Add “project moved” flash message on redirect

app/controllers/concerns/routable_actions.rb

@@ -5,6 +5,7 @@ module RoutableActions
     return unless request.get?
 
     if routable.full_path != requested_path
+      flash[:notice] = 'This project has moved to this location. Please update your links and bookmarks.'
       redirect_to request.original_url.sub(requested_path, routable.full_path)
     end
   end

spec/controllers/groups_controller_spec.rb

@@ -65,6 +65,7 @@ describe GroupsController do
         get :issues, id: redirect_route.path
 
         expect(response).to redirect_to(issues_group_path(group.to_param))
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
   end
@@ -108,6 +109,7 @@ describe GroupsController do
         get :merge_requests, id: redirect_route.path
 
         expect(response).to redirect_to(merge_requests_group_path(group.to_param))
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
   end

spec/controllers/projects_controller_spec.rb

@@ -226,6 +226,7 @@ describe ProjectsController do
         get :show, namespace_id: 'foo', id: 'bar'
 
         expect(response).to redirect_to(public_project)
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
   end
@@ -471,6 +472,7 @@ describe ProjectsController do
         get :refs, namespace_id: 'foo', id: 'bar'
 
         expect(response).to redirect_to(refs_namespace_project_path(namespace_id: public_project.namespace, id: public_project))
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
   end

spec/controllers/users_controller_spec.rb

@@ -82,6 +82,7 @@ describe UsersController do
         get :show, username: redirect_route.path
 
         expect(response).to redirect_to(user)
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
 
@@ -159,6 +160,7 @@ describe UsersController do
         get :calendar, username: redirect_route.path
 
         expect(response).to redirect_to(user_calendar_path(user))
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
   end
@@ -211,6 +213,7 @@ describe UsersController do
         get :calendar_activities, username: redirect_route.path
 
         expect(response).to redirect_to(user_calendar_activities_path(user))
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
   end
@@ -263,6 +266,7 @@ describe UsersController do
         get :snippets, username: redirect_route.path
 
         expect(response).to redirect_to(user_snippets_path(user))
+        expect(controller).to set_flash[:notice].to(/moved/)
       end
     end
   end