From bd358aed1b7ca0b01c021574986fa7e9ec2d2157 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Tue, 21 Jun 2016 13:42:05 +1200
Subject: Require at least one host

---
 nagios-acknowledge | 7 +++++++
 nagios-downtime    | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/nagios-acknowledge b/nagios-acknowledge
index c25deac..5fc6703 100755
--- a/nagios-acknowledge
+++ b/nagios-acknowledge
@@ -87,6 +87,13 @@ case $spec in
         ;;
 esac
 
+# There must be at least one object
+if ! ((${#objects[@]})) ; then
+    printf '%s: At least one host/service must be given\n' \
+        "$self" >&2
+    exit 1
+fi
+
 # All the hosts or services must exist, just to be strict; they don't
 # necessarily have to be in a PROBLEM state though
 for object in "${objects[@]}" ; do
diff --git a/nagios-downtime b/nagios-downtime
index fdf9988..6493dcf 100755
--- a/nagios-downtime
+++ b/nagios-downtime
@@ -81,6 +81,13 @@ case $spec in
         ;;
 esac
 
+# There must be at least one object
+if ! ((${#objects[@]})) ; then
+    printf '%s: At least one host/service must be given\n' \
+        "$self" >&2
+    exit 1
+fi
+
 # All the hosts or services must exist, just to be strict
 for object in "${objects[@]}" ; do
     nagios-exists "$object" && continue
-- 
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