From 7c8586b57652e25243bf46577aeb559bad20025a Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Mon, 29 Dec 2014 12:27:42 +0000
Subject: [PATCH] nicer error when there is no version tag

---
 bin/release | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bin/release b/bin/release
index a39157e5..c0483a9f 100755
--- a/bin/release
+++ b/bin/release
@@ -10,7 +10,10 @@ RELEASE_DESCRIPTION="Weaving Containers into Applications"
 
 setup() {
     ## Get the new version number from the most recent tag
-    LATEST_TAG=$(git describe --abbrev=0 --match='v*')
+    if ! LATEST_TAG=$(git describe --abbrev=0 --match='v*' 2>/dev/null) ; then
+        echo "Could not find a 'v*' version tag." >&2
+        exit 1
+    fi
     LATEST_TAG_SHA=$(git rev-parse $LATEST_TAG)
     VERSION=${LATEST_TAG#v}
     # NB does not check that this tag is on master