From 9b373e9d109910adb4ea03844be731bd49413d22 Mon Sep 17 00:00:00 2001
From: Matthias Jentsch <matthias.jentsch@netways.de>
Date: Thu, 6 Aug 2015 17:21:52 +0200
Subject: [PATCH] Fix issue that caused IniWriter to fail on empty configs

---
 library/Icinga/File/Ini/Dom/Document.php | 1 +
 library/Icinga/File/Ini/Dom/Section.php  | 2 +-
 library/Icinga/File/Ini/IniWriter.php    | 5 +++--
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/library/Icinga/File/Ini/Dom/Document.php b/library/Icinga/File/Ini/Dom/Document.php
index eca296f2a..e9f2a5a4f 100644
--- a/library/Icinga/File/Ini/Dom/Document.php
+++ b/library/Icinga/File/Ini/Dom/Document.php
@@ -67,6 +67,7 @@ class Document
      */
     public function render()
     {
+        $sections = array();
         foreach ($this->sections as $section) {
             $sections []=  $section->render();
         }
diff --git a/library/Icinga/File/Ini/Dom/Section.php b/library/Icinga/File/Ini/Dom/Section.php
index 0ae9b689c..960003394 100644
--- a/library/Icinga/File/Ini/Dom/Section.php
+++ b/library/Icinga/File/Ini/Dom/Section.php
@@ -7,7 +7,7 @@ class Section
 {
     /**
      * @var string
-     *
+     */
     protected $name;
 
     /**
diff --git a/library/Icinga/File/Ini/IniWriter.php b/library/Icinga/File/Ini/IniWriter.php
index f6ad56680..ab024bf62 100644
--- a/library/Icinga/File/Ini/IniWriter.php
+++ b/library/Icinga/File/Ini/IniWriter.php
@@ -178,8 +178,9 @@ class IniWriter
                 Logger::warning('Section-less property ' . (string)$directives . ' was ignored.');
                 continue;
             }
-            $newSection = $newconfig->getSection($section);
-            if (isset($newSection)) {
+
+            if ($newconfig->hasSection($section)) {
+                $newSection = $newconfig->getSection($section);
                 $oldDomSection = $doc->getSection($section);
                 foreach ($directives as $key => $value) {
                     if ($value instanceof ConfigObject) {