766 lines
22 KiB
PHP
766 lines
22 KiB
PHP
<?php
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// Define this so scripts can easily find doMaintenance.php
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define( 'DO_MAINTENANCE', dirname( __FILE__ ) . '/doMaintenance.php' );
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// Make sure we're on PHP5 or better
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if( version_compare( PHP_VERSION, '5.0.0' ) < 0 ) {
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echo( "Sorry! This version of MediaWiki requires PHP 5; you are running " .
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PHP_VERSION . ".\n\n" .
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"If you are sure you already have PHP 5 installed, it may be installed\n" .
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"in a different path from PHP 4. Check with your system administrator.\n" );
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die();
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}
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/**
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* Abstract maintenance class for quickly writing and churning out
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* maintenance scripts with minimal effort. All that _must_ be defined
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* is the execute() method. See docs/maintenance.txt for more info
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* and a quick demo of how to use it.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @author Chad Horohoe <chad@anyonecanedit.org>
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* @since 1.16
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* @ingroup Maintenance
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*/
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abstract class Maintenance {
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/**
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* Constants for DB access type
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* @see Maintenance::getDbType()
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*/
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const DB_NONE = 0;
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const DB_STD = 1;
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const DB_ADMIN = 2;
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// Const for getStdin()
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const STDIN_ALL = 'all';
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// This is the desired params
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private $mParams = array();
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// Array of desired args
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private $mArgList = array();
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// This is the list of options that were actually passed
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private $mOptions = array();
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// This is the list of arguments that were actually passed
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protected $mArgs = array();
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// Name of the script currently running
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protected $mSelf;
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// Special vars for params that are always used
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private $mQuiet = false;
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private $mDbUser, $mDbPass;
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// A description of the script, children should change this
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protected $mDescription = '';
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// Have we already loaded our user input?
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private $mInputLoaded = false;
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// Batch size. If a script supports this, they should set
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// a default with setBatchSize()
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protected $mBatchSize = null;
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/**
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* List of all the core maintenance scripts. This is added
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* to scripts added by extensions in $wgMaintenanceScripts
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* and returned by getMaintenanceScripts()
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*/
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protected static $mCoreScripts = null;
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/**
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* Default constructor. Children should call this if implementing
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* their own constructors
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*/
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public function __construct() {
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$this->addDefaultParams();
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}
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/**
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* Do the actual work. All child classes will need to implement this
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*/
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abstract public function execute();
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/**
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* Add a parameter to the script. Will be displayed on --help
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* with the associated description
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*
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* @param $name String The name of the param (help, version, etc)
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* @param $description String The description of the param to show on --help
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* @param $required boolean Is the param required?
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* @param $withArg Boolean Is an argument required with this option?
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*/
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protected function addOption( $name, $description, $required = false, $withArg = false ) {
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$this->mParams[$name] = array( 'desc' => $description, 'require' => $required, 'withArg' => $withArg );
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}
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/**
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* Checks to see if a particular param exists.
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* @param $name String The name of the param
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* @return boolean
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*/
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protected function hasOption( $name ) {
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return isset( $this->mOptions[$name] );
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}
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/**
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* Get an option, or return the default
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* @param $name String The name of the param
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* @param $default mixed Anything you want, default null
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* @return mixed
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*/
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protected function getOption( $name, $default = null ) {
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if( $this->hasOption( $name ) ) {
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return $this->mOptions[$name];
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} else {
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// Set it so we don't have to provide the default again
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$this->mOptions[$name] = $default;
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return $this->mOptions[$name];
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}
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}
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/**
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* Add some args that are needed. Used in formatting help
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*/
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protected function addArgs( $args ) {
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$this->mArgList = array_merge( $this->mArgList, $args );
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}
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/**
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* Does a given argument exist?
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* @param $argId int The integer value (from zero) for the arg
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* @return boolean
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*/
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protected function hasArg( $argId = 0 ) {
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return isset( $this->mArgs[$argId] );
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}
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/**
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* Get an argument.
