Method mkdir

backend/mega/mega.go:381–422

mkdir makes the directory and any parent directories for the directory of the name given

(ctx context.Context, rootNode *mega.Node, dir string)

// mkdir makes the directory and any parent directories for the
// directory of the name given
func (f *Fs) mkdir(ctx context.Context, rootNode *mega.Node, dir string) (node *mega.Node, err error) {
	f.mkdirMu.Lock()
	defer f.mkdirMu.Unlock()

	parts := f.splitNodePath(dir)
	if parts == nil {
		return rootNode, nil
	}
	var i int
	// look up until we find a directory which exists
	for i = 0; i <= len(parts); i++ {
		var nodes []*mega.Node
		nodes, err = f.srv.FS.PathLookup(rootNode, parts[:len(parts)-i])
		if err == nil {
			if len(nodes) == 0 {
				node = rootNode
			} else {
				node = nodes[len(nodes)-1]
			}
			break
		}
		if err != mega.ENOENT {
			return nil, fmt.Errorf("mkdir lookup failed: %w", err)
		}
	}
	if err != nil {
		return nil, fmt.Errorf("internal error: mkdir called with nonexistent root node: %w", err)
	}
	// i is number of directories to create (may be 0)
	// node is directory to create them from
	for _, name := range parts[len(parts)-i:] {
		// create directory called name in node
		err = f.pacer.Call(func() (bool, error) {
			node, err = f.srv.CreateDir(name, node)
			return shouldRetry(ctx, err)
		})
		if err != nil {
			return nil, fmt.Errorf("mkdir create node failed: %w", err)
		}
	}
	return node, nil
}

// mkdirParent creates the parent directory of remote
func (f *Fs) mkdirParent(ctx context.Context, remote string) (dirNode *mega.Node, leaf string, err error) {