feat(auth): add -y to login (#272)

so that I can suppress the prompt asking me if I want to login when I'm already logged in

Author: jfoshee

.changeset/auth-login-yes.md

@@ -0,0 +1,5 @@
+---
+"clerk": minor
+---
+
+Add `-y` / `--yes` to `clerk auth login` and `clerk login` to suppress prompt "You're already logged in... Re-Authenticate?"

packages/cli-core/src/cli-program.ts

@@ -217,9 +217,16 @@ Give AI agents better Clerk context: install the Clerk skills
     .command("login")
     .aliases(["signup", "signin", "sign-in"])
     .description("Log in to your Clerk account")
-    .setExamples([{ command: "clerk auth login", description: "Log in via browser (OAuth)" }])
-    .action(async () => {
-      await login();
+    .option("-y, --yes", "Proceed with OAuth without prompting when already logged in")
+    .setExamples([
+      { command: "clerk auth login", description: "Log in via browser (OAuth)" },
+      {
+        command: "clerk auth login -y",
+        description: "Re-authenticate via OAuth without confirmation when already signed in",
+      },
+    ])
+    .action(async (opts) => {
+      await login(opts);
     });
 
   auth
@@ -232,8 +239,9 @@ Give AI agents better Clerk context: install the Clerk skills
   program
     .command("login", { hidden: true })
     .description("Log in to your Clerk account")
-    .action(async () => {
-      await login();
+    .option("-y, --yes", "Proceed with OAuth without prompting when already logged in")
+    .action(async (opts) => {
+      await login(opts);
     });
 
   program

packages/cli-core/src/commands/auth/login.test.ts

@@ -374,6 +374,45 @@ describe("login", () => {
     expect(mockStartAuthServer).toHaveBeenCalled();
   });
 
+  test("in human mode, skips prompt and runs OAuth when yes is true", async () => {
+    mockIsHuman.mockReturnValue(true);
+    mockGetValidToken.mockResolvedValue("existing-token");
+    mockGetAuth.mockResolvedValue({ userId: "user_123" });
+    mockFetchUserInfo
+      .mockResolvedValueOnce({ userId: "user_123", email: "old@example.com" })
+      .mockResolvedValueOnce({ userId: "user_new", email: "new@example.com" });
+    mockBunSpawn();
+
+    const mockServer = {
+      port: 54321,
+      waitForCallback: mock().mockResolvedValue({ code: "reauth-code" }),
+      stop: mock(),
+    };
+    mockStartAuthServer.mockReturnValue(mockServer);
+
+    mockExchangeCodeForToken.mockResolvedValue({
+      access_token: "new-token",
+      token_type: "Bearer",
+      expires_in: 3600,
+      refresh_token: "new-refresh-token",
+    });
+    mockCreateOAuthSession.mockReturnValue({
+      accessToken: "new-token",
+      refreshToken: "new-refresh-token",
+      expiresAt: 999,
+      tokenType: "Bearer",
+    });
+    mockStoreToken.mockResolvedValue(undefined);
+    mockSetAuth.mockResolvedValue(undefined);
+
+    consoleSpy = spyOn(console, "log").mockImplementation(() => {});
+    const result = await runLogin({ yes: true });
+
+    expect(mockConfirm).not.toHaveBeenCalled();
+    expect(mockStartAuthServer).toHaveBeenCalled();
+    expect(result).toEqual({ userId: "user_new", email: "new@example.com" });
+  });
+
   test("in human mode, throws UserAbortError when user declines re-auth", async () => {
     mockIsHuman.mockReturnValue(true);
     mockGetValidToken.mockResolvedValue("existing-token");

packages/cli-core/src/commands/auth/login.ts

@@ -18,6 +18,7 @@ import { ensureFirstApplication } from "../../lib/first-application.ts";
 
 interface LoginOptions {
   showNextSteps?: boolean;
+  yes?: boolean;
 }
 
 async function getExistingSession(): Promise<UserInfo | null> {
@@ -90,7 +91,7 @@ async function performOAuthFlow(): Promise<UserInfo> {
 }
 
 export async function login(options: LoginOptions = {}): Promise<UserInfo> {
-  const { showNextSteps = true } = options;
+  const { showNextSteps = true, yes } = options;
   intro("clerk auth login");
   const existingSession = await withSpinner("Checking session...", () => getExistingSession());
 
@@ -105,7 +106,7 @@ export async function login(options: LoginOptions = {}): Promise<UserInfo> {
     return existingSession;
   }
 
-  if (existingSession) {
+  if (existingSession && isHuman() && !yes) {
     const reauthenticate = await confirm({
       message: `You're already logged in as ${existingSession.email}. Re-authenticate?`,
       default: false,