class KPM::PluginsManager

def get_plugin_key_and_name(plugin_name_or_key)
  identifiers = read_plugin_identifiers
  if identifiers.has_key?(plugin_name_or_key)
    # It's a plugin key
    [plugin_name_or_key, identifiers[plugin_name_or_key]['plugin_name']]
  else
    # Check it's already a plugin name
    identifiers.each { |plugin_key, entry| return [plugin_key, plugin_name_or_key] if entry['plugin_name'] == plugin_name_or_key }
    nil
  end
end