add `set -eu` to update.sh

fixes #2957

diff --git a/scripts/update.sh b/scripts/update.sh
index e6ed58b7bf482506c9ceb9252fe1f6493851b1c9..d0598135c459da808123851f231e46bdfcafa325 100644 (file)
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -2,6 +2,9 @@
 # You can execute this file to update wallabag
 # eg: `sh update.sh prod`
 
+set -e
+set -u
+
 COMPOSER_COMMAND='composer'
 
 DIR="${BASH_SOURCE}"