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* @param $argId int The integer value (from zero) for the arg
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* @param $default mixed The default if it doesn't exist
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* @return mixed
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*/
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protected function getArg( $argId = 0, $default = null ) {
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return $this->hasArg( $argId ) ? $this->mArgs[$argId] : $default;
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}
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/**
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* Set the batch size.
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* @param $s int The number of operations to do in a batch
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*/
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protected function setBatchSize( $s = 0 ) {
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$this->mBatchSize = $s;
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}
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/**
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* Get the script's name
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* @return String
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*/
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public function getName() {
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return $this->mSelf;
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}
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/**
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* Return input from stdin.
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* @param $length int The number of bytes to read. If null,
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* just return the handle. Maintenance::STDIN_ALL returns
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* the full length
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* @return mixed
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*/
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protected function getStdin( $len = null ) {
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if ( $len == Maintenance::STDIN_ALL )
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return file_get_contents( 'php://stdin' );
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$f = fopen( 'php://stdin', 'rt' );
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if( !$len )
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return $f;
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$input = fgets( $f, $len );
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fclose( $f );
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return rtrim( $input );
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}
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/**
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* Throw some output to the user. Scripts can call this with no fears,
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* as we handle all --quiet stuff here
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* @param $out String The text to show to the user
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*/
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protected function output( $out ) {
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if( $this->mQuiet ) {
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return;
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}
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$f = fopen( 'php://stdout', 'w' );
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fwrite( $f, $out );
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fclose( $f );
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}
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/**
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* Throw an error to the user. Doesn't respect --quiet, so don't use
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* this for non-error output
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* @param $err String The error to display
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* @param $die boolean If true, go ahead and die out.
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*/
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protected function error( $err, $die = false ) {
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$f = fopen( 'php://stderr', 'w' );
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fwrite( $f, $err . "\n" );
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fclose( $f );
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if( $die ) die();
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}
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/**
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* Does the script need different DB access? By default, we give Maintenance
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* scripts normal rights to the DB. Sometimes, a script needs admin rights
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* access for a reason and sometimes they want no access. Subclasses should
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* override and return one of the following values, as needed:
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* Maintenance::DB_NONE - For no DB access at all
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* Maintenance::DB_STD - For normal DB access, default
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* Maintenance::DB_ADMIN - For admin DB access
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* @return int
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*/
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protected function getDbType() {
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return Maintenance::DB_STD;
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}
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/**
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* Add the default parameters to the scripts
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*/
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private function addDefaultParams() {
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$this->addOption( 'help', "Display this help message" );
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$this->addOption( 'quiet', "Whether to supress non-error output" );
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$this->addOption( 'conf', "Location of LocalSettings.php, if not default", false, true );
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$this->addOption( 'wiki', "For specifying the wiki ID", false, true );
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$this->addOption( 'globals', "Output globals at the end of processing for debugging" );
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// If we support a DB, show the options
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if( $this->getDbType() > 0 ) {
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$this->addOption( 'dbuser', "The DB user to use for this script", false, true );
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$this->addOption( 'dbpass', "The password to use for this script", false, true );
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}
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// If we support $mBatchSize, show the option
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if( $this->mBatchSize ) {
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$this->addOption( 'batch-size', 'Run this many operations ' .
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'per batch, default: ' . $this->mBatchSize , false, true );
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}
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}
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/**
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* Spawn a child maintenance script. Pass all of the current arguments
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* to it.
