anchor.diff:    dnsresolver = glPlugin rec {
       name = "graylog-dnsresolver-${version}";
       pluginName = "graylog-plugin-dnsresolver";
  -    version = "1.1.2";
  -    src = fetchurl {
  -      url = "https://github.com/graylog-labs/${pluginName}/releases/download/${version}/${pluginName}-${version}.jar";
  -      sha256 = "01s7wm6bwcpmdrl35gjp6rrqxixs2s9km2bdgzhv8pn25j5qnw28";
  +    version = "1.2.0";
  +    src = fetchurl {
  +      url = "https://github.com/graylog-labs/${pluginName}/releases/download/${version}/${pluginName}-${version}.jar";
  +      sha256 = "0djlyd4w4mrrqfbrs20j1xw0fygqsb81snz437v9bf80avmcyzg1";
       };
       meta = {
         homepage = https://github.com/graylog-labs/graylog-plugin-dnsresolver;
  
positive.code:   aggregates = glPlugin rec {
      name = "graylog-aggregates-${version}";
      pluginName = "graylog-plugin-aggregates";
      version = "2.0.0";
      src = fetchurl {
        url = "https://github.com/cvtienhoven/${pluginName}/releases/download/${version}/${pluginName}-${version}.jar";
        sha256 = "0crgb49msjkvfpksbfhq2hlkc904j184wm1wp6q0x6lzhn07hm8y";
      };
      meta = {
        homepage = https://github.com/cvtienhoven/graylog-plugin-aggregates;
  
negative.code:   slack = glPlugin rec {
      name = "graylog-slack-${version}";
      pluginName = "graylog-plugin-slack";
      version = "3.1.0";
      src = fetchurl {
        url = "https://github.com/graylog-labs/${pluginName}/releases/download/${version}/${pluginName}-${version}.jar";
        sha256 = "067p8g94b007gypwyyi8vb6qhwdanpk8ah57abik54vv14jxg94k";
      };
      meta = {
        homepage = https://github.com/graylog-labs/graylog-plugin-slack;
  