From 9ce153ce7167c11adba8ac225edc7a707e97c6eb Mon Sep 17 00:00:00 2001
From: Federico Ceratto <federico.ceratto@gmail.com>
Date: Wed, 30 Mar 2016 22:40:42 +0100
Subject: Imported Upstream version 1.0.0

---
 plugins.d/charts.d.dryrun-helper.sh | 73 +++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100755 plugins.d/charts.d.dryrun-helper.sh

(limited to 'plugins.d/charts.d.dryrun-helper.sh')

diff --git a/plugins.d/charts.d.dryrun-helper.sh b/plugins.d/charts.d.dryrun-helper.sh
new file mode 100755
index 000000000..646452892
--- /dev/null
+++ b/plugins.d/charts.d.dryrun-helper.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+
+# will stop the script for any error
+set -e
+
+me="$0"
+name="$1"
+chart="$2"
+conf="$3"
+
+can_diff=1
+
+tmp1="`mktemp`"
+tmp2="`mktemp`"
+
+myset() {
+	set | grep -v "^_="	| grep -v "^PIPESTATUS=" | grep -v "^BASH_LINENO="
+}
+
+# save 2 'set'
+myset >"$tmp1"
+myset >"$tmp2"
+
+# make sure they don't differ
+diff "$tmp1" "$tmp2" >/dev/null 2>&1
+if [ $? -ne 0 ]
+then
+	# they differ, we cannot do the check
+	echo >&2 "$me: cannot check with diff."
+	can_diff=0
+fi
+
+# do it again, now including the script
+myset >"$tmp1"
+
+# include the plugin and its config
+if [ -f "$conf" ]
+then
+	. "$conf"
+	if [ $? -ne 0 ]
+	then
+		echo >&2 "$me: cannot load config file $conf"
+		rm "$tmp1" "$tmp2"
+		exit 1
+	fi
+fi
+
+. "$chart"
+if [ $? -ne 0 ]
+then
+	echo >&2 "$me: cannot load chart file $chart"
+	rm "$tmp1" "$tmp2"
+	exit 1
+fi
+
+# remove all variables starting with the plugin name
+myset | grep -v "^$name" >"$tmp2"
+
+if [ $can_diff -eq 1 ]
+then
+	# check if they are different
+	# make sure they don't differ
+	diff "$tmp1" "$tmp2" >&2
+	if [ $? -ne 0 ]
+	then
+		# they differ
+		rm "$tmp1" "$tmp2"
+		exit 1
+	fi
+fi
+
+rm "$tmp1" "$tmp2"
+exit 0
-- 
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