Function appendLocal

cmd/crane/cmd/index.go:224–269

(baseRef string, adds []mutate.IndexAddendum)

}

func appendLocal(baseRef string, adds []mutate.IndexAddendum) error {
	var p layout.Path
	if _, err := os.Stat(baseRef); err == nil {
		// If the path exists, try to open it as an OCI layout.
		var err error
		p, err = layout.FromPath(baseRef)
		if err != nil {
			return err
		}
	} else {
		// If the path does not exist, initialize a new OCI layout.
		var err error
		p, err = layout.Write(baseRef, empty.Index)
		if err != nil {
			return err
		}
	}

	for _, add := range adds {
		opts := []layout.Option{}
		if add.Platform != nil {
			opts = append(opts, layout.WithPlatform(*add.Platform))
		}

		if add.MediaType.IsImage() {
			img, ok := add.Add.(v1.Image)
			if !ok {
				return fmt.Errorf("internal error: add.Add is not v1.Image: %T", add.Add)
			}
			if err := p.AppendImage(img, opts...); err != nil {
				return err
			}
		} else if add.MediaType.IsIndex() {
			idx, ok := add.Add.(v1.ImageIndex)
			if !ok {
				return fmt.Errorf("internal error: add.Add is not v1.ImageIndex: %T", add.Add)
			}
			if err := p.AppendIndex(idx, opts...); err != nil {
				return err
			}
		} else {
			return fmt.Errorf("unexpected media type for local append: %s", add.MediaType)
		}
	}
	return nil
}

func appendRemote(cmd *cobra.Command, baseRef, newTag string, adds []mutate.IndexAddendum, o crane.Options, dockerEmptyBase bool) error {
	var base v1.ImageIndex