X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=maintenance%2Fupdate.php;h=ede6ebe4aa2b15d0eb466c13403ec98c814a6938;hb=cee8036e61710a10580fcb023793c0e3bb2a7240;hp=8643aa79271011eef406fda98ca9f0c0a1101026;hpb=fd7eab173160dc7b71c47d1451b431ce49f525c5;p=lhc%2Fweb%2Fwiklou.git

diff --git a/maintenance/update.php b/maintenance/update.php
index 8643aa7927..ede6ebe4aa 100644
--- a/maintenance/update.php
+++ b/maintenance/update.php
@@ -1,71 +1,138 @@
 <?php
-require_once 'counter.php';
 /**
  * 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.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  * @todo document
- * @package MediaWiki
- * @subpackage Maintenance
+ * @ingroup Maintenance
  */
 
-/** */
-$wgUseMasterForMaintenance = true;
-$options = array( 'quick' );
-require_once( "commandLine.inc" );
-require_once( "updaters.inc" );
-$wgTitle = Title::newFromText( "MediaWiki database updater" );
-$dbclass = 'Database' . ucfirst( $wgDBtype ) ;
-require_once("$dbclass.php");
-$dbc = new $dbclass;
-
-echo( "MediaWiki {$wgVersion} Updater\n\n" );
-
-# Do a pre-emptive check to ensure we've got credentials supplied
-# We can't, at this stage, check them, but we can detect their absence,
-# which seems to cause most of the problems people whinge about
-if( !isset( $wgDBadminuser ) || !isset( $wgDBadminpassword ) ) {
-	echo( "No superuser credentials could be found. Please provide the details\n" );
-	echo( "of a user with appropriate permissions to update the database. See\n" );
-	echo( "AdminSettings.sample for more details.\n\n" );
-	exit();
+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 );
 }
 
-# Attempt to connect to the database as a privileged user
-# This will vomit up an error if there are permissions problems
-$wgDatabase = $dbc->newFromParams( $wgDBserver, $wgDBadminuser, $wgDBadminpassword, $wgDBname, 1 );
-
-if( !$wgDatabase->isOpen() ) {
-	# Appears to have failed
-	echo( "A connection to the database could not be established. Check the\n" );
-	# Let's be a bit clever and guess at what's wrong
-	if( isset( $wgDBadminuser ) && isset( $wgDBadminpassword ) ) {
-		# Tell the user the value(s) are wrong
-		echo( 'values of $wgDBadminuser and $wgDBadminpassword.' . "\n" );
+$wgUseMasterForMaintenance = true;
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+
+class UpdateMediaWiki extends Maintenance {
+
+	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' );
 	}
-	exit();
-}
 
-print "Going to run database updates for $wgDBname\n";
-print "Depending on the size of your database this may take a while!\n";
+	function getDbType() {
+		/* If we used the class constant PHP4 would give a parser error here */
+		return 2 /* Maintenance::DB_ADMIN */;
+	}
 
-if( !isset( $options['quick'] ) ) {
-	print "Abort with control-c in the next five seconds... ";
+	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 );
+		}
 
-	for ($i = 6; $i >= 1;) {
-		print_c($i, --$i);
-		sleep(1);
+		$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 );
+		}
 	}
-	echo "\n";
-}
 
-if ( isset( $options['doshared'] ) ) {
-	$doShared = true;
-} else {
-	$doShared = false;
-}
+	function execute() {
+		global $wgVersion, $wgTitle, $wgLang;
+
+		$wgLang = Language::factory( 'en' );
+		$wgTitle = Title::newFromText( "MediaWiki database updater" );
 
-do_all_updates( $doShared );
+		$this->output( "MediaWiki {$wgVersion} Updater\n\n" );
 
-print "Done.\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 );
+		}
+
+		# 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 );
+
+		$this->output( "Going to run database updates for " . wfWikiID() . "\n" );
+		$this->output( "Depending on the size of your database this may take a while!\n" );
+
+		if ( !$this->hasOption( 'quick' ) ) {
+			$this->output( "Abort with control-c in the next five seconds (skip this countdown with --quick) ... " );
+			wfCountDown( 5 );
+		}
+
+		$shared = $this->hasOption( 'doshared' );
+
+		$updates = array('core','extensions');
+		if( !$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 );