From: Dietmar Maurer <dietmar@proxmox.com>
Date: Thu, 26 Jan 2012 05:56:56 +0000 (+0100)
Subject: allow to pass undefined value to template_replace
X-Git-Url: https://git.proxmox.com/?p=pve-common.git;a=commitdiff_plain;h=3250f5c79906762177bc45dd9f9400fb910bbc6b;hp=7f0f0610ab82df7034eb41c44fb310d5aff10438

allow to pass undefined value to template_replace
---

diff --git a/data/PVE/Tools.pm b/data/PVE/Tools.pm
index dc4bbfd..85b3230 100644
--- a/data/PVE/Tools.pm
+++ b/data/PVE/Tools.pm
@@ -454,6 +454,8 @@ sub trim {
 sub template_replace {
     my ($tmpl, $data) = @_;
 
+    return $tmpl if !$tmpl;
+ 
     my $res = '';
     while ($tmpl =~ m/([^{]+)?({([^}]+)})?/g) {
 	$res .= $1 if $1;