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.
10 * @ingroup Maintenance
13 if ( !function_exists( 'version_compare' ) || ( version_compare( phpversion(), '5.2.3' ) < 0 ) ) {
14 echo "You are using PHP version " . phpversion() . " but MediaWiki needs PHP 5.2.3 or higher. ABORTING.\n" .
15 "Check if you have a newer php executable with a different name, such as php5.\n";
19 $wgUseMasterForMaintenance = true;
20 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
22 class UpdateMediaWiki extends Maintenance {
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' );
33 function getDbType() {
34 /* If we used the class constant PHP4 would give a parser error here */
35 return 2 /* Maintenance::DB_ADMIN */;
38 function compatChecks() {
39 $test = new PhpXmlBugTester();
42 "Your system has a combination of PHP and libxml2 versions which is buggy\n" .
43 "and can cause hidden data corruption in MediaWiki and other web apps.\n" .
44 "Upgrade to PHP 5.2.9 or later and libxml2 2.7.3 or later!\n" .
45 "ABORTING (see http://bugs.php.net/bug.php?id=45996).\n",
49 $test = new PhpRefCallBugTester;
54 "PHP $ver is not compatible with MediaWiki due to a bug involving\n" .
55 "reference parameters to __call. Upgrade to PHP 5.3.2 or higher, or \n" .
56 "downgrade to PHP 5.3.0 to fix this.\n" .
57 "ABORTING (see http://bugs.php.net/bug.php?id=50394 for details)\n",
63 global $wgVersion, $wgTitle, $wgLang;
65 $wgLang = Language::factory( 'en' );
66 $wgTitle = Title::newFromText( "MediaWiki database updater" );
68 $this->output( "MediaWiki {$wgVersion} Updater\n\n" );
70 if ( !$this->hasOption( 'skip-compat-checks' ) ) {
71 $this->compatChecks();
73 $this->output( "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n" );
77 # Attempt to connect to the database as a privileged user
78 # This will vomit up an error if there are permissions problems
79 $db = wfGetDB( DB_MASTER );
81 $this->output( "Going to run database updates for " . wfWikiID() . "\n" );
82 $this->output( "Depending on the size of your database this may take a while!\n" );
84 if ( !$this->hasOption( 'quick' ) ) {
85 $this->output( "Abort with control-c in the next five seconds (skip this countdown with --quick) ... " );
89 $shared = $this->hasOption( 'doshared' );
91 $updates = array('core','extensions');
92 if( !$this->hasOption('nopurge') ) {
96 $updater = DatabaseUpdater::newForDb( $db, $shared, $this );
97 $updater->doUpdates( $updates );
99 foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
100 $child = $this->runChild( $maint );
104 $this->output( "\nDone.\n" );
107 function afterFinalSetup() {
108 global $wgLocalisationCacheConf;
110 # Don't try to access the database
111 # This needs to be disabled early since extensions will try to use the l10n
112 # cache from $wgExtensionFunctions (bug 20471)
113 $wgLocalisationCacheConf = array(
114 'class' => 'LocalisationCache',
115 'storeClass' => 'LCStore_Null',
116 'storeDirectory' => false,
117 'manualRecache' => false,
122 $maintClass = 'UpdateMediaWiki';
123 require_once( RUN_MAINTENANCE_IF_MAIN );