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update.php
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update.php
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#!/usr/bin/env php
<?php
/**
* Run all updaters.
*
* This is used when the database schema is modified and we need to apply patches.
*
* 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
*/
// NO_AUTOLOAD -- due to hashbang above
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd
use MediaWiki\Context\RequestContext;
use MediaWiki\Installer\DatabaseInstaller;
use MediaWiki\Installer\DatabaseUpdater;
use MediaWiki\Installer\Installer;
use MediaWiki\Settings\SettingsBuilder;
use MediaWiki\WikiMap\WikiMap;
use Wikimedia\Rdbms\DatabaseSqlite;
/**
* Maintenance script to run database schema updates.
*
* @ingroup Maintenance
*/
class UpdateMediaWiki extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'MediaWiki database updater' );
$this->addOption( 'quick', 'Skip 5 second countdown before starting' );
$this->addOption( 'initial',
'Do initial updates required after manual installation using tables-generated.sql' );
$this->addOption( 'doshared', 'Also update shared tables' );
$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' );
$this->addOption(
'skip-external-dependencies',
'Skips checking whether external dependencies are up to date, mostly for developers'
);
$this->addOption(
'skip-config-validation',
'Skips checking whether the existing configuration is valid'
);
}
public function getDbType() {
return Maintenance::DB_ADMIN;
}
public function setup() {
global $wgMessagesDirs;
// T206765: We need to load the installer i18n files as some of errors come installer/updater code
// T310378: We have to ensure we do this before execute()
$wgMessagesDirs['MediaWikiInstaller'] = dirname( __DIR__ ) . '/includes/installer/i18n';
}
public function execute() {
global $wgLang, $wgAllowSchemaUpdates;
if ( !$wgAllowSchemaUpdates
&& !( $this->hasOption( 'force' )
|| $this->hasOption( 'schema' )
|| $this->hasOption( 'noschema' ) )
) {
$this->fatalError( "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" );
}
$this->fileHandle = null;
if ( str_starts_with( $this->getOption( 'schema', '' ), '--' ) ) {
$this->fatalError( "The --schema option requires a file as an argument.\n" );
} elseif ( $this->hasOption( 'schema' ) ) {
$file = $this->getOption( 'schema' );
$this->fileHandle = fopen( $file, "w" );
if ( $this->fileHandle === false ) {
$err = error_get_last();
$this->fatalError( "Problem opening the schema file for writing: $file\n\t{$err['message']}" );
}
}
// Check for warnings about settings, and abort if there are any.
if ( !$this->hasOption( 'skip-config-validation' ) ) {
$this->validateSettings();
}
$lang = $this->getServiceContainer()->getLanguageFactory()->getLanguage( 'en' );
// Set global language to ensure localised errors are in English (T22633)
RequestContext::getMain()->setLanguage( $lang );
// BackCompat
$wgLang = $lang;
define( 'MW_UPDATER', true );
$this->output( 'MediaWiki ' . MW_VERSION . " Updater\n\n" );
$this->waitForReplication();
// Check external dependencies are up to date
if ( !$this->hasOption( 'skip-external-dependencies' ) && !getenv( 'MW_SKIP_EXTERNAL_DEPENDENCIES' ) ) {
$composerLockUpToDate = $this->runChild( CheckComposerLockUpToDate::class );
$composerLockUpToDate->execute();
} else {
$this->output(
"Skipping checking whether external dependencies are up to date, proceed at your own risk\n"
);
}
# Attempt to connect to the database as a privileged user
# This will vomit up an error if there are permissions problems
$db = $this->getPrimaryDB();
# Check to see whether the database server meets the minimum requirements
/** @var DatabaseInstaller $dbInstallerClass */
$dbInstallerClass = Installer::getDBInstallerClass( $db->getType() );
$status = $dbInstallerClass::meetsMinimumRequirement( $db );
if ( !$status->isOK() ) {
// This might output some wikitext like <strong> but it should be comprehensible
$this->fatalError( $status );
}
$dbDomain = WikiMap::getCurrentWikiDbDomain()->getId();
$this->output( "Going to run database updates for $dbDomain\n" );
if ( $db->getType() === 'sqlite' ) {
/** @var DatabaseSqlite $db */
'@phan-var DatabaseSqlite $db';
$this->output( "Using SQLite file: '{$db->getDbFilePath()}'\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) ..." );
$this->countDown( 5 );
}
$time1 = microtime( true );
$shared = $this->hasOption( 'doshared' );
$updates = [ 'core', 'extensions' ];
if ( !$this->hasOption( 'schema' ) ) {
if ( $this->hasOption( 'noschema' ) ) {
$updates[] = 'noschema';
}
$updates[] = 'stats';
}
if ( $this->hasOption( 'initial' ) ) {
$updates[] = 'initial';
}
$updater = DatabaseUpdater::newForDB( $db, $shared, $this );
// Avoid upgrading from versions older than 1.35
// Using an implicit marker (rev_actor was introduced in 1.34)
// TODO: Use an explicit marker
// See T259771
if ( !$updater->fieldExists( 'revision', 'rev_actor' ) ) {
$this->fatalError(
"Can not upgrade from versions older than 1.35, please upgrade to that version or later first."
