Merge branch '33585_skip_format_for_unmatched_route' into 'master'

Ignore format of unmatched route

See merge request gitlab-org/gitlab!83523

config/routes.rb

@@ -325,7 +325,7 @@ Rails.application.routes.draw do
 
   root to: "root#index"
 
-  get '*unmatched_route', to: 'application#route_not_found'
+  get '*unmatched_route', to: 'application#route_not_found', format: false
 end
 
 Gitlab::Routing.add_helpers(TimeboxesRoutingHelper)

spec/routing/project_routing_spec.rb

@@ -905,6 +905,13 @@ RSpec.describe 'project routing' do
       )
     end
 
+    it 'routes to 404 without format for invalid page' do
+      expect(get: "/gitlab/gitlabhq/-/metrics/invalid_page.md").to route_to(
+        'application#route_not_found',
+        unmatched_route: 'gitlab/gitlabhq/-/metrics/invalid_page.md'
+      )
+    end
+
     it 'routes to 404 with invalid dashboard_path' do
       expect(get: "/gitlab/gitlabhq/-/metrics/invalid_dashboard").to route_to(
         'application#route_not_found',