249 lines
8.0 KiB
PHP
249 lines
8.0 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Rebuild the localisation cache. Useful if you disabled automatic updates
|
|
* using $wgLocalisationCacheConf['manualRecache'] = true;
|
|
*
|
|
* Usage:
|
|
* php rebuildLocalisationCache.php [--force] [--threads=N]
|
|
*
|
|
* Use --force to rebuild all files, even the ones that are not out of date.
|
|
* Use --threads=N to fork more threads.
|
|
*
|
|
* 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
|
|
* @ingroup Maintenance
|
|
*/
|
|
|
|
use MediaWiki\Config\ServiceOptions;
|
|
use MediaWiki\Logger\LoggerFactory;
|
|
use MediaWiki\MediaWikiServices;
|
|
|
|
require_once __DIR__ . '/Maintenance.php';
|
|
|
|
/**
|
|
* Maintenance script to rebuild the localisation cache.
|
|
*
|
|
* @ingroup Maintenance
|
|
*/
|
|
class RebuildLocalisationCache extends Maintenance {
|
|
public function __construct() {
|
|
parent::__construct();
|
|
$this->addDescription( 'Rebuild the localisation cache' );
|
|
$this->addOption( 'force', 'Rebuild all files, even ones not out of date' );
|
|
$this->addOption( 'threads', 'Fork more than one thread', false, true );
|
|
$this->addOption( 'outdir', 'Override the output directory (normally $wgCacheDirectory)',
|
|
false, true );
|
|
$this->addOption( 'lang', 'Only rebuild these languages, comma separated.',
|
|
false, true );
|
|
$this->addOption(
|
|
'store-class',
|
|
'Override the LC store class (normally $wgLocalisationCacheConf[\'storeClass\'])',
|
|
false,
|
|
true
|
|
);
|
|
$this->addOption(
|
|
'no-database',
|
|
'EXPERIMENTAL: Disable the database backend. Setting this option will result in an error ' .
|
|
'if you have extensions or use site configuration that need the database. This is an ' .
|
|
'experimental feature to allow offline building of the localisation cache. Known limitations:' .
|
|
"\n" .
|
|
'* Incompatible with LCStoreDB, which always requires a database. ' . "\n" .
|
|
'* The message purge may require a database. See --skip-message-purge.'
|
|
);
|
|
// T237148: The Gadget extension (bundled with MediaWiki by default) requires a database`
|
|
// connection to register its modules for MessageBlobStore.
|
|
$this->addOption(
|
|
'skip-message-purge',
|
|
'Skip purging of MessageBlobStore. The purge operation may require a database, depending ' .
|
|
'on the configuration and extensions on this wiki. If skipping the purge now, you need to ' .
|
|
'run purgeMessageBlobStore.php shortly after deployment.'
|
|
);
|
|
}
|
|
|
|
public function finalSetup() {
|
|
# This script needs to be run to build the initial l10n cache. But if
|
|
# $wgLanguageCode is not 'en', it won't be able to run because there is
|
|
# no l10n cache. Break the cycle by forcing $wgLanguageCode = 'en'.
|
|
global $wgLanguageCode;
|
|
$wgLanguageCode = 'en';
|
|
parent::finalSetup();
|
|
}
|
|
|
|
public function execute() {
|
|
global $wgLocalisationCacheConf, $wgCacheDirectory;
|
|
|
|
$force = $this->hasOption( 'force' );
|
|
$threads = $this->getOption( 'threads', 1 );
|
|
if ( $threads < 1 || $threads != intval( $threads ) ) {
|
|
$this->output( "Invalid thread count specified; running single-threaded.\n" );
|
|
$threads = 1;
|
|
}
|
|
if ( $threads > 1 && wfIsWindows() ) {
|
|
$this->output( "Threaded rebuild is not supported on Windows; running single-threaded.\n" );
|
|
$threads = 1;
|
|
}
|
|
if ( $threads > 1 && !function_exists( 'pcntl_fork' ) ) {
|
|
$this->output( "PHP pcntl extension is not present; running single-threaded.\n" );
|
|
$threads = 1;
|
|
}
|
|
|
|
$conf = $wgLocalisationCacheConf;
|
|
// Allow fallbacks to create CDB files
|
|
$conf['manualRecache'] = false;
|
|
$conf['forceRecache'] = $force || !empty( $conf['forceRecache'] );
|
|
if ( $this->hasOption( 'outdir' ) ) {
|
|
$conf['storeDirectory'] = $this->getOption( 'outdir' );
|
|
}
|
|
|
|
if ( $this->hasOption( 'store-class' ) ) {
|
|
$conf['storeClass'] = $this->getOption( 'store-class' );
|
|
}
|
|
|
|
// XXX Copy-pasted from ServiceWiring.php. Do we need a factory for this one caller?
