add more logs (#232718)

src/vs/workbench/services/userDataSync/browser/userDataSyncWorkbenchService.ts

@@ -151,11 +151,11 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 	}
 
 	private async waitAndInitialize(): Promise<void> {
-		/* wait */
-		await Promise.all([this.extensionService.whenInstalledExtensionsRegistered(), this.userDataInitializationService.whenInitializationFinished()]);
-
-		/* initialize */
 		try {
+			/* wait */
+			await Promise.all([this.extensionService.whenInstalledExtensionsRegistered(), this.userDataInitializationService.whenInitializationFinished()]);
+
+			/* initialize */
 			await this.initialize();
 		} catch (error) {
 			// Do not log if the current window is running extension tests
@@ -181,7 +181,7 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 			}
 		}
 
-		await this.update();
+		await this.update('initialize');
 
 		this._register(this.authenticationService.onDidChangeDeclaredProviders(() => this.updateAuthenticationProviders()));
 
@@ -189,7 +189,7 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 			Event.any(
 				this.authenticationService.onDidRegisterAuthenticationProvider,
 				this.authenticationService.onDidUnregisterAuthenticationProvider,
-			), info => this.isSupportedAuthenticationProviderId(info.id))(() => this.update()));
+			), info => this.isSupportedAuthenticationProviderId(info.id))(() => this.update('authentication provider change')));
 
 		this._register(Event.filter(this.userDataSyncAccountService.onTokenFailed, isSuccessive => !isSuccessive)(() => this.update('token failure')));
 
@@ -213,11 +213,8 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 		}));
 	}
 
-	private async update(reason?: string): Promise<void> {
-
-		if (reason) {
-			this.logService.info(`Settings Sync: Updating due to ${reason}`);
-		}
+	private async update(reason: string): Promise<void> {
+		this.logService.info(`Settings Sync: Updating due to ${reason}`);
 
 		this.updateAuthenticationProviders();
 		await this.updateCurrentAccount();
@@ -548,6 +545,9 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 		if (authenticationProvider) {
 			await this.doSignIn(authenticationProvider);
 		} else {
+			if (!this.authenticationProviders.length) {
+				throw new Error(localize('no authentication providers during signin', "Cannot sign in because there are no authentication providers available."));
+			}
 			await this.pick();
 		}
 	}
@@ -688,7 +688,7 @@ export class UserDataSyncWorkbenchService extends Disposable implements IUserDat
 			this.currentAuthenticationProviderId = accountOrAuthProvider.authenticationProviderId;
 		}
 		this.currentSessionId = sessionId;
-		await this.update();
+		await this.update('sign in');
 	}
 
 	private async onDidAuthFailure(): Promise<void> {

src/vs/workbench/services/userDataSync/common/userDataSync.ts

@@ -67,6 +67,7 @@ export function getSyncAreaLabel(source: SyncResource): string {
 }
 
 export const enum AccountStatus {
+	Uninitialized = 'uninitialized',
 	Unavailable = 'unavailable',
 	Available = 'available',
 }