From 9db190c7e736ec8d063187d4241b59feaf7dc2d1 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Wed, 22 Jun 2011 11:28:20 +0200
Subject: update to MediaWiki 1.17.0

---
 maintenance/update.php | 135 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 99 insertions(+), 36 deletions(-)

(limited to 'maintenance/update.php')

diff --git a/maintenance/update.php b/maintenance/update.php
index 5977a4c1..e3941a3c 100644
--- a/maintenance/update.php
+++ b/maintenance/update.php
@@ -3,58 +3,121 @@
  * Run all updaters.
  *
  * This is used when the database schema is modified and we need to apply patches.
+ * It is kept compatible with php 4 parsing so that it can give out a meaningful error.
  *
  * @file
  * @todo document
  * @ingroup Maintenance
  */
 
-/** */
-define( 'MW_CMDLINE_CALLBACK', 'wfSetupUpdateScript' );
+if ( !function_exists( 'version_compare' ) || ( version_compare( phpversion(), '5.2.3' ) < 0 ) ) {
+	echo "You are using PHP version " . phpversion() . " but MediaWiki needs PHP 5.2.3 or higher. ABORTING.\n" .
+	"Check if you have a newer php executable with a different name, such as php5.\n";
+	die( 1 );
+}
+
 $wgUseMasterForMaintenance = true;
-require_once( dirname(__FILE__) . '/commandLine.inc' );
-require( "updaters.inc" );
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
 
-$wgTitle = Title::newFromText( "MediaWiki database updater" );
+class UpdateMediaWiki extends Maintenance {
 
-echo( "MediaWiki {$wgVersion} Updater\n\n" );
+	function __construct() {
+		parent::__construct();
+		$this->mDescription = "MediaWiki database updater";
+		$this->addOption( 'skip-compat-checks', 'Skips compatibility checks, mostly for developers' );
+		$this->addOption( 'quick', 'Skip 5 second countdown before starting' );
+		$this->addOption( 'doshared', 'Also update shared tables' );
+		$this->addOption( 'nopurge', 'Do not purge the objectcache table after updates' );
+	}
 
-if( !isset( $options['skip-compat-checks'] ) ) {
-	install_version_checks();
-} else {
-	print "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n";
-	wfCountdown(5);
-}
+	function getDbType() {
+		/* If we used the class constant PHP4 would give a parser error here */
+		return 2 /* Maintenance::DB_ADMIN */;
+	}
 
-# Attempt to connect to the database as a privileged user
-# This will vomit up an error if there are permissions problems
-$wgDatabase = wfGetDB( DB_MASTER );
+	function compatChecks() {
+		$test = new PhpXmlBugTester();
+		if ( !$test->ok ) {
+			$this->error(
+				"Your system has a combination of PHP and libxml2 versions which is buggy\n" .
+				"and can cause hidden data corruption in MediaWiki and other web apps.\n" .
+				"Upgrade to PHP 5.2.9 or later and libxml2 2.7.3 or later!\n" .
+				"ABORTING (see http://bugs.php.net/bug.php?id=45996).\n",
+				true );
+		}
 
-print "Going to run database updates for ".wfWikiID()."\n";
-print "Depending on the size of your database this may take a while!\n";
+		$test = new PhpRefCallBugTester;
+		$test->execute();
+		if ( !$test->ok ) {
+			$ver = phpversion();
+			$this->error(
+				"PHP $ver is not compatible with MediaWiki due to a bug involving\n" .
+				"reference parameters to __call. Upgrade to PHP 5.3.2 or higher, or \n" .
+				"downgrade to PHP 5.3.0 to fix this.\n" .
+				"ABORTING (see http://bugs.php.net/bug.php?id=50394 for details)\n",
+				true );
+		}
+	}
 
-if( !isset( $options['quick'] ) ) {
-	print "Abort with control-c in the next five seconds (skip this countdown with --quick) ... ";
-	wfCountDown( 5 );
-}
+	function execute() {
+		global $wgVersion, $wgTitle, $wgLang;
+
+		$wgLang = Language::factory( 'en' );
+		$wgTitle = Title::newFromText( "MediaWiki database updater" );
+
+		$this->output( "MediaWiki {$wgVersion} Updater\n\n" );
+
+		if ( !$this->hasOption( 'skip-compat-checks' ) ) {
+			$this->compatChecks();
+		} else {
+			$this->output( "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n" );
+			wfCountdown( 5 );
+		}
 
-$shared = isset( $options['doshared'] );
-$purge = !isset( $options['nopurge'] );
+		# Attempt to connect to the database as a privileged user
+		# This will vomit up an error if there are permissions problems
+		$db = wfGetDB( DB_MASTER );
 
-do_all_updates( $shared, $purge );
+		$this->output( "Going to run database updates for " . wfWikiID() . "\n" );
+		$this->output( "Depending on the size of your database this may take a while!\n" );
 
-print "Done.\n";
+		if ( !$this->hasOption( 'quick' ) ) {
+			$this->output( "Abort with control-c in the next five seconds (skip this countdown with --quick) ... " );
+			wfCountDown( 5 );
+		}
 
-function wfSetupUpdateScript() {
-	global $wgLocalisationCacheConf;
+		$shared = $this->hasOption( 'doshared' );
 
-	# Don't try to access the database
-	# This needs to be disabled early since extensions will try to use the l10n 
-	# cache from $wgExtensionSetupFunctions (bug 20471)
-	$wgLocalisationCacheConf = array(
-		'class' => 'LocalisationCache',	
-		'storeClass' => 'LCStore_Null',
-		'storeDirectory' => false,
-		'manualRecache' => false,
-	);
+		$updates = array('core','extensions');
+		if( !$this->hasOption('nopurge') ) {
+			$updates[] = 'purge';
+		}
+
+		$updater = DatabaseUpdater::newForDb( $db, $shared, $this );
+		$updater->doUpdates( $updates );
+
+		foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
+			$child = $this->runChild( $maint );
+			$child->execute();
+		}
+
+		$this->output( "\nDone.\n" );
+	}
+
+	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 (bug 20471)
+		$wgLocalisationCacheConf = array(
+			'class' => 'LocalisationCache',
+			'storeClass' => 'LCStore_Null',
+			'storeDirectory' => false,
+			'manualRecache' => false,
+		);
+	}
 }
+
+$maintClass = 'UpdateMediaWiki';
+require_once( RUN_MAINTENANCE_IF_MAIN );
-- 
cgit v1.2.2