Function ToNameTagPairs

libimage/normalize.go:115–136

ToNameTagsPairs splits repoTags into name&tag pairs. Guaranteed to return at least one pair.

(repoTags []reference.Named)

// ToNameTagsPairs splits repoTags into name&tag pairs.
// Guaranteed to return at least one pair.
func ToNameTagPairs(repoTags []reference.Named) ([]NameTagPair, error) {
	none := "<none>"

	var pairs []NameTagPair
	for i, named := range repoTags {
		pair := NameTagPair{
			Name:  named.Name(),
			Tag:   none,
			named: repoTags[i],
		}

		if tagged, isTagged := named.(reference.NamedTagged); isTagged {
			pair.Tag = tagged.Tag()
		}
		pairs = append(pairs, pair)
	}

	if len(pairs) == 0 {
		pairs = append(pairs, NameTagPair{Name: none, Tag: none})
	}
	return pairs, nil
}

// normalizeTaggedDigestedString strips the tag off the specified string iff it
// is tagged and digested. Note that the tag is entirely ignored to match