From feea83809d3ea4f4641e29a57d56536ec6912743 Mon Sep 17 00:00:00 2001
From: "emellor@leeni.uk.xensource.com" <emellor@leeni.uk.xensource.com>
Date: Tue, 29 Nov 2005 14:56:54 +0000
Subject: [PATCH] Added trap for ERR, to get better response from the scripts
 when they are really broken, and add do_or_die command.

Signed-off-by: Ewan Mellor <ewan@xensource.com>
---
 tools/examples/xen-hotplug-common.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tools/examples/xen-hotplug-common.sh b/tools/examples/xen-hotplug-common.sh
index 9cce5175a2..2d9fd9da04 100644
--- a/tools/examples/xen-hotplug-common.sh
+++ b/tools/examples/xen-hotplug-common.sh
@@ -40,6 +40,17 @@ success() {
   xenstore_write "$XENBUS_PATH"/hotplug-status connected
 }
 
+do_or_die() {
+  "$@" || fatal "$@ failed"
+}
+
+sigerr() {
+  fatal "$0" "$@" "failed; error detected."
+}
+
+trap sigerr ERR
+
+
 ##
 # xenstore_read <path>+
 #
-- 
2.30.2