func prepareRepositories(image, imageRoot string, r remote.Remote) error {
repoName, repoTag := remote.NormaliseImageName(image)
id, err := r.ParseTag(repoName, repoTag)
if err != nil {
return err
} else if id == "" {
return nil
}
reposPath := filepath.Join(imageRoot, "repositories")
reposFile, err := os.Create(reposPath)
if err != nil {
return err
}
defer reposFile.Close()
repositories := map[string]Repository{}
repositories[repoName] = Repository{}
repositories[repoName][repoTag] = string(id)
return json.NewEncoder(reposFile).Encode(&repositories)
}
