path, dagger.ModuleServeOpts{Entrypoint: true})
	if err != nil {
		return err
	}
	if cfg != nil {
		subpath = cfg.Subpath
	} else {
		// if there's no module, pass original path to newWorkdir
		subpath = path
	}

	wd, err := h.newWorkdir(ctx, def, subpath)
	if err != nil {
		return fmt.Errorf("change workdir: %w", err)
	}

	h.mu.Lock()
	defer h.mu.Unlock()
	h.oldwd, h.wd = h.wd, *wd

	return nil
}

func (h *shellCallHandler) Workdir() shellWorkdir {
	h.mu.RLock()