From b29171d9ec430c35413335eb6a8cbe83383c46c6 Mon Sep 17 00:00:00 2001
From: Cyril Rohr <cyril.rohr@gmail.com>
Date: Tue, 15 Apr 2014 17:57:07 +0100
Subject: [PATCH] Allow to specify secret token via environment variable.

---
 config/initializers/secret_token.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/config/initializers/secret_token.rb b/config/initializers/secret_token.rb
index 9840029011..62a54bc8c6 100644
--- a/config/initializers/secret_token.rb
+++ b/config/initializers/secret_token.rb
@@ -9,7 +9,9 @@ require 'securerandom'
 
 def find_secure_token
   token_file = Rails.root.join('.secret')
-  if File.exist? token_file
+  if ENV.key?('SECRET_KEY_BASE')
+    ENV['SECRET_KEY_BASE']
+  elsif File.exist? token_file
     # Use the existing token.
     File.read(token_file).chomp
   else