less broken dynamic buff updater

eval("Game.gainBuff="+Game.gainBuff.toString().replace(`buff.maxTime=buff.time;`,`buff.maxTime=buff.time;
buff.desc=buff.desc.split(' for ')[0]+' for '+Game.sayTime(buff.time,-1);
var buffTime=buff.time;
var buffName=buff.type.name;
var mult=0;
Game.killBuff(buff.name);
Game.updateBuffs();
if (Game.Has('Dragon fang') && (buff.type.name == 'dragon harvest' && buff.multCpS == 15 || buff.type.name == 'dragonflight' && buff.multClick == 1111)) {
    Game.Upgrades['Dragon fang'].unearn();
    Game.gainBuff(buffName,Math.ceil(buffTime/30),buff.arg1,buff.arg2,buff.arg3);
    Game.Upgrades['Dragon fang'].earn();
}
else {Game.gainBuff(buffName,Math.ceil(buffTime/30),buff.arg1,buff.arg2,buff.arg3);}`))