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<?php
/**
* 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 ) ) {
require( dirname( __FILE__ ) . '/../includes/PHPVersionError.php' );
wfPHPVersionError( 'cli' );
}
$wgUseMasterForMaintenance = true;
require_once( __DIR__ . '/Maintenance.php' );
/**
* Maintenance script to run database schema updates.
*
* @ingroup Maintenance
*/
class UpdateMediaWiki extends Maintenance {
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( 'noschema', 'Only do the updates that are not done during schema updates' );
$this->addOption( 'schema', 'Output SQL to do the schema updates instead of doing them. Works even when $wgAllowSchemaUpdates is false', false, true );
$this->addOption( 'force', 'Override when $wgAllowSchemaUpdates disables this script' );
}
function getDbType() {
/* If we used the class constant PHP4 would give a parser error here */
return 2 /* Maintenance::DB_ADMIN */;
}
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->hasOption( 'schema' ) || $this->hasOption( 'noschema' ) ) ) {
$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 or use\n"
. "the --noschema and --schema options to get an SQL file for someone\n"
. "else to inspect and run.\n\n"
. "If you know what you are doing, you can continue with --force\n", true );
}
$this->fileHandle = null;
if( substr( $this->getOption( 'schema' ), 0, 2 ) === "--" ) {
$this->error( "The --schema option requires a file as an argument.\n", true );
} else if( $this->hasOption( 'schema' ) ) {
$file = $this->getOption( 'schema' );
$this->fileHandle = fopen( $file, "w" );
if( $this->fileHandle === false ) {
$err = error_get_last();
$this->error( "Problem opening the schema file for writing: $file\n\t{$err['message']}", 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' ) ) {
$this->compatChecks();
} else {
$this->output( "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n" );
wfCountdown( 5 );
}
# Attempt to connect to the database as a privileged user
# This will vomit up an error if there are permissions problems
$db = wfGetDB( DB_MASTER );
$this->output( "Going to run database updates for " . wfWikiID() . "\n" );
if( $db->getType() === 'sqlite' ) {
$this->output( "Using SQLite file: '{$db->mDatabaseFile}'\n" );
}
$this->output( "Depending on the size of your database this may take a while!\n" );
if ( !$this->hasOption( 'quick' ) ) {
$this->output( "Abort with control-c in the next five seconds (skip this countdown with --quick) ... " );
wfCountDown( 5 );
}
$shared = $this->hasOption( 'doshared' );
$updates = array( 'core', 'extensions' );
if( !$this->hasOption('schema') ) {
if( $this->hasOption('noschema') ) {
$updates[] = 'noschema';
}
$updates[] = 'stats';
if( !$this->hasOption('nopurge') ) {
$updates[] = 'purge';
}
}
$updater = DatabaseUpdater::newForDb( $db, $shared, $this );
$updater->doUpdates( $updates );
foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
$child = $this->runChild( $maint );
// LoggedUpdateMaintenance is checking the updatelog itself
$isLoggedUpdate = is_a( $child, 'LoggedUpdateMaintenance' );
if ( !$isLoggedUpdate && $updater->updateRowExists( $maint ) ) {
continue;
}
$child = $this->runChild( $maint );
$child->execute();
if ( !$isLoggedUpdate ) {
$updater->insertUpdateRow( $maint );
}
}
if( !$this->hasOption('nopurge') ) {
$updater->purgeCache();
}
$this->output( "\nDone.\n" );
}
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 $wgExtensionFunctions (bug 20471)
$wgLocalisationCacheConf = array(
'class' => 'LocalisationCache',
'storeClass' => 'LCStore_Null',
'storeDirectory' => false,
'manualRecache' => false,
);
}
}
$maintClass = 'UpdateMediaWiki';
require_once( RUN_MAINTENANCE_IF_MAIN );
|
