From 4de0f896eed66d1bc63e82dd0c23ea338fbf310a Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Sun, 6 Jan 2019 02:45:13 +0100
Subject: Fix bash errors in case if 'scripts' target is not available in
 tested ADEI version

---
 service/check_adei.sh | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/service/check_adei.sh b/service/check_adei.sh
index 4edad93..5ef1ebf 100755
--- a/service/check_adei.sh
+++ b/service/check_adei.sh
@@ -76,11 +76,13 @@ size=$(query "$url/info.php?target=size&encoding=text")
 if [ $healthy -ne 0 ]; then
     scripts=$(query "$url/info.php?target=scripts")
     waiting=$(echo $scripts | xmllint --format - | grep "Value" | sed -e "s/^\(.*mtime=\"\([^\"]*\)\".*\)$/\\2\\1/" | awk -v date="$(date +%s)" '{duration=date - $1} duration > 3600 { print duration }' | sort -rn)
-    num_waiting=$(echo $waiting | tr ' ' '\n' | wc -l)
-    long_waiting=$(echo $waiting | cut -d ' ' -f 1)
-    if [ $num_waiting -gt 0 ]; then
-        healthy=2
-        echo "$num_waiting pending scripts, longest for $(format_time $long_waiting)"
+    if [ -n "$waiting" ]; then
+        num_waiting=$(echo $waiting | tr ' ' '\n' | wc -l)
+        long_waiting=$(echo $waiting | cut -d ' ' -f 1)
+        if [ $num_waiting -gt 0 ]; then
+            healthy=2
+            echo "$num_waiting pending scripts, longest for $(format_time $long_waiting)"
+        fi
     fi
 fi
 
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