| 96 | } |
| 97 | |
| 98 | func Copy(ctx context.Context, resolver remotes.Resolver, image reference.Named, named reference.Named) (spec.Descriptor, error) { |
| 99 | src, desc, err := resolver.Resolve(ctx, image.String()) |
| 100 | if err != nil { |
| 101 | return spec.Descriptor{}, err |
| 102 | } |
| 103 | if desc.Annotations == nil { |
| 104 | desc.Annotations = make(map[string]string) |
| 105 | } |
| 106 | // set LabelDistributionSource so push will actually use a registry mount |
| 107 | refspec := reference.TrimNamed(image).String() |
| 108 | u, err := url.Parse("dummy://" + refspec) |
| 109 | if err != nil { |
| 110 | return spec.Descriptor{}, err |
| 111 | } |
| 112 | source, repo := u.Hostname(), strings.TrimPrefix(u.Path, "/") |
| 113 | desc.Annotations[labels.LabelDistributionSource+"."+source] = repo |
| 114 | |
| 115 | p, err := resolver.Pusher(ctx, named.Name()) |
| 116 | if err != nil { |
| 117 | return spec.Descriptor{}, err |
| 118 | } |
| 119 | f, err := resolver.Fetcher(ctx, src) |
| 120 | if err != nil { |
| 121 | return spec.Descriptor{}, err |
| 122 | } |
| 123 | |
| 124 | err = contentutil.CopyChain(ctx, |
| 125 | contentutil.FromPusher(p), |
| 126 | contentutil.FromFetcher(f), desc) |
| 127 | return desc, err |
| 128 | } |
| 129 | |
| 130 | func Push(ctx context.Context, resolver remotes.Resolver, ref reference.Named, descriptor spec.Descriptor) error { |
| 131 | pusher, err := resolver.Pusher(ctx, ref.String()) |