Fixes #833 - Allow absolute path when relocating tmp folder outside o…

…f Piwik

document root.

config/global.ini.php

@@ -187,9 +187,9 @@
 logger_error[]			= screen
 logger_exception[]		= screen
 
-; if configured to log in files, log files will be created in this relative path
-; eg. if the value is tmp/logs files will be created in /path/to/piwik/tmp/logs/ 
-logger_file_path		= tmp/logs/
+; if configured to log in files, log files will be created in this path
+; eg. if the value is tmp/logs files will be created in /path/to/piwik/tmp/logs/
+logger_file_path		= tmp/logs
 
 ; all calls to the API (method name, parameters, execution time, caller IP, etc.)
 ; disabled by default as it can cause serious overhead and should only be used wisely

core/Log.php

@@ -35,7 +35,14 @@ function __construct( 	$logToFileFilename,
 							$logToDatabaseColumnMapping )
 	{
 		parent::__construct();
-		$this->logToFileFilename = PIWIK_INCLUDE_PATH . '/' . Zend_Registry::get('config')->log->logger_file_path . $logToFileFilename;
+
+		$log_dir = Zend_Registry::get('config')->log->logger_file_path;
+		if($log_dir[0] != '/' && $log_dir[0] != DIRECTORY_SEPARATOR)
+		{
+			$log_dir = PIWIK_INCLUDE_PATH . '/' . $log_dir;
+		}
+		$this->logToFileFilename = $log_dir . '/' . $logToFileFilename;
+
 		$this->fileFormatter = $fileFormatter;
 		$this->screenFormatter = $screenFormatter;
 		$this->logToDatabaseTableName = Piwik::prefixTable($logToDatabaseTableName);

core/View.php

@@ -179,6 +179,9 @@ public function setCaching($caching)
 
 	static public function addPiwikPath(&$value, $key)
 	{
-		$value = PIWIK_INCLUDE_PATH ."/$value";
+		if($value[0] != '/' && $value[0] != DIRECTORY_SEPARATOR)
+		{
+			$value = PIWIK_INCLUDE_PATH ."/$value";
+		}
 	}
 }