From 0c3c72aec02003cf09b3d2d1d8fcdb083f1e6db1 Mon Sep 17 00:00:00 2001
From: Olivier Paroz <oparoz@users.noreply.github.com>
Date: Wed, 3 Sep 2014 03:12:35 +0200
Subject: [PATCH] Libreoffice config folder needs to be set

In order to avoid conflicts between multiple instances installed on one server, it's required to define a LibreOffice configuration folder per instance.

Just like with my PR for the documents app (https://github.com/owncloud/documents/pull/353), I propose to use /tmp/owncloud-instanceid
---
 lib/private/preview/office-cl.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/preview/office-cl.php b/lib/private/preview/office-cl.php
index 81e0cf4b6a..2df189f4db 100644
--- a/lib/private/preview/office-cl.php
+++ b/lib/private/preview/office-cl.php
@@ -32,7 +32,7 @@ if (!\OC_Util::runningOnWindows()) {
 			$defaultParameters = ' -env:UserInstallation=file://' . escapeshellarg($tmpDir) . ' --headless --nologo --nofirststartwizard --invisible --norestore -convert-to pdf -outdir ';
 			$clParameters = \OCP\Config::getSystemValue('preview_office_cl_parameters', $defaultParameters);
 
-			$exec = $this->cmd . $clParameters . escapeshellarg($tmpDir) . ' ' . escapeshellarg($absPath);
+			$exec = $this->cmd . $clParameters . escapeshellarg($tmpDir) . ' ' . escapeshellarg($absPath) . ' -env:UserInstallation=file://' . escapeshellarg(get_temp_dir() . '/owncloud-' . \OC_Util::getInstanceId().'/');
 
 			shell_exec($exec);