From 51d5b96fa1e48f6a8a41c88118b6ba4fc25e6261 Mon Sep 17 00:00:00 2001
From: Johannes Zellner <johannes@cloudron.io>
Date: Wed, 5 Apr 2017 14:30:32 +0200
Subject: [PATCH] use "mountpoint" to check if we have the user data mounted

---
 setup/start.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup/start.sh b/setup/start.sh
index ece25656c..365a0d05a 100755
--- a/setup/start.sh
+++ b/setup/start.sh
@@ -102,7 +102,7 @@ mkdir -p "${BOX_DATA_DIR}/certs"
 mkdir -p "${BOX_DATA_DIR}/acme" # acme keys
 
 echo "==> Check for old btrfs volumes"
-if df "${OLD_DATA_DIR}"; then
+if mountpoint -q "${OLD_DATA_DIR}"; then
     echo "==> Cleanup btrfs volumes"
     # First stop all container to be able to unmount
     docker ps -q | xargs docker stop