From fc4b271803a1c557927d61d25ed35c560869fda6 Mon Sep 17 00:00:00 2001
From: Luka Murn <lmurn@biosistemika.com>
Date: Thu, 14 Mar 2019 08:34:04 +0100
Subject: [PATCH] Fix stack trace trimming on WOPI middleware

---
 config/initializers/backtrace_silencers.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/config/initializers/backtrace_silencers.rb b/config/initializers/backtrace_silencers.rb
index 59385cdf3..8117bb34b 100644
--- a/config/initializers/backtrace_silencers.rb
+++ b/config/initializers/backtrace_silencers.rb
@@ -3,5 +3,11 @@
 # You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
 # Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
 
+# Silence the WOPI method override to prevent "trapping" of stack/backtrace
+# See https://stackoverflow.com/questions/29498145
+Rails.backtrace_cleaner.add_silencer do |line|
+  line =~ %r{app/middlewares/wopi_method_override}
+end
+
 # You can also remove all the silencers if you're trying to debug a problem that might stem from framework code.
 # Rails.backtrace_cleaner.remove_silencers!