1 files changed, 6 insertions, 0 deletions
diff --git a/lib/tasks/gitlab/assets.rake b/lib/tasks/gitlab/assets.rake
index 69a3526b872..caa583fb3a9 100644
--- a/lib/tasks/gitlab/assets.rake
+++ b/lib/tasks/gitlab/assets.rake
@@ -55,6 +55,7 @@ namespace :gitlab do
         rake:assets:precompile
         gitlab:assets:compile_webpack_if_needed
         gitlab:assets:fix_urls
+        gitlab:assets:check_page_bundle_mixins_css_for_sideeffects
       ].each(&::Gitlab::TaskHelpers.method(:invoke_and_time_task))
     end
 
@@ -127,5 +128,10 @@ namespace :gitlab do
         abort 'Error: Unable to compile webpack DLL.'.color(:red)
       end
     end
+
+    desc 'GitLab | Assets | Check that scss mixins do not introduce any sideffects'
+    task :check_page_bundle_mixins_css_for_sideeffects do
+      system('./scripts/frontend/check_page_bundle_mixins_css_for_sideeffects.js')
+    end
   end
 end