| 14 | ) |
| 15 | |
| 16 | func pkgRemoteTagCmd() *cobra.Command { |
| 17 | var release string |
| 18 | cmd := &cobra.Command{ |
| 19 | Use: "remote-tag", |
| 20 | Short: "tag a package in a remote registry with another tag", |
| 21 | Long: `Tag a package in a remote registry with another tag, without downloading or pulling. |
| 22 | Will simply tag using the identical descriptor. |
| 23 | First argument is "from" tag, second is "to" tag. |
| 24 | |
| 25 | If the "to" and "from" repositories are the same, then it is a simple tag operation. |
| 26 | If they are not, then the "from" image is pulled and pushed to the "to" repository. |
| 27 | `, |
| 28 | Args: cobra.ExactArgs(2), |
| 29 | RunE: func(cmd *cobra.Command, args []string) error { |
| 30 | var finalErr error |
| 31 | from := args[0] |
| 32 | to := args[1] |
| 33 | remoteOptions := []remote.Option{remote.WithAuthFromKeychain(authn.DefaultKeychain)} |
| 34 | |
| 35 | fromFullname := util.ReferenceExpand(from, util.ReferenceWithTag()) |
| 36 | toFullname := util.ReferenceExpand(to, util.ReferenceWithTag()) |
| 37 | fromRef, err := namepkg.ParseReference(fromFullname) |
| 38 | if err != nil { |
| 39 | return err |
| 40 | } |
| 41 | toRef, err := namepkg.ParseReference(toFullname) |
| 42 | if err != nil { |
| 43 | return err |
| 44 | } |
| 45 | fromDesc, err := registry.GetRemote().Get(fromRef, remoteOptions...) |
| 46 | if err != nil { |
| 47 | return fmt.Errorf("error getting manifest for from image %s: %v", fromFullname, err) |
| 48 | } |
| 49 | toDesc, err := registry.GetRemote().Get(toRef, remoteOptions...) |
| 50 | if err == nil { |
| 51 | if toDesc.Digest == fromDesc.Digest { |
| 52 | log.Infof("image %s already exists in the registry, identical to %s, skipping", toFullname, fromFullname) |
| 53 | return nil |
| 54 | } |
| 55 | log.Infof("image %s already exists in the registry, but is different from %s, overwriting", toFullname, fromFullname) |
| 56 | } |
| 57 | // see if they are from the same sources |
| 58 | if fromRef.Context().String() == toRef.Context().String() { |
| 59 | toTag, err := namepkg.NewTag(toFullname) |
| 60 | if err != nil { |
| 61 | return err |
| 62 | } |
| 63 | finalErr = registry.GetRemote().Tag(toTag, fromDesc, remoteOptions...) |
| 64 | } else { |
| 65 | // different, so need to copy |
| 66 | finalErr = crane.Copy(fromFullname, toFullname) |
| 67 | } |
| 68 | |
| 69 | return finalErr |
| 70 | }, |
| 71 | } |
| 72 | cmd.Flags().StringVar(&release, "release", "", "Release the given version") |
| 73 | |