Send trace to a browser incrementally when build is running

We send a state of ansi2html to client, client needs to send this state back.
The state describes the configuration of generator and position within trace.

1 files changed, 1 insertions, 0 deletions

diff --git a/config/routes.rb b/config/routes.rb
index dafecc94648..e5c7d656da7 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -672,6 +672,7 @@ Rails.application.routes.draw do
             post :cancel
             post :retry
             post :erase
+            get :trace
             get :raw
           end