.

wcfs/internal/zdata/δftail.go

@@ -291,10 +291,12 @@ func (δFtail *ΔFtail) Update(δZ *zodb.EventCommit) (_ ΔF, err error) {
 				return ΔF{}, err
 			}
 
-			// XXX
-			fmt.Printf("δZBigFile: %v\n", δ)
+			if δ != nil {
+				fmt.Printf("δZBigFile: %v\n", δ)
+				return ΔF{}, fmt.Errorf("ZBigFile<%s> changed @%s", oid, δZ.Tid)
+			}
 
-			return ΔF{}, fmt.Errorf("ZBigFile<%s> changed @%s", oid, δZ.Tid)
+			continue
 		}
 
 		zt, ok := δFtail.trackSetZBlk[oid]