modifying the behaviour of the EUDATiCHECKSUMretrieve to get the checksum of...

modifying the behaviour of the EUDATiCHECKSUMretrieve to get the checksum of the main copy in case of multiple copies in the same zone

rulebase/eudat.re

@@ -479,7 +479,7 @@ EUDATiCHECKSUMretrieve(*path, *checksum, *modtime, *resource) {
             # other ones are "ichksum", "iput -k", "irepl" (on checksumed source) called by the user.
             EUDATiCHECKSUMdate(*coll, *name, *resc, *modtime);
             *status = bool("true");
-            if (*resource != "None" && *resource != "" && *resource == *resc) {
+            if (*resource == "null" || *resource == "" || *resource == "None" || *resource == *resc) {
                 break;
             }
         }