func addDir(n *core.IpfsNode, dir files.File) (*merkledag.Node, error) {
tree := &merkledag.Node{Data: unixfs.FolderPBData()}
Loop:
for {
file, err := dir.NextFile()
switch {
case err != nil && err != io.EOF:
return nil, err
case err == io.EOF:
break Loop
}
node, err := addFile(n, file)
if err != nil {
return nil, err
}
_, name := gopath.Split(file.FileName())
if err := tree.AddNodeLink(name, node); err != nil {
return nil, err
}
}
if err := addNode(n, tree); err != nil {
return nil, err
}
return tree, nil
}
// Add the given file while respecting the params.
func (params *adder) addFile(file files.File) (*dag.Node, error) {
// Check if file is hidden
if fileIsHidden := files.IsHidden(file); fileIsHidden && !params.hidden {
log.Debugf("%s is hidden, skipping", file.FileName())
return nil, &hiddenFileError{file.FileName()}
}
// Check if "file" is actually a directory
if file.IsDirectory() {
return params.addDir(file)
}
if s, ok := file.(*files.Symlink); ok {
sdata, err := ft.SymlinkData(s.Target)
if err != nil {
return nil, err
}
dagnode := &dag.Node{Data: sdata}
_, err = params.node.DAG.Add(dagnode)
if err != nil {
return nil, err
}
err = params.addNode(dagnode, s.FileName())
return dagnode, err
}
// if the progress flag was specified, wrap the file so that we can send
// progress updates to the client (over the output channel)
var reader io.Reader = file
if params.progress {
reader = &progressReader{file: file, out: params.out}
}
dagnode, err := add(params.node, reader, params.trickle, params.chunker)
if err != nil {
return nil, err
}
// patch it into the root
log.Infof("adding file: %s", file.FileName())
err = params.addNode(dagnode, file.FileName())
return dagnode, err
}
func (params *adder) addDir(file files.File) (*dag.Node, error) {
tree := &dag.Node{Data: ft.FolderPBData()}
log.Infof("adding directory: %s", file.FileName())
for {
file, err := file.NextFile()
if err != nil && err != io.EOF {
return nil, err
}
if file == nil {
break
}
node, err := params.addFile(file)
if _, ok := err.(*hiddenFileError); ok {
// hidden file error, set the node to nil for below
node = nil
} else if err != nil {
return nil, err
}
if node != nil {
_, name := path.Split(file.FileName())
err = tree.AddNodeLink(name, node)
if err != nil {
return nil, err
}
}
}
if err := params.addNode(tree, file.FileName()); err != nil {
return nil, err
}
k, err := params.node.DAG.Add(tree)
if err != nil {
return nil, err
}
params.node.Pinning.GetManual().PinWithMode(k, pin.Indirect)
return tree, nil
}