From ac3f31fe7f6f507810d74ea210f00db2864c58b3 Mon Sep 17 00:00:00 2001
From: Holger Levsen <holger@layer-acht.org>
Date: Mon, 2 Mar 2015 11:58:29 +0100
Subject: reproducible: fixup: deal gracefully with no results

---
 bin/reproducible_html_graphs.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'bin')

diff --git a/bin/reproducible_html_graphs.sh b/bin/reproducible_html_graphs.sh
index 6c8fb3a9..f0bba571 100755
--- a/bin/reproducible_html_graphs.sh
+++ b/bin/reproducible_html_graphs.sh
@@ -219,7 +219,8 @@ redo_png() {
 		WHERE_EXTRA=""
 	fi
 	sqlite3 -init ${INIT} -csv ${PACKAGES_DB} "SELECT ${FIELDS[$1]} from ${TABLE[$1]} ${WHERE_EXTRA} ORDER BY datum" >> ${TABLE[$1]}.csv
-	if [ -n "$(cat ${TABLE[$1]}.csv)" ] ; then
+	# only generate graph is the query returned data
+	if [ -n "$(tail -1 ${TABLE[$1]}.csv)" ] ; then
 		/srv/jenkins/bin/make_graph.py ${TABLE[$1]}.csv $2 ${COLOR[$1]} "${MAINLABEL[$1]}" "${YLABEL[$1]}"
 		mv $2 /var/lib/jenkins/userContent/
 	fi
-- 
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