From 9dcc251017dcec7703241626ba845929c1720318 Mon Sep 17 00:00:00 2001
From: James Allen <james@sharelatex.com>
Date: Thu, 5 Nov 2015 16:52:50 +0000
Subject: [PATCH] Copy header values so they can be modified by modules each
 request

---
 services/web/app/coffee/infrastructure/ExpressLocals.coffee | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/services/web/app/coffee/infrastructure/ExpressLocals.coffee b/services/web/app/coffee/infrastructure/ExpressLocals.coffee
index e0bb0724e1..9fd6a3d5d5 100644
--- a/services/web/app/coffee/infrastructure/ExpressLocals.coffee
+++ b/services/web/app/coffee/infrastructure/ExpressLocals.coffee
@@ -146,7 +146,10 @@ module.exports = (app, webRouter, apiRouter)->
 		next()
 
 	webRouter.use (req, res, next) ->
-		res.locals.nav = Settings.nav
+		# Clone the nav settings so they can be modified for each request
+		res.locals.nav = {}
+		for key, value of Settings.nav
+			res.locals.nav[key] = _.clone(Settings.nav[key])
 		res.locals.templates = Settings.templateLinks
 		next()