Method replaceDescriptor

pkg/v1/layout/write.go:129–162

replaceDescriptor adds a descriptor to the index.json of the Path, replacing any one matching matcher, if found.

(appendable mutate.Appendable, matcher match.Matcher, options ...Option)

// replaceDescriptor adds a descriptor to the index.json of the Path, replacing
// any one matching matcher, if found.
func (l Path) replaceDescriptor(appendable mutate.Appendable, matcher match.Matcher, options ...Option) error {
	ii, err := l.ImageIndex()
	if err != nil {
		return err
	}

	desc, err := partial.Descriptor(appendable)
	if err != nil {
		return err
	}

	o := makeOptions(options...)
	for _, opt := range o.descOpts {
		opt(desc)
	}

	add := mutate.IndexAddendum{
		Add:        appendable,
		Descriptor: *desc,
	}
	ii = mutate.AppendManifests(mutate.RemoveManifests(ii, matcher), add)

	index, err := ii.IndexManifest()
	if err != nil {
		return err
	}

	rawIndex, err := json.MarshalIndent(index, "", "   ")
	if err != nil {
		return err
	}

	return l.WriteFile("index.json", rawIndex, os.ModePerm)
}

// RemoveDescriptors removes any descriptors that match the match.Matcher from the index.json of the Path.
func (l Path) RemoveDescriptors(matcher match.Matcher) error {