Add subtasks settings migration

Author: Cdddo

src/extension.ts

@@ -23,6 +23,7 @@ import { telemetryService } from "./services/telemetry/TelemetryService"
 import { TerminalRegistry } from "./integrations/terminal/TerminalRegistry"
 import { API } from "./exports/api"
 import { migrateSettings } from "./utils/migrateSettings"
+import { migrateSubtasksSettings } from "./utils/migrateSubtasksSettings"
 
 import { handleUri, registerCommands, registerCodeActions, registerTerminalActions } from "./activate"
 import { formatLanguage } from "./shared/language"
@@ -48,6 +49,7 @@ export async function activate(context: vscode.ExtensionContext) {
 
 	// Migrate old settings to new
 	await migrateSettings(context, outputChannel)
+	await migrateSubtasksSettings(context, outputChannel)
 
 	// Initialize telemetry service after environment variables are loaded.
 	telemetryService.initialize()

src/utils/migrateSubtasksSettings.ts

@@ -0,0 +1,47 @@
+import * as vscode from "vscode"
+
+/**
+ * Migrates old subtasks setting to new subtaskCreation and subtaskCompletion settings.
+ *
+ * TODO: Remove this migration code in September 2025 (6 months after implementation)
+ */
+export async function migrateSubtasksSettings(
+	context: vscode.ExtensionContext,
+	outputChannel: vscode.OutputChannel,
+): Promise<void> {
+	// Old and new setting keys
+	const subtasksKey = "alwaysAllowSubtasks"
+	const subtaskCreationKey = "alwaysAllowSubtaskCreation"
+	const subtaskCompletionKey = "alwaysAllowSubtaskCompletion"
+
+	try {
+		// Get old value
+		const oldValue = await context.globalState.get(subtasksKey)
+		console.log(`old subtasks value: ${oldValue}`)
+
+		if (oldValue !== undefined && typeof oldValue === "boolean") {
+			// Update new settings
+			await Promise.all([
+				context.globalState.update(subtaskCreationKey, oldValue),
+				context.globalState.update(subtaskCompletionKey, oldValue),
+			])
+
+			const creationValue = await context.globalState.get(subtaskCreationKey)
+			const completionValue = await context.globalState.get(subtaskCompletionKey)
+			console.log(`new subtask creation value value: ${creationValue}`)
+			console.log(`new subtask completion value value: ${completionValue}`)
+
+			// Schedule cleanup
+			setTimeout(async () => {
+				try {
+					await context.globalState.update(subtasksKey, undefined)
+					outputChannel.appendLine("Migrated subtasks settings")
+				} catch (error) {
+					outputChannel.appendLine(`Failed to delete old subtasks setting: ${error}`)
+				}
+			}, 0)
+		}
+	} catch (error) {
+		outputChannel.appendLine(`Migrating subtasks settings failed: ${error}`)
+	}
+}