fix #6116

Signed-off-by: zwwhdls <zwwhdls@hotmail.com>

pkg/strvals/parser.go

@@ -281,8 +281,15 @@ func (t *parser) listItem(list []interface{}, i int) ([]interface{}, error) {
 		if err != nil {
 			return list, fmt.Errorf("error parsing index: %s", err)
 		}
+		var crtList []interface{}
+		if len(list) > i {
+			// If nested list already exists, take the value of list to next cycle.
+			crtList = list[i].([]interface{})
+		} else {
+			crtList = list
+		}
 		// Now we need to get the value after the ].
-		list2, err := t.listItem(list, i)
+		list2, err := t.listItem(crtList, i)
 		return setIndex(list, i, list2), err
 	case last == '.':
 		// We have a nested object. Send to t.key

pkg/strvals/parser_test.go

@@ -388,7 +388,7 @@ func TestParseInto(t *testing.T) {
 			"inner2": "value2",
 		},
 	}
-	input := "outer.inner1=value1,outer.inner3=value3,outer.inner4=4"
+	input := "outer.inner1=value1,outer.inner3=value3,outer.inner4=4,listOuter[0][0].type=listValue"
 	expect := map[string]interface{}{
 		"outer": map[string]interface{}{
 			"inner1": "value1",
@@ -396,12 +396,22 @@ func TestParseInto(t *testing.T) {
 			"inner3": "value3",
 			"inner4": 4,
 		},
+		"listOuter": [][]interface{}{{map[string]string{
+			"type":   "listValue",
+			"status": "alive",
+		}},
+		},
 	}
 
 	if err := ParseInto(input, got); err != nil {
 		t.Fatal(err)
 	}
 
+	input2 := "listOuter[0][0].status=alive"
+	if err := ParseInto(input2, got); err != nil {
+		t.Fatal(err)
+	}
+
 	y1, err := yaml.Marshal(expect)
 	if err != nil {
 		t.Fatal(err)