// Save stores file from disk at the given path and returns its metadata.
func saveFile(path string) (entry *Entry, err error) {
fi, err := os.Stat(path)
if err != nil {
return
}
f, err := os.Open(path)
if err != nil {
return
}
defer f.Close()
w := block.NewWriter()
_, err = io.Copy(w, f)
if err != nil {
return
}
ref, err := w.Finish()
if err != nil {
return
}
entry = &Entry{
Name: fi.Name(),
Size: fi.Size(),
ModTime: fi.ModTime(),
Mode: fi.Mode(),
Ref: ref,
}
log.Printf("[%d] stored file %s", w.BlockCount(), path)
return
}
func SaveDirectory(dirpath string) (entry *Entry, err error) {
fi, err := os.Stat(dirpath)
if err != nil {
return
}
dir, err := os.Open(dirpath)
if err != nil {
return
}
defer dir.Close()
fis, err := dir.Readdir(0)
if err != nil {
return
}
entries := make([]*Entry, 0)
// Save files and subdirectories.
for _, fi := range fis {
fullpath := filepath.Join(dirpath, fi.Name())
var e *Entry
if fi.IsDir() {
e, err = SaveDirectory(fullpath)
} else {
e, err = saveFile(fullpath)
}
if err != nil {
return
}
entries = append(entries, e)
}
// Save directory index.
w := block.NewWriter()
enc := json.NewEncoder(w)
err = enc.Encode(entries)
if err != nil {
return
}
ref, err := w.Finish()
if err != nil {
return
}
log.Printf("[%d] stored directory %s at %s", w.BlockCount(), dirpath, ref)
entry = &Entry{
Name: fi.Name(),
Size: fi.Size(),
ModTime: fi.ModTime(),
Mode: fi.Mode(),
Ref: ref,
}
return
}