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  * It is kept compatible with php 4 parsing so that it can give out a meaningful error.
   7  *
   8  * @file
   9  * @todo document
  10  * @ingroup Maintenance
  11  */
  12
  13 if ( !function_exists( 'version_compare' ) || ( version_compare( phpversion(), '5.1.0' ) < 0 ) ) {
  14         echo "You are using PHP version " . phpversion() . " but MediaWiki needs PHP 5.1.0 or higher. ABORTING.\n" .
  15         "Check if you have a newer php executable with a different name, such as php5.\n";
  16         die( 1 );
  17 }
  18
  19 $wgUseMasterForMaintenance = true;
  20 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  21
  22 class UpdateMediaWiki extends Maintenance {
  23
  24         function __construct() {
  25                 parent::__construct();
  26                 $this->mDescription = "MediaWiki database updater";
  27                 $this->addOption( 'skip-compat-checks', 'Skips compatibility checks, mostly for developers' );
  28                 $this->addOption( 'quick', 'Skip 5 second countdown before starting' );
  29                 $this->addOption( 'doshared', 'Also update shared tables' );
  30                 $this->addOption( 'nopurge', 'Do not purge the objectcache table after updates' );
  31         }
  32
  33         function getDbType() {
  34                 /* If we used the class constant PHP4 would give a parser error here */
  35                 return 2 /* Maintenance::DB_ADMIN */;
  36         }
  37
  38         function execute() {
  39                 global $wgVersion, $wgTitle, $wgLang;
  40
  41                 $wgLang = Language::factory( 'en' );
  42                 $wgTitle = Title::newFromText( "MediaWiki database updater" );
  43
  44                 $this->output( "MediaWiki {$wgVersion} Updater\n\n" );
  45
  46                 if ( !$this->hasOption( 'skip-compat-checks' ) ) {
  47                         install_version_checks();
  48                 } else {
  49                         $this->output( "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n" );
  50                         wfCountdown( 5 );
  51                 }
  52
  53                 # Attempt to connect to the database as a privileged user
  54                 # This will vomit up an error if there are permissions problems
  55                 $db = wfGetDB( DB_MASTER );
  56
  57                 $this->output( "Going to run database updates for " . wfWikiID() . "\n" );
  58                 $this->output( "Depending on the size of your database this may take a while!\n" );
  59
  60                 if ( !$this->hasOption( 'quick' ) ) {
  61                         $this->output( "Abort with control-c in the next five seconds (skip this countdown with --quick) ... " );
  62                         wfCountDown( 5 );
  63                 }
  64
  65                 $shared = $this->hasOption( 'doshared' );
  66                 $purge = !$this->hasOption( 'nopurge' );
  67
  68                 $updater = DatabaseUpdater::newForDb( $db, $shared, $this );
  69                 $updater->doUpdates( $purge );
  70
  71                 foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
  72                         $child = $this->runChild( $maint );
  73                         $child->execute();
  74                 }
  75
  76                 $this->output( "\nDone.\n" );
  77         }
  78
  79         function afterFinalSetup() {
  80                 global $wgLocalisationCacheConf;
  81
  82                 # Don't try to access the database
  83                 # This needs to be disabled early since extensions will try to use the l10n
  84                 # cache from $wgExtensionFunctions (bug 20471)
  85                 $wgLocalisationCacheConf = array(
  86                         'class' => 'LocalisationCache',
  87                         'storeClass' => 'LCStore_Null',
  88                         'storeDirectory' => false,
  89                         'manualRecache' => false,
  90                 );
  91         }
  92 }
  93
  94 $maintClass = 'UpdateMediaWiki';
  95 require_once( DO_MAINTENANCE );