);
}
$updater->doUpdates( $updates );
foreach ( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
$child = $this->runChild( $maint );
// LoggedUpdateMaintenance is checking the updatelog itself
$isLoggedUpdate = $child instanceof LoggedUpdateMaintenance;
if ( !$isLoggedUpdate && $updater->updateRowExists( $maint ) ) {
continue;
}
$child->execute();
if ( !$isLoggedUpdate ) {
$updater->insertUpdateRow( $maint );
}
}
$updater->setFileAccess();
$updater->purgeCache();
$time2 = microtime( true );
$timeDiff = $lang->formatTimePeriod( $time2 - $time1 );
$this->output( "\nDone in $timeDiff.\n" );
}
protected 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 (T22471)
$wgLocalisationCacheConf = [
'class' => LocalisationCache::class,
'storeClass' => LCStoreNull::class,
'storeDirectory' => false,
'manualRecache' => false,
];
}
/**
* @suppress PhanPluginDuplicateConditionalNullCoalescing
*/
public function validateParamsAndArgs() {
// Allow extensions to add additional params.
$params = [];
$this->getHookRunner()->onMaintenanceUpdateAddParams( $params );
// This executes before the PHP version check, so don't use null coalesce (??).
// Keeping this compatible with older PHP versions lets us reach the code that
// displays a more helpful error.
foreach ( $params as $name => $param ) {
$this->addOption(
$name,
$param['desc'],
isset( $param['require'] ) ? $param['require'] : false,
isset( $param['withArg'] ) ? $param['withArg'] : false,
isset( $param['shortName'] ) ? $param['shortName'] : false,
isset( $param['multiOccurrence'] ) ? $param['multiOccurrence'] : false
);
}
parent::validateParamsAndArgs();
}
private function formatWarnings( array $warnings ) {
$text = '';
foreach ( $warnings as $warning ) {
$warning = wordwrap( $warning, 75, "\n " );
$text .= "* $warning\n";
}
return $text;
}
private function validateSettings() {
$settings = SettingsBuilder::getInstance();
$warnings = [];
if ( $settings->getWarnings() ) {
$warnings = $settings->getWarnings();
}
$status = $settings->validate();
if ( !$status->isOK() ) {
foreach ( $status->getMessages( 'error' ) as $msg ) {
$warnings[] = wfMessage( $msg )->text();
}
}
$deprecations = $settings->detectDeprecatedConfig();
foreach ( $deprecations as $key => $msg ) {
$warnings[] = "$key is deprecated: $msg";
}
$obsolete = $settings->detectObsoleteConfig();
foreach ( $obsolete as $key => $msg ) {
$warnings[] = "$key is obsolete: $msg";
}
if ( $warnings ) {
$this->fatalError( "Some of your configuration settings caused a warning:\n\n"
. $this->formatWarnings( $warnings ) . "\n"
. "Please correct the issue before running update.php again.\n"
. "If you know what you are doing, you can bypass this check\n"
. "using --skip-config-validation.\n" );
}
}
}
// @codeCoverageIgnoreStart
$maintClass = UpdateMediaWiki::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd

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