From 3fd2de482a79a76ab2750f170a6bd886cc730316 Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Sun, 31 Jan 2016 14:35:30 +0700
Subject: [PATCH] chg: catch empty ``docker-compose.conf`` with meaning-full
 error message.

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

diff --git a/bin/compose b/bin/compose
index c4fd804..06d4a08 100755
--- a/bin/compose
+++ b/bin/compose
@@ -1544,6 +1544,10 @@ launch_docker_compose() {
         _config_merge "$docker_compose_dir/docker-compose.yml" "$state_tmpdir/to-merge-in-docker-compose.yml" || return 1
     fi
 
+    if [ -z "$(echo $(cat "$docker_compose_dir/docker-compose.yml"))" ]; then
+        die "Unexpected empty docker-compose."
+    fi
+
     ## XXXvlab: could be more specific and only link the needed charms
     ln -sf "$CHARM_STORE/"* "$docker_compose_dir/"
     mkdir "$docker_compose_dir/.data"