From e926a41a140f1ced3e97e92f788c830263e9587d Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Tue, 26 Nov 2013 14:12:07 +1100
Subject: [PATCH] add error handling

---
 lib/docker_manager/upgrader.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/docker_manager/upgrader.rb b/lib/docker_manager/upgrader.rb
index 5a42cd9..5b182c4 100644
--- a/lib/docker_manager/upgrader.rb
+++ b/lib/docker_manager/upgrader.rb
@@ -30,6 +30,9 @@ class DockerManager::Upgrader
     else
       log("Did not find unicorn launcher")
     end
+  rescue
+    STDERR.puts("Docker Manager: FAILED TO UPGRADE")
+    raise
   end
 
   def run(cmd)
@@ -37,6 +40,11 @@ class DockerManager::Upgrader
     IO.popen("cd #{Rails.root} && #{cmd} 2>&1") do |line|
       log(line.read)
     end
+
+    unless $?.success?
+      STDERR.puts("FAILED: #{cmd}")
+      raise RuntimeError
+    end
   end
 
   def log(message)