From dbbb8c690aeed9505ef03e1a1afab2226b684818 Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Thu, 11 Sep 2014 07:15:15 +0100
Subject: [PATCH] nicer error message on 'weave status' when there is no weave
 container.

---
 weaver/weave | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/weaver/weave b/weaver/weave
index e7ece3ad..a6dad05f 100755
--- a/weaver/weave
+++ b/weaver/weave
@@ -87,7 +87,10 @@ case "$COMMAND" in
         IFACE=eth0
         ;;
     status)
-        DOCKERIP=$(docker inspect --format='{{ .NetworkSettings.IPAddress }}' weave)
+        if ! DOCKERIP=$(docker inspect --format='{{ .NetworkSettings.IPAddress }}' weave 2>/dev/null) ; then
+            echo "There is no weave container." >&2
+            exit 1
+        fi
         if [ -z "$DOCKERIP" ] ; then
             echo "The weave container is not running." >&2
             exit 1