Copy profile route under - scope

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

changelogs/unreleased/dz-scope-profile-routes.yml

+---
+title: Copy profile route under - scope
+merge_request: 45045
+author:
+type: other

config/routes.rb

@@ -274,6 +274,14 @@ Rails.application.routes.draw do
     draw :snippets
   end
 
+  # Serve profile routes under /-/ scope.
+  # To ensure an old unscoped routing is used for the UI we need to
+  # add prefix 'as' to the scope routing and place it below original routing.
+  # Issue https://gitlab.com/gitlab-org/gitlab/-/issues/210024
+  scope '-', as: :scoped do
+    draw :profile
+  end
+
   root to: "root#index"
 
   get '*unmatched_route', to: 'application#route_not_found'

spec/routing/routing_spec.rb

@@ -133,6 +133,10 @@ RSpec.describe ProfilesController, "routing" do
   it "to #show" do
     expect(get("/profile")).to route_to('profiles#show')
   end
+
+  it 'to #show from scope routing' do
+    expect(get("/-/profile")).to route_to('profiles#show')
+  end
 end
 
 # profile_preferences GET      /profile/preferences(.:format) profiles/preferences#show