From fe7946e7b9ea6fce4105bf759362dbcf1e5cabba Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Thu, 21 Apr 2016 18:20:27 +0800
Subject: [PATCH] chg: dev: be more explicit on error message. !minor

---
 bin/compose | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/compose b/bin/compose
index b3cd05b..1c9b3ec 100755
--- a/bin/compose
+++ b/bin/compose
@@ -1951,7 +1951,7 @@ launch_docker_compose() {
     fi
 
     if [ -z "$(echo $(cat "$docker_compose_dir/docker-compose.yml"))" ]; then
-        die "Unexpected empty docker-compose."
+        die "Generated 'docker-compose.yml' is unexpectedly empty. Check your charm availability in '$CHARM_STORE'."
     fi
 
     ## XXXvlab: could be more specific and only link the needed charms