class KPM::PluginsManager

def read_plugin_identifiers
  path = Pathname.new(@plugins_dir).join('plugin_identifiers.json')
  identifiers = {}
  begin
    identifiers = File.open(path, 'r') do |f|
      JSON.parse(f.read)
    end
  rescue Errno::ENOENT
  end
  identifiers
end