Fixing updates in square brackets #1342

Author: mikefarah

pkg/yqlib/operator_collect.go

@@ -56,7 +56,7 @@ func collectOperator(d *dataTreeNavigator, context Context, expressionNode *Expr
 		collectedNode := &yaml.Node{Kind: yaml.SequenceNode, Tag: "!!seq"}
 		collectCandidate := candidate.CreateReplacement(collectedNode)
 
-		collectExpResults, err := d.GetMatchingNodes(context.SingleReadonlyChildContext(candidate), expressionNode.RHS)
+		collectExpResults, err := d.GetMatchingNodes(context.SingleChildContext(candidate), expressionNode.RHS)
 		if err != nil {
 			return Context{}, err
 		}

pkg/yqlib/operator_collect_test.go

@@ -20,6 +20,14 @@ var collectOperatorScenarios = []expressionScenario{
 			"D0, P[], (!!seq)::- 1\n- 2\n- 3\n",
 		},
 	},
+	{
+		skipDoc:     true,
+		description: "update in collect",
+		expression:  `[.a = "cat"]`,
+		expected: []string{
+			"D0, P[], (!!seq)::- a: cat\n",
+		},
+	},
 	{
 		description: "Collect empty",
 		document:    ``,