/**
* Revert a file
*
* @access public
* @author Cédric Alfonsi, <*****@*****.**>
* @param File resource
* @param int revision
* @param string msg
* @return boolean
* @see core_kernel_versioning_File::revert()
*/
public function revert(core_kernel_file_File $resource, $revision = null, $msg = "")
{
$returnValue = (bool) false;
if ($resource->getRepository()->authenticate()) {
//no revision, revert local change
if (is_null($revision)) {
$returnValue = svn_revert($resource->getAbsolutePath());
} else {
$path = realpath($resource->getAbsolutePath());
common_Logger::i('svn_revert ' . $path);
//get the svn revision number
$log = svn_log($path);
$oldRevision = count($log) - $revision;
if (isset($log[$oldRevision])) {
$svnRevision = $log[$oldRevision];
$svnRevisionNumber = $svnRevision['rev'];
//destroy the existing version
helpers_VersionedFile::rmWorkingCopy($path);
//replace with the target revision
if ($resource->update($svnRevisionNumber)) {
if (is_file($path)) {
//get old content
$content = $resource->getFileContent();
//update to the current version
$resource->update();
//set the new content
$resource->setContent($content);
//commit the change
}
if (is_dir($path)) {
$i = 10;
do {
$tmpDir = sys_get_temp_dir() . DIRECTORY_SEPARATOR . uniqid('versionedFolder');
common_Logger::i(__LINE__ . ' ' . $tmpDir);
$exists = file_exists($tmpDir);
$i--;
} while ($exists || !$i);
helpers_VersionedFile::cpWorkingCopy($path, $tmpDir);
$resource->update();
//@TODO: empty the current folder $path, to delete no longer versioned files
helpers_VersionedFile::cpWorkingCopy($tmpDir, $path);
}
if ($resource->commit($msg)) {
$returnValue = true;
} else {
@helpers_VersionedFile::rmWorkingCopy($path);
$resource->update();
}
} else {
@helpers_VersionedFile::rmWorkingCopy($path);
$resource->update();
}
}
}
}
return (bool) $returnValue;
}
