Merge "(bug 37755) Set robot meta tags for 'view source' pages"

[lhc/web/wiklou.git] / maintenance / update.php

diff --git a/maintenance/update.php b/maintenance/update.php
index 877f136..ba1d8cd 100644 (file)
--- a/maintenance/update.php
+++ b/maintenance/update.php
@@ -40,7 +40,6 @@ require_once( __DIR__ . '/Maintenance.php' );
  * @ingroup Maintenance
  */
 class UpdateMediaWiki extends Maintenance {
-
        function __construct() {
                parent::__construct();
                $this->mDescription = "MediaWiki database updater";
@@ -48,6 +47,8 @@ class UpdateMediaWiki extends Maintenance {
                $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' );
+               $this->addOption( 'noschema', 'Only do the updates that are not done during schema updates' );
+               $this->addOption( 'schema', 'Output SQL to do the schema updates instead of doing them.  Works even when $wgAllowSchemaUpdates is false', false, true );
                $this->addOption( 'force', 'Override when $wgAllowSchemaUpdates disables this script' );
        }
 
@@ -83,10 +84,24 @@ class UpdateMediaWiki extends Maintenance {
        function execute() {
                global $wgVersion, $wgTitle, $wgLang, $wgAllowSchemaUpdates;
 
-               if( !$wgAllowSchemaUpdates && !$this->hasOption( 'force' ) ) {
+               if( !$wgAllowSchemaUpdates && !( $this->hasOption( 'force' ) || $this->hasOption( 'schema' ) || $this->hasOption( 'noschema' ) ) ) {
                        $this->error( "Do not run update.php on this wiki. If you're seeing this you should\n"
-                               . "probably ask for some help in performing your schema updates.\n\n"
-                               . "If you know what you are doing, you can continue with --force", true );
+                               . "probably ask for some help in performing your schema updates or use\n"
+                               . "the --noschema and --schema options to get an SQL file for someone\n"
+                               . "else to inspect and run.\n\n"
+                               . "If you know what you are doing, you can continue with --force\n", true );
+               }
+
+               $this->fileHandle = null;
+               if( substr( $this->getOption( 'schema' ), 0, 2 ) === "--" ) {
+                       $this->error( "The --schema option requires a file as an argument.\n", true );
+               } else if( $this->hasOption( 'schema' ) ) {
+                       $file = $this->getOption( 'schema' );
+                       $this->fileHandle = fopen( $file, "w" );
+                       if( $this->fileHandle === false ) {
+                               $err = error_get_last();
+                               $this->error( "Problem opening the schema file for writing: $file\n\t{$err['message']}", true );
+                       }
                }
 
                $wgLang = Language::factory( 'en' );
@@ -108,6 +123,9 @@ class UpdateMediaWiki extends Maintenance {
                $db = wfGetDB( DB_MASTER );
 
                $this->output( "Going to run database updates for " . wfWikiID() . "\n" );
+               if( $db->getType() === 'sqlite' ) {
+                       $this->output( "Using SQLite file: '{$db->mDatabaseFile}'\n" );
+               }
                $this->output( "Depending on the size of your database this may take a while!\n" );
 
                if ( !$this->hasOption( 'quick' ) ) {
@@ -117,21 +135,40 @@ class UpdateMediaWiki extends Maintenance {
 
                $shared = $this->hasOption( 'doshared' );
 
-               $updates = array( 'core', 'extensions', 'stats' );
-               if( !$this->hasOption('nopurge') ) {
-                       $updates[] = 'purge';
+               $updates = array( 'core', 'extensions' );
+               if( !$this->hasOption('schema') ) {
+                       if( $this->hasOption('noschema') ) {
+                               $updates[] = 'noschema';
+                       }
+                       $updates[] = 'stats';
+
+                       if( !$this->hasOption('nopurge') ) {
+                               $updates[] = 'purge';
+                       }
                }
 
                $updater = DatabaseUpdater::newForDb( $db, $shared, $this );
                $updater->doUpdates( $updates );
 
                foreach( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
-                       if ( $updater->updateRowExists( $maint ) ) {
+                       $child = $this->runChild( $maint );
+
+                       // LoggedUpdateMaintenance is checking the updatelog itself
+                       $isLoggedUpdate = ( $child instanceof LoggedUpdateMaintenance );
+
+                       if ( !$isLoggedUpdate && $updater->updateRowExists( $maint ) ) {
                                continue;
                        }
+
                        $child = $this->runChild( $maint );
                        $child->execute();
-                       $updater->insertUpdateRow( $maint );
+                       if ( !$isLoggedUpdate ) {
+                               $updater->insertUpdateRow( $maint );
+                       }
+               }
+
+               if( !$this->hasOption('nopurge') ) {
+                       $updater->purgeCache();
                }
 
                $this->output( "\nDone.\n" );