# File lib/commands/plugin/plugin_pack.rb, line 35
  def self.parse_spec(spec)
    pack_spec = YAML.parse(spec)
    pack_meta = self.parse_pack_meta(pack_spec)
    pack_plugins = self.parse_pack_plugins(pack_spec)
    return nil if pack_plugins.empty?
    pack_name = pack_meta.delete('name') || 'Untitled Pack'
    pack = PluginPack.new(pack_name)
    pack_meta.each_pair { |key, value| pack.send("#{key}=", value) if pack.respond_to?(key) }
    pack_plugins.each_pair { |name, source| pack.add_plugin(name, source) }
    pack
  end