Added check for diff ignores

utils/HashStrings.go

@@ -2,6 +2,13 @@ package utils
 
 import "github.com/OneOfOne/xxhash"
 
+// HashString returns a hash of the string.
+func HashString(item string) uint64 {
+	h := xxhash.NewS64(0)
+	h.Write([]byte(item))
+	return h.Sum64()
+}
+
 // HashStringsNoOrder returns a hash of the string slice contents, ignoring order.
 func HashStringsNoOrder(items []string) uint64 {
 	sum := uint64(0)