/**
* Attempt to backup each of the update manifest files by copying them to a file with the same name with a .bak
* extension. If there is an exception thrown, we attempt to roll back all of the changes.
*
* @param string $unzipFolder
* @param string $handle
*
* @return bool
*/
private function _backupFiles($unzipFolder, $handle)
{
$manifestData = UpdateHelper::getManifestData($unzipFolder, $handle);
try {
foreach ($manifestData as $row) {
if (UpdateHelper::isManifestVersionInfoLine($row)) {
continue;
}
// No need to back up migration files.
if (UpdateHelper::isManifestMigrationLine($row)) {
continue;
}
$rowData = explode(';', $row);
$filePath = IOHelper::normalizePathSeparators(($handle == 'craft' ? craft()->path->getAppPath() : craft()->path->getPluginsPath() . $handle . '/') . $rowData[0]);
// It's a folder
if (UpdateHelper::isManifestLineAFolder($filePath)) {
$folderPath = UpdateHelper::cleanManifestFolderLine($filePath);
if (IOHelper::folderExists($folderPath)) {
Craft::log('Backing up folder ' . $folderPath, LogLevel::Info, true);
IOHelper::createFolder($folderPath . '.bak');
IOHelper::copyFolder($folderPath . '/', $folderPath . '.bak/');
}
} else {
// If the file doesn't exist, it's probably a new file.
if (IOHelper::fileExists($filePath)) {
Craft::log('Backing up file ' . $filePath, LogLevel::Info, true);
IOHelper::copyFile($filePath, $filePath . '.bak');
}
}
}
} catch (\Exception $e) {
Craft::log('Error updating files: ' . $e->getMessage(), LogLevel::Error);
UpdateHelper::rollBackFileChanges($manifestData, $handle);
return false;
}
return true;
}