@Override
    public boolean equals(Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;

      Package aPackage = (Package) o;

      if (!name.equals(aPackage.name)) return false;
      if (!skipUpgrade.equals(aPackage.skipUpgrade)) return false;
      if (!condition.equals(aPackage.condition)) return false;
      
      return true;
    }
If true, package will not be attempted to be upgraded during RU.
Typically, packages that are located outside of HDP* repositories,
should be marked as true
ambari-server/src/main/java/org/apache/ambari/server/state/ServiceOsSpecific.java