working commit

app/storage/storage.go

@@ -139,17 +139,36 @@ func (store *Storage) DeleteFile(collection, filename string) error {
 }
 
 const (
-	upsubdir = "uploads"
+	upsubdir   = "uploads"
+	blobsubdir = "blobs"
 )
 
 func (store *Storage) makeUppath(upname string) string {
-	return filepath.Join(store.basepath, upsubdir, upname)
+	return filepath.Join(store.basepath, upsubdir, upname) + ".bin"
+}
+
+func (store *Storage) makeUpsubdir() string {
+	return filepath.Join(store.basepath, upsubdir)
+}
+
+func (store *Storage) makeBlobpath(upname string) string {
+	return filepath.Join(store.basepath, blobsubdir, upname) + ".bin"
+}
+
+func (store *Storage) makeBlobsubdir() string {
+	return filepath.Join(store.basepath, blobsubdir)
 }
 
 func (store *Storage) WriteUpload(digest string, source io.Reader) (int64, error) {
 	var err error
 	var recsize int64
 
+	uploadDir := store.makeUpsubdir()
+	err = os.MkdirAll(uploadDir, 0750)
+	if err != nil {
+		return recsize, err
+	}
+
 	uploadPath := store.makeUppath(digest)
 	uploadFile, err := os.OpenFile(uploadPath, os.O_WRONLY|os.O_CREATE, 0644)
 	if err != nil {
@@ -166,9 +185,31 @@ func (store *Storage) WriteUpload(digest string, source io.Reader) (int64, error
 	return recsize, err
 }
 
-func (st *Storage) RemoveUpload(digest string) error {
+func (store *Storage) LinkUpload(reference, digest string) error {
 	var err error
-	uploadPath := st.makeUppath(digest)
+	uploadPath := store.makeUppath(reference)
+	blobPath := store.makeBlobpath(digest)
+
+	blobdir := store.makeBlobsubdir()
+	err = os.MkdirAll(blobdir, 0750)
+	if err != nil {
+		return err
+	}
+
+	err = os.Link(uploadPath, blobPath)
+	if err != nil {
+		return err
+	}
+	err = os.Remove(uploadPath)
+	if err != nil {
+		return err
+	}
+	return err
+}
+
+func (store *Storage) RemoveUpload(digest string) error {
+	var err error
+	uploadPath := store.makeUppath(digest)
 	err = os.Remove(uploadPath)
 	if err != nil {
 		return err