doMaintenance.php

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<?php
use MediaWiki\MediaWikiServices;
 
if ( !defined( 'RUN_MAINTENANCE_IF_MAIN' ) ) {
    echo "This file must be included after Maintenance.php\n";
    exit( 1 );
}
 
// Wasn't included from the file scope, halt execution (probably wanted the class)
// If a class is using commandLine.inc (old school maintenance), they definitely
// cannot be included and will proceed with execution
if ( !Maintenance::shouldExecute() && $maintClass != 'CommandLineInc' ) {
    return;
}
 
if ( !$maintClass || !class_exists( $maintClass ) ) {
    echo "\$maintClass is not set or is set to a non-existent class.\n";
    exit( 1 );
}
 
// Get an object to start us off
$maintenance = new $maintClass();
 
// Basic sanity checks and such
$maintenance->setup();
 
// We used to call this variable $self, but it was moved
// to $maintenance->mSelf. Keep that here for b/c
$self = $maintenance->getName();
 
require_once "$IP/includes/PreConfigSetup.php";
 
if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
    # Use a callback function to configure MediaWiki
    call_user_func( MW_CONFIG_CALLBACK );
} else {
    // Require the configuration (probably LocalSettings.php)
    require $maintenance->loadSettings();
}
 
if ( $maintenance->getDbType() === Maintenance::DB_NONE ) {
    if ( $wgLocalisationCacheConf['storeClass'] === false
        && ( $wgLocalisationCacheConf['store'] == 'db'
            || ( $wgLocalisationCacheConf['store'] == 'detect' && !$wgCacheDirectory ) )
    ) {
        $wgLocalisationCacheConf['storeClass'] = 'LCStoreNull';
    }
}
 
$maintenance->finalSetup();
// Some last includes
require_once "$IP/includes/Setup.php";
 
// Initialize main config instance
$maintenance->setConfig( MediaWikiServices::getInstance()->getMainConfig() );
 
// Sanity-check required extensions are installed
$maintenance->checkRequiredExtensions();
 
// A good time when no DBs have writes pending is around lag checks.
// This avoids having long running scripts just OOM and lose all the updates.
$maintenance->setAgentAndTriggers();
 
// Do the work
$maintenance->execute();
 
// Potentially debug globals
$maintenance->globals();
 
if ( $maintenance->getDbType() !== Maintenance::DB_NONE ) {
    // Perform deferred updates.
    $lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
    $lbFactory->commitMasterChanges( $maintClass );
    DeferredUpdates::doUpdates();
}
 
// log profiling info
wfLogProfilingData();
 
if ( isset( $lbFactory ) ) {
    // Commit and close up!
    $lbFactory->commitMasterChanges( 'doMaintenance' );
    $lbFactory->shutdown( $lbFactory::SHUTDOWN_NO_CHRONPROT );
}