working commit

pkg/repocli/imager.go

@@ -99,16 +99,16 @@ func (ima *Imager) ReadManifest(ctx context.Context, digstr string) (bool, strin
 	if err != nil {
 		return exist, mime, man, err
 	}
-
-	var size int64
 	for _, descr := range ima.index.Manifests {
-		if digstr == descr.Digest.Encoded() {
-			size = descr.Size
+		if digstr == descr.Digest.String() {
 			mime = descr.MediaType
 			exist = true
 		}
 	}
-
+	if !exist {
+		err = errors.New("Manifest not found in index")
+		return exist, mime, man, err
+	}
 	subdir := string(digobj.Algorithm())
 	mpath := filepath.Join(ima.place, ocispec.ImageBlobsDir, subdir, digobj.Encoded())
 	mfile, err := os.OpenFile(mpath, os.O_RDONLY, 0)
@@ -120,12 +120,8 @@ func (ima *Imager) ReadManifest(ctx context.Context, digstr string) (bool, strin
 	buffer := bytes.NewBuffer(nil)
 	verifier := digobj.Verifier()
 	mwriter := io.MultiWriter(verifier, buffer)
-	readsize, err := io.Copy(mwriter, mfile)
+	_, err = io.Copy(mwriter, mfile)
 	man = buffer.Bytes()
-	if size != readsize {
-		err = errors.New("Mismatch manigest sizes")
-		return exist, mime, man, err
-	}
 	if !verifier.Verified() {
 		err = errors.New("Mismatch manifest digests")
 		return exist, mime, man, err