Fresh dep ensure

vendor/k8s.io/kubernetes/pkg/kubectl/util/slice/slice.go

@@ -20,5 +20,19 @@ import (
 	"sort"
 )
 
-// Sorts []int64 in increasing order
+// SortInts64 sorts []int64 in increasing order
 func SortInts64(a []int64) { sort.Slice(a, func(i, j int) bool { return a[i] < a[j] }) }
+
+// ContainsString checks if a given slice of strings contains the provided string.
+// If a modifier func is provided, it is called with the slice item before the comparation.
+func ContainsString(slice []string, s string, modifier func(s string) string) bool {
+	for _, item := range slice {
+		if item == s {
+			return true
+		}
+		if modifier != nil && modifier(item) == s {
+			return true
+		}
+	}
+	return false
+}