(ctx context.Context, digest string)
| 137 | } |
| 138 | |
| 139 | func (b *Backend) Exists(ctx context.Context, digest string) (bool, error) { |
| 140 | _, err := b.Describe(ctx, digest) |
| 141 | if err != nil && backend.IsNotFound(err) { |
| 142 | return false, nil |
| 143 | } |
| 144 | return err == nil, err |
| 145 | } |
| 146 | |
| 147 | func (b *Backend) Upload(ctx context.Context, r io.Reader, resource *pb.CASResource) error { |
| 148 | key, err := b.keyFor(ctx, resource.Digest) |