From 3fdc1d20b6d62596a63bbeff99f45a62d7a4b0b6 Mon Sep 17 00:00:00 2001
From: Jose Diaz-Gonzalez <myaccounts@savant.be>
Date: Sun, 11 Jan 2015 23:58:00 -0500
Subject: [PATCH] Only start the dokku-installer if it's not already running

Upgrades from previous - fresh - dokku versions will fail if the dokku-installer is already running.
---
 debian/preinst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/debian/preinst b/debian/preinst
index fe87cd7e9..5566f3a02 100755
--- a/debian/preinst
+++ b/debian/preinst
@@ -20,7 +20,9 @@ case "$1" in
 
     rm -f /etc/nginx/sites-enabled/*
     service nginx reload
-    service dokku-installer start
+    if service dokku-installer status 2> /dev/null | grep waiting; then
+        sudo service dokku-installer start
+    fi
     ;;
 
   abort-upgrade)