util: Rename SortedStrSliceCompare and move to util package

resources/util.go

@@ -270,27 +270,3 @@ func GetGID(group string) (int, error) {
 
 	return -1, errwrap.Wrapf(err, "group lookup error (%s)", group)
 }
-
-// StrSortedSliceCompare takes two lists of strings and returns whether or not
-// they are equivalent. It will return nil if both sets contain the same
-// elements, regardless of order, and an error if they do not.
-func StrSortedSliceCompare(a, b []string) error {
-	if len(a) != len(b) {
-		return fmt.Errorf("slices have different lengths: %d vs %d", len(a), len(b))
-	}
-
-	// make a copy of each to sort, so we don't reorder the inputs
-	x := make([]string, len(a))
-	y := make([]string, len(b))
-	copy(x, a)
-	copy(y, b)
-
-	sort.Strings(x)
-	sort.Strings(y)
-	for i := range x {
-		if x[i] != y[i] {
-			return fmt.Errorf("values do not match: %s vs %s", x[i], y[i])
-		}
-	}
-	return nil
-}