The "sign out" button now clears the Launchpad login.

ref: https://fizzy.37signals.com/5986089/collections/2/cards/1382

app/controllers/sessions_controller.rb

@@ -17,7 +17,7 @@ class SessionsController < ApplicationController
 
   def destroy
     terminate_session
-    redirect_to_login_url
+    redirect_to_logout_url
   end
 
   private

app/helpers/login_helper.rb

@@ -11,7 +11,19 @@ module LoginHelper
     end
   end
 
+  def logout_url
+    if Rails.application.config.x.local_authentication
+      new_session_path
+    else
+      Launchpad.logout_url
+    end
+  end
+
   def redirect_to_login_url
     redirect_to login_url, allow_other_host: true
   end
+
+  def redirect_to_logout_url
+    redirect_to logout_url, allow_other_host: true
+  end
 end

app/models/launchpad.rb

@@ -8,6 +8,10 @@ module Launchpad
     url product_account_path("/signin", product: product, account: account), params
   end
 
+  def logout_url
+    url "/signout"
+  end
+
   def authentication_url(**params)
     url "/authenticate", params.merge(product: :fizzy)
   end

test/controllers/sessions_controller_test.rb

@@ -6,7 +6,7 @@ class SessionsControllerTest < ActionDispatch::IntegrationTest
 
     delete session_path
 
-    assert_redirected_to Launchpad.login_url(account: Account.sole)
+    assert_redirected_to Launchpad.logout_url
     assert_not cookies[:session_token].present?
   end