Merge pull request #1531 from job/robust_daily

Improve daily.sh robustness

daily.sh

@@ -1,15 +1,17 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-cd $(dirname $0) || exit 1
+set -eu
 
-if [ $(php daily.php -f update) -eq 1 ]; then 
-  git pull --quiet
-  php includes/sql-schema/update.php
+cd "$(dirname "$0")"
+
+if [ "$(php daily.php -f update)" -eq 1 ]; then
+    git pull --quiet
+    php includes/sql-schema/update.php
 fi
 
 php daily.php -f syslog
 php daily.php -f eventlog
 php daily.php -f authlog
-php daily.php -f perf_times 
+php daily.php -f perf_times
 php daily.php -f callback
 php daily.php -f device_perf