// AddLink creates a unixfs symlink and returns its hash
func (s *Shell) AddLink(target string) (string, error) {
d, _ := ft.SymlinkData(target)
nd := dag.NodeWithData(d)
c, err := s.node.DAG.Add(nd)
if err != nil {
return "", err
}
return c.String(), nil
}
// AddLink creates a unixfs symlink and returns its hash
func (s *Shell) AddLink(target string) (string, error) {
d, _ := ft.SymlinkData(target)
nd := &dag.Node{Data: d}
k, err := s.node.DAG.Add(nd)
if err != nil {
return "", err
}
return k.B58String(), nil
}
func (adder *Adder) addFile(file files.File) error {
err := adder.maybePauseForGC()
if err != nil {
return err
}
if file.IsDirectory() {
return adder.addDir(file)
}
// case for symlink
if s, ok := file.(*files.Symlink); ok {
sdata, err := unixfs.SymlinkData(s.Target)
if err != nil {
return err
}
dagnode := dag.NodeWithData(sdata)
_, err = adder.dagService.Add(dagnode)
if err != nil {
return err
}
return adder.addNode(dagnode, s.FileName())
}
// case for regular file
// 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 adder.Progress {
rdr := &progressReader{file: file, out: adder.Out}
if fi, ok := file.(files.FileInfo); ok {
reader = &progressReader2{rdr, fi}
} else {
reader = rdr
}
}
dagnode, err := adder.add(reader)
if err != nil {
return err
}
// patch it into the root
return adder.addNode(dagnode, file.FileName())
}
func (adder *Adder) addFile(file files.File) error {
err := adder.maybePauseForGC()
if err != nil {
return err
}
switch {
case files.IsHidden(file) && !adder.Hidden:
log.Infof("%s is hidden, skipping", file.FileName())
return &hiddenFileError{file.FileName()}
case file.IsDirectory():
return adder.addDir(file)
}
// case for symlink
if s, ok := file.(*files.Symlink); ok {
sdata, err := unixfs.SymlinkData(s.Target)
if err != nil {
return err
}
dagnode := &dag.Node{Data: sdata}
_, err = adder.node.DAG.Add(dagnode)
if err != nil {
return err
}
return adder.addNode(dagnode, s.FileName())
}
// case for regular file
// 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 adder.Progress {
reader = &progressReader{file: file, out: adder.out}
}
dagnode, err := adder.add(reader)
if err != nil {
return err
}
// patch it into the root
return adder.addNode(dagnode, file.FileName())
}
// 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 TestTypeFailures(t *testing.T) {
dserv := testu.GetDAGServ()
ctx, closer := context.WithCancel(context.Background())
defer closer()
node := unixfs.EmptyDirNode()
if _, err := NewDagReader(ctx, node, dserv); err != ErrIsDir {
t.Fatalf("excepted to get %v, got %v", ErrIsDir, err)
}
data, err := unixfs.SymlinkData("/somelink")
if err != nil {
t.Fatal(err)
}
node = mdag.NodeWithData(data)
if _, err := NewDagReader(ctx, node, dserv); err != ErrCantReadSymlinks {
t.Fatalf("excepted to get %v, got %v", ErrCantReadSymlinks, err)
}
}