in pkg/docker.go [143:171]
func mkTaggingOperations(dcli *client.Client, tagSuffix string, r *regexp.Regexp, appendOrRemove bool) ([]TagOp, error) {
images, err := FindImages(dcli, r)
if err != nil {
return nil, err
}
tagOps := make([]TagOp, 0)
for _, image := range images {
// Skip untagged (dangling) images.
if image.RepoTags[0] == "<none>:<none>" {
continue
}
for _, repoTag := range image.RepoTags {
if !r.MatchString(repoTag) {
continue
}
if appendOrRemove {
tagOps, err = appendTag(tagOps, dcli, tagSuffix, repoTag)
} else {
tagOps, err = removeTag(tagOps, dcli, tagSuffix, repoTag)
}
if err != nil {
return nil, err
}
}
}
return tagOps, nil
}