maintenance/update.php

   1 <?php
   2 /**
   3  * Run all updaters.
   4  *
   5  * This is used when the database schema is modified and we need to apply patches.
   6  *
   7  * @file
   8  * @todo document
   9  * @ingroup Maintenance
  10  */
  11
  12 $wgUseMasterForMaintenance = true;
  13 require_once( 'Maintenance.php' );
  14
  15 class UpdateMediaWiki extends Maintenance {
  16
  17         public function __construct() {
  18                 parent::__construct();
  19                 $this->mDescription = "MediaWiki database updater";
  20                 $this->addOption( 'skip-compat-checks', 'Skips compatibility checks, mostly for developers' );
  21                 $this->addOption( 'quick', 'Skip 5 second countdown before starting' );
  22                 $this->addOption( 'doshared', 'Also update shared tables' );
  23                 $this->addOption( 'nopurge', 'Do not purge the objectcache table after updates' );
  24         }
  25
  26         public function getDbType() {
  27                 return Maintenance::DB_ADMIN;
  28         }
  29
  30         public function execute() {
  31                 global $wgVersion, $wgTitle, $wgLang;
  32
  33                 $wgLang = Language::factory( 'en' );
  34                 $wgTitle = Title::newFromText( "MediaWiki database updater" );
  35
  36                 $this->output( "MediaWiki {$wgVersion} Updater\n\n" );
  37
  38                 if ( !$this->hasOption( 'skip-compat-checks' ) ) {
  39                         install_version_checks();
  40                 } else {
  41                         $this->output( "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n" );
  42                         wfCountdown( 5 );
  43                 }
  44
  45                 # Attempt to connect to the database as a privileged user
  46                 # This will vomit up an error if there are permissions problems
  47                 $db = wfGetDB( DB_MASTER );
  48
  49                 $this->output( "Going to run database updates for " . wfWikiID() . "\n" );
  50                 $this->output( "Depending on the size of your database this may take a while!\n" );
  51
  52                 if ( !$this->hasOption( 'quick' ) ) {
  53                         $this->output( "Abort with control-c in the next five seconds (skip this countdown with --quick) ... " );
  54                         wfCountDown( 5 );
  55                 }
  56
  57                 $shared = $this->hasOption( 'doshared' );
  58                 $purge = !$this->hasOption( 'nopurge' );
  59
  60                 $updater = DatabaseUpdater::newForDb( $db, $shared );
  61                 $updater->doUpdates( $purge );
  62
  63                 foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
  64                         $this->runChild( $maint )->execute();
  65                 }
  66
  67                 $this->output( "\nDone.\n" );
  68         }
  69
  70         protected function afterFinalSetup() {
  71                 global $wgLocalisationCacheConf;
  72
  73                 # Don't try to access the database
  74                 # This needs to be disabled early since extensions will try to use the l10n
  75                 # cache from $wgExtensionFunctions (bug 20471)
  76                 $wgLocalisationCacheConf = array(
  77                         'class' => 'LocalisationCache',
  78                         'storeClass' => 'LCStore_Null',
  79                         'storeDirectory' => false,
  80                         'manualRecache' => false,
  81                 );
  82         }
  83 }
  84
  85 $maintClass = 'UpdateMediaWiki';
  86 require_once( DO_MAINTENANCE );