Fix bug in EqualUnsorted when comparing lists of the same length

pkg/util/util.go

@@ -24,8 +24,10 @@ func EqualUnsorted(s1 []string, s2 []string) bool {
 		return false
 	}
 	s1_2, s2_2 := make([]string, len(s1)), make([]string, len(s2))
-	sort.Strings(s1)
-	sort.Strings(s2)
+	copy(s1_2, s1)
+	copy(s2_2, s2)
+	sort.Strings(s1_2)
+	sort.Strings(s2_2)
 	for i, s := range s1_2 {
 		if s != s2_2[i] {
 			return false

pkg/util/util_test.go

@@ -36,6 +36,12 @@ func TestEqualUnsorted(t *testing.T) {
 			s2:    []string{"a", "b", "c"},
 			equal: true,
 		},
+		{
+			desc:  "unequal lists of the same length are not equal",
+			s1:    []string{"example.com"},
+			s2:    []string{"notexample.com"},
+			equal: false,
+		},
 	}
 	for _, test := range tests {
 		t.Run(test.desc, func(test testT) func(*testing.T) {