|
|
$services = MediaWikiServices::getInstance();
|
|
$lc = new LocalisationCacheBulkLoad(
|
|
new ServiceOptions(
|
|
LocalisationCache::CONSTRUCTOR_OPTIONS,
|
|
$conf,
|
|
$services->getMainConfig()
|
|
),
|
|
LocalisationCache::getStoreFromConf( $conf, $wgCacheDirectory ),
|
|
LoggerFactory::getInstance( 'localisation' ),
|
|
$this->hasOption( 'skip-message-purge' ) ? [] :
|
|
[ static function () use ( $services ) {
|
|
MessageBlobStore::clearGlobalCacheEntry( $services->getMainWANObjectCache() );
|
|
} ],
|
|
$services->getLanguageNameUtils(),
|
|
$services->getHookContainer()
|
|
);
|
|
|
|
$allCodes = array_keys( $services
|
|
->getLanguageNameUtils()
|
|
->getLanguageNames( null, 'mwfile' ) );
|
|
if ( $this->hasOption( 'lang' ) ) {
|
|
# Validate requested languages
|
|
$codes = array_intersect( $allCodes,
|
|
explode( ',', $this->getOption( 'lang' ) ) );
|
|
# Bailed out if nothing is left
|
|
if ( count( $codes ) == 0 ) {
|
|
$this->fatalError( 'None of the languages specified exists.' );
|
|
}
|
|
} else {
|
|
# By default get all languages
|
|
$codes = $allCodes;
|
|
}
|
|
sort( $codes );
|
|
|
|
// Initialise and split into chunks
|
|
$numRebuilt = 0;
|
|
$total = count( $codes );
|
|
$chunks = array_chunk( $codes, ceil( count( $codes ) / $threads ) );
|
|
$pids = [];
|
|
$parentStatus = 0;
|
|
foreach ( $chunks as $codes ) {
|
|
// Do not fork for only one thread
|
|
$pid = ( $threads > 1 ) ? pcntl_fork() : -1;
|
|
|
|
if ( $pid === 0 ) {
|
|
// Child, reseed because there is no bug in PHP:
|
|
// https://bugs.php.net/bug.php?id=42465
|
|
mt_srand( getmypid() );
|
|
|
|
$this->doRebuild( $codes, $lc, $force );
|
|
return;
|
|
} elseif ( $pid === -1 ) {
|
|
// Fork failed or one thread, do it serialized
|
|
$numRebuilt += $this->doRebuild( $codes, $lc, $force );
|
|
} else {
|
|
// Main thread
|
|
$pids[] = $pid;
|
|
}
|
|
}
|
|
// Wait for all children
|
|
foreach ( $pids as $pid ) {
|
|
$status = 0;
|
|
pcntl_waitpid( $pid, $status );
|
|
|
|
if ( pcntl_wifexited( $status ) ) {
|
|
$code = pcntl_wexitstatus( $status );
|
|
if ( $code ) {
|
|
$this->output( "Pid $pid exited with status $code !!\n" );
|
|
}
|
|
// Mush all child statuses into a single value in the parent.
|
|
$parentStatus |= $code;
|
|
} elseif ( pcntl_wifsignaled( $status ) ) {
|
|
$signum = pcntl_wtermsig( $status );
|
|
$this->output( "Pid $pid terminated by signal $signum !!\n" );
|
|
$parentStatus |= 1;
|
|
}
|
|
}
|
|
|
|
if ( !$pids ) {
|
|
$this->output( "$numRebuilt languages rebuilt out of $total\n" );
|
|
if ( $numRebuilt === 0 ) {
|
|
$this->output( "Use --force to rebuild the caches which are still fresh.\n" );
|
|
}
|
|
}
|
|
if ( $parentStatus ) {
|
|
$this->fatalError( 'Failed.', $parentStatus );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper function to rebuild list of languages codes. Prints the code
|
|
* for each language which is rebuilt.
|
|
* @param string[] $codes List of language codes to rebuild.
|
|
* @param LocalisationCache $lc
|
|
* @param bool $force Rebuild up-to-date languages
|
|
* @return int Number of rebuilt languages
|
|
*/
|
|
private function doRebuild( $codes, $lc, $force ) {
|
|
$numRebuilt = 0;
|
|
foreach ( $codes as $code ) {
|
|
if ( $force || $lc->isExpired( $code ) ) {
|
|
$this->output( "Rebuilding $code...\n" );
|
|
$lc->recache( $code );
|
|
$numRebuilt++;
|
|
}
|
|
}
|
|
|
|
return $numRebuilt;
|
|
}
|
|
|
|
/** @inheritDoc */
|
|
public function getDbType() {
|
|
if ( $this->hasOption( 'no-database' ) ) {
|
|
return Maintenance::DB_NONE;
|
|
}
|
|
|
|
return parent::getDbType();
|
|
}
|
|
|
|
/**
|
|
* Sets whether a run of this maintenance script has the force parameter set
|
|
*
|
|
* @param bool $forced
|
|
*/
|
|
public function setForce( $forced = true ) {
|
|
$this->mOptions['force'] = $forced;
|
|
}
|
|
}
|
|
|
|
$maintClass = RebuildLocalisationCache::class;
|
|
require_once RUN_MAINTENANCE_IF_MAIN;
|