fix(desktop): install the latest available update (#27953)

packages/desktop/src/main/updater.ts

@@ -6,8 +6,6 @@ import { initLogging } from "./logging"
 const logger = initLogging()
 const { autoUpdater } = pkg
 
-let downloadedUpdateVersion: string | undefined
-
 export function setupAutoUpdater() {
   if (!UPDATER_ENABLED) return
   autoUpdater.logger = logger
@@ -26,12 +24,6 @@ export function setupAutoUpdater() {
 
 export async function checkUpdate() {
   if (!UPDATER_ENABLED) return { updateAvailable: false }
-  if (downloadedUpdateVersion) {
-    logger.log("returning cached downloaded update", {
-      version: downloadedUpdateVersion,
-    })
-    return { updateAvailable: true, version: downloadedUpdateVersion }
-  }
   logger.log("checking for updates", {
     currentVersion: app.getVersion(),
     channel: autoUpdater.channel,
@@ -57,7 +49,6 @@ export async function checkUpdate() {
     logger.log("update available", { version })
     await autoUpdater.downloadUpdate()
     logger.log("update download completed", { version })
-    downloadedUpdateVersion = version
     return { updateAvailable: true, version }
   } catch (error) {
     logger.error("update check failed", error)
@@ -66,14 +57,15 @@ export async function checkUpdate() {
 }
 
 export async function installUpdate(killSidecar: () => Promise<void>) {
-  if (!downloadedUpdateVersion) {
+  const result = await checkUpdate()
+  if (!result.updateAvailable) {
     logger.log("install update skipped", {
-      reason: "no downloaded update ready",
+      reason: result.failed ? "update check failed" : "no update available",
     })
     return
   }
   logger.log("installing downloaded update", {
-    version: downloadedUpdateVersion,
+    version: result.version ?? null,
   })
   await killSidecar()
   autoUpdater.quitAndInstall()