/**
* Check version of downloaded upgrade vs. current version
*
* @param new version dir name
* @return string message or NULL
*/
function check_version($new_version_dir)
{
global $rsc_url, $upgrade_path, $conf_path;
$new_version_file = get_upgrade_folder_path($new_version_dir) . '/conf/_application.php';
if (!file_exists($new_version_file)) {
// Invalid structure of the downloaded upgrade package
debug_die('/conf/_application.php not found in /b2evolution/blogs/ nor /b2evolution/site/ nor /b2evolution/! You may have downloaded an invalid ZIP package.');
}
require $new_version_file;
$vc = version_compare($app_version, $GLOBALS['app_version']);
if ($vc < 0) {
$result = 'old';
} elseif ($vc == 0) {
if ($app_date == $GLOBALS['app_date']) {
$result = 'same';
} elseif ($app_date < $GLOBALS['app_date']) {
$result = 'old';
}
}
if (empty($result)) {
return NULL;
} elseif ($result == 'old') {
return T_('This is an old version!') . '<p>' . T_('You should NOT install this older version.') . '</p>';
} elseif ($result == 'same') {
return T_('This package is already installed!') . '<p style="color:#000">' . T_('No upgrade is needed at this time. You might force a re-install if you want to force a cleanup.') . '</p>';
}
}
/**
* Check version of downloaded upgrade vs. current version
*
* @param new version dir name
* @return string message or NULL
*/
function check_version($new_version_dir)
{
global $rsc_url, $upgrade_path, $conf_path;
$new_version_file = get_upgrade_folder_path($new_version_dir) . '/conf/_application.php';
if (!file_exists($new_version_file)) {
// Invalid structure of the downloaded upgrade package
debug_die('No config file found with b2evolution version! Probably you have downloaded the invalid package.');
}
require $new_version_file;
$vc = version_compare($app_version, $GLOBALS['app_version']);
if ($vc < 0) {
return T_('This is an old version!');
} elseif ($vc == 0) {
if ($app_date == $GLOBALS['app_date']) {
return T_('This package is already installed!');
} elseif ($app_date < $GLOBALS['app_date']) {
return T_('This is an old version!');
}
}
return NULL;
}
$block_item_Widget->disp_template_replaced('block_start');
$upgrade_name = param('upd_name', 'string', '', true);
$success = true;
}
// Enable maintenance mode
$success = $success && switch_maintenance_mode(true, 'upgrade', T_('System upgrade is in progress. Please reload this page in a few minutes.'));
if ($success) {
// Set maximum execution time
set_max_execution_time(1800);
// 30 minutes
// Verify that all destination files can be overwritten
echo '<h4>' . T_('Verifying that all destination files can be overwritten...') . '</h4>';
evo_flush();
$read_only_list = array();
// Get a folder path where we should get the files
$upgrade_folder_path = get_upgrade_folder_path($upgrade_name);
$success = verify_overwrite($upgrade_folder_path, no_trailing_slash($basepath), 'Verifying', false, $read_only_list);
if ($success && empty($read_only_list)) {
// We can backup files and database
// Load Backup class (PHP4) and backup all of the folders and files
load_class('maintenance/model/_backup.class.php', 'Backup');
$Backup = new Backup();
$Backup->include_all();
if (!function_exists('gzopen')) {
$Backup->pack_backup_files = false;
}
// Start backup
if ($success = $Backup->start_backup()) {
// We can upgrade files and database
// Copying new folders and files
echo '<h4>' . T_('Copying new folders and files...') . '</h4>';