* Run all updaters.
*
* This is used when the database schema is modified and we need to apply patches.
+ * It is kept compatible with php 4 parsing so that it can give out a meaningful error.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
*
* @file
* @todo document
* @ingroup Maintenance
*/
+if ( !function_exists( 'version_compare' ) || ( version_compare( phpversion(), '5.3.2' ) < 0 ) ) {
+ echo "You are using PHP version " . phpversion() . " but MediaWiki needs PHP 5.3.2 or higher. ABORTING.\n" .
+ "Check if you have a newer php executable with a different name, such as php5.\n";
+ die( 1 );
+}
+
$wgUseMasterForMaintenance = true;
-require_once( 'Maintenance.php' );
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
class UpdateMediaWiki extends Maintenance {
- public function __construct() {
+ function __construct() {
parent::__construct();
$this->mDescription = "MediaWiki database updater";
$this->addOption( 'skip-compat-checks', 'Skips compatibility checks, mostly for developers' );
$this->addOption( 'quick', 'Skip 5 second countdown before starting' );
$this->addOption( 'doshared', 'Also update shared tables' );
$this->addOption( 'nopurge', 'Do not purge the objectcache table after updates' );
+ $this->addOption( 'force', 'Override when $wgAllowSchemaUpdates disables this script' );
}
- public function getDbType() {
- return Maintenance::DB_ADMIN;
+ function getDbType() {
+ /* If we used the class constant PHP4 would give a parser error here */
+ return 2 /* Maintenance::DB_ADMIN */;
}
- public function execute() {
- global $wgVersion, $wgTitle;
+ function compatChecks() {
+ $test = new PhpXmlBugTester();
+ if ( !$test->ok ) {
+ $this->error(
+ "Your system has a combination of PHP and libxml2 versions which is buggy\n" .
+ "and can cause hidden data corruption in MediaWiki and other web apps.\n" .
+ "Upgrade to PHP 5.2.9 or later and libxml2 2.7.3 or later!\n" .
+ "ABORTING (see http://bugs.php.net/bug.php?id=45996).\n",
+ true );
+ }
+ $test = new PhpRefCallBugTester;
+ $test->execute();
+ if ( !$test->ok ) {
+ $ver = phpversion();
+ $this->error(
+ "PHP $ver is not compatible with MediaWiki due to a bug involving\n" .
+ "reference parameters to __call. Upgrade to PHP 5.3.2 or higher, or \n" .
+ "downgrade to PHP 5.3.0 to fix this.\n" .
+ "ABORTING (see http://bugs.php.net/bug.php?id=50394 for details)\n",
+ true );
+ }
+ }
+
+ function execute() {
+ global $wgVersion, $wgTitle, $wgLang, $wgAllowSchemaUpdates;
+
+ if( !$wgAllowSchemaUpdates && !$this->hasOption( 'force' ) ) {
+ $this->error( "Do not run update.php on this wiki. If you're seeing this you should\n"
+ . "probably ask for some help in performing your schema updates.\n\n"
+ . "If you know what you are doing, you can continue with --force", true );
+ }
+
+ $wgLang = Language::factory( 'en' );
$wgTitle = Title::newFromText( "MediaWiki database updater" );
$this->output( "MediaWiki {$wgVersion} Updater\n\n" );
+ wfWaitForSlaves( 5 ); // let's not kill databases, shall we? ;) --tor
+
if ( !$this->hasOption( 'skip-compat-checks' ) ) {
- install_version_checks();
+ $this->compatChecks();
} else {
$this->output( "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n" );
wfCountdown( 5 );
}
$shared = $this->hasOption( 'doshared' );
- $purge = !$this->hasOption( 'nopurge' );
- $updater = DatabaseUpdater::newForDb( $db, $shared );
- $updater->doUpdates( $purge );
+ $updates = array( 'core', 'extensions', 'stats' );
+ if( !$this->hasOption('nopurge') ) {
+ $updates[] = 'purge';
+ }
+
+ $updater = DatabaseUpdater::newForDb( $db, $shared, $this );
+ $updater->doUpdates( $updates );
foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
- $this->runChild( $maint )->execute();
+ if ( $updater->updateRowExists( $maint ) ) {
+ continue;
+ }
+ $child = $this->runChild( $maint );
+ $child->execute();
+ $updater->insertUpdateRow( $maint );
}
$this->output( "\nDone.\n" );
}
- protected function afterFinalSetup() {
+ function afterFinalSetup() {
global $wgLocalisationCacheConf;
# Don't try to access the database
# This needs to be disabled early since extensions will try to use the l10n
- # cache from $wgExtensionSetupFunctions (bug 20471)
+ # cache from $wgExtensionFunctions (bug 20471)
$wgLocalisationCacheConf = array(
'class' => 'LocalisationCache',
'storeClass' => 'LCStore_Null',
}
$maintClass = 'UpdateMediaWiki';
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );