Function VerifyObject

repo/object/object_reader.go:22–36

VerifyObject ensures that all objects backing ObjectID are present in the repository and returns the content IDs of which it is composed.

(ctx context.Context, cr contentReader, oid ID)

// VerifyObject ensures that all objects backing ObjectID are present in the repository
// and returns the content IDs of which it is composed.
func VerifyObject(ctx context.Context, cr contentReader, oid ID) ([]content.ID, error) {
	tracker := &contentIDTracker{}

	if err := iterateBackingContents(ctx, cr, oid, tracker, func(contentID content.ID) error {
		if _, err := cr.ContentInfo(ctx, contentID); err != nil {
			return errors.Wrapf(err, "error getting content info for %v", contentID)
		}

		return nil
	}); err != nil {
		return nil, err
	}

	return tracker.contentIDs(), nil
}

type objectReader struct {
	// objectReader implements io.Reader, but needs context to read from repository