From 47461d511193f05c6f7a693ab2ef9cd7254751ec Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Wed, 24 Feb 2016 15:19:07 +0800
Subject: [PATCH] fix: did not check correctly when errorlevel could not be
 collected.

---
 bin/compose | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/compose b/bin/compose
index 1bab6ee..1e264a6 100755
--- a/bin/compose
+++ b/bin/compose
@@ -1866,8 +1866,8 @@ launch_docker_compose() {
         err "Please re-launch your command, or switch from 'devicemapper' driver to 'overlayfs' or 'aufs'."
     fi
 
-    docker_compose_errlvl="$(cat "$docker_compose_dir/.data/errlvl")"
-    if [ -z "docker_compose_dir" ]; then
+    docker_compose_errlvl="$(cat "$docker_compose_dir/.data/errlvl" 2>/dev/null)"
+    if [ -z "$docker_compose_errlvl" ]; then
         err "Something went wrong before you could gather docker-compose errorlevel."
         return 1
     fi