resolved the comments

wangxiaoxuan273 · wangxiaoxuan273 · commit 617f44f17a1b · 2022-12-07T08:34:42.000Z
Signed-off-by: wangxiaoxuan273 &lt;wangxiaoxuan119@gmail.com&gt;
diff --git a/errdef/errors.go b/errdef/errors.go
@@ -27,5 +27,4 @@ var (
 	ErrSizeExceedsLimit   = errors.New("size exceeds limit")
 	ErrUnsupported        = errors.New("unsupported")
 	ErrUnsupportedVersion = errors.New("unsupported version")
-	ErrForeignLayer       = errors.New("foreign layer is not supported")
 )
diff --git a/registry/remote/repository.go b/registry/remote/repository.go
@@ -616,7 +616,7 @@ type blobStore struct {
 // Fetch fetches the content identified by the descriptor.
 func (s *blobStore) Fetch(ctx context.Context, target ocispec.Descriptor) (rc io.ReadCloser, err error) {
 	if isForeignLayer(target) {
-		return nil, fmt.Errorf("%s: %w", target.Digest, errdef.ErrForeignLayer)
+		return nil, fmt.Errorf("the artifact with foreign layer %s is %w", target.Digest, errdef.ErrUnsupported)
 	}
 	ref := s.repo.Reference
 	ref.Reference = target.Digest.String()

Original file line number	Diff line number	Diff line change
`@@ -27,5 +27,4 @@ var (`
`27`	`27`	`ErrSizeExceedsLimit = errors.New("size exceeds limit")`
`28`	`28`	`ErrUnsupported = errors.New("unsupported")`
`29`	`29`	`ErrUnsupportedVersion = errors.New("unsupported version")`
`30`		`- ErrForeignLayer = errors.New("foreign layer is not supported")`
`31`	`30`	`)`
Original file line number	Diff line number	Diff line change
`@@ -616,7 +616,7 @@ type blobStore struct {`
`616`	`616`	`// Fetch fetches the content identified by the descriptor.`
`617`	`617`	`func (s *blobStore) Fetch(ctx context.Context, target ocispec.Descriptor) (rc io.ReadCloser, err error) {`
`618`	`618`	`if isForeignLayer(target) {`
`619`		`- return nil, fmt.Errorf("%s: %w", target.Digest, errdef.ErrForeignLayer)`
	`619`	`+ return nil, fmt.Errorf("the artifact with foreign layer %s is %w", target.Digest, errdef.ErrUnsupported)`
`620`	`620`	`}`
`621`	`621`	`ref := s.repo.Reference`
`622`	`622`	`ref.Reference = target.Digest.String()`