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* @param $maintClass String A name of a child maintenance class
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* @param $classFile String Full path of where the child is
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* @return Maintenance child
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*/
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protected function spawnChild( $maintClass, $classFile = null ) {
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// If we haven't already specified, kill setup procedures
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// for child scripts, we've already got a sane environment
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self::disableSetup();
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// Make sure the class is loaded first
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if( !class_exists( $maintClass ) ) {
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if( $classFile ) {
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require_once( $classFile );
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}
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if( !class_exists( $maintClass ) ) {
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$this->error( "Cannot spawn child: $maintClass" );
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}
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}
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$child = new $maintClass();
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$child->loadParamsAndArgs( $this->mSelf, $this->mOptions, $this->mArgs );
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return $child;
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}
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/**
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* Disable Setup.php mostly
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*/
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protected static function disableSetup() {
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if( !defined( 'MW_NO_SETUP' ) )
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define( 'MW_NO_SETUP', true );
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}
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/**
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* Do some sanity checking and basic setup
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*/
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public function setup() {
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global $IP, $wgCommandLineMode, $wgUseNormalUser, $wgRequestTime;
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# Abort if called from a web server
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if ( isset( $_SERVER ) && array_key_exists( 'REQUEST_METHOD', $_SERVER ) ) {
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$this->error( "This script must be run from the command line", true );
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}
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# Make sure we can handle script parameters
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if( !ini_get( 'register_argc_argv' ) ) {
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$this->error( "Cannot get command line arguments, register_argc_argv is set to false", true );
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}
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if( version_compare( phpversion(), '5.2.4' ) >= 0 ) {
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// Send PHP warnings and errors to stderr instead of stdout.
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// This aids in diagnosing problems, while keeping messages
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// out of redirected output.
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if( ini_get( 'display_errors' ) ) {
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ini_set( 'display_errors', 'stderr' );
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}
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// Don't touch the setting on earlier versions of PHP,
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// as setting it would disable output if you'd wanted it.
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// Note that exceptions are also sent to stderr when
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// command-line mode is on, regardless of PHP version.
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}
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# Set the memory limit
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ini_set( 'memory_limit', -1 );
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# Set max execution time to 0 (no limit). PHP.net says that
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# "When running PHP from the command line the default setting is 0."
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# But sometimes this doesn't seem to be the case.
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ini_set( 'max_execution_time', 0 );
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$wgRequestTime = microtime( true );
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# Define us as being in MediaWiki
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define( 'MEDIAWIKI', true );
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# Setup $IP, using MW_INSTALL_PATH if it exists
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$IP = strval( getenv( 'MW_INSTALL_PATH' ) ) !== ''
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? getenv( 'MW_INSTALL_PATH' )
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: realpath( dirname( __FILE__ ) . '/..' );
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$wgCommandLineMode = true;
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# Turn off output buffering if it's on
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@ob_end_flush();
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if ( !isset( $wgUseNormalUser ) ) {
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$wgUseNormalUser = false;
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}
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$this->loadParamsAndArgs();
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$this->maybeHelp();
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$this->validateParamsAndArgs();
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}
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/**
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* Clear all params and arguments.
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*/
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public function clearParamsAndArgs() {
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$this->mOptions = array();
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$this->mArgs = array();
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$this->mInputLoaded = false;
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}
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/**
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* Process command line arguments
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* $mOptions becomes an array with keys set to the option names
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* $mArgs becomes a zero-based array containing the non-option arguments
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*
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* @param $self String The name of the script, if any
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* @param $opts Array An array of options, in form of key=>value
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* @param $args Array An array of command line arguments
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*/
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public function loadParamsAndArgs( $self = null, $opts = null, $args = null ) {
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# If we were given opts or args, set those and return early
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if( $self ) {
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$this->mSelf = $self;
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$this->mInputLoaded = true;
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}
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if( $opts ) {
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$this->mOptions = $opts;
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$this->mInputLoaded = true;
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}
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if( $args ) {
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$this->mArgs = $args;
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$this->mInputLoaded = true;
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}
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# If we've already loaded input (either by user values or from $argv)
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# skip on loading it again. The array_shift() will corrupt values if
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# it's run again and again
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if( $this->mInputLoaded ) {
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$this->loadSpecialVars();
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return;
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}
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global $argv;
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$this->mSelf = array_shift( $argv );
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$options = array();
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$args = array();
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# Parse arguments
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for( $arg = reset( $argv ); $arg !== false; $arg = next( $argv ) ) {
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if ( $arg == '--' ) {
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# End of options, remainder should be considered arguments
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$arg = next( $argv );
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while( $arg !== false ) {
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$args[] = $arg;
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$arg = next( $argv );
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}
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break;
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} elseif ( substr( $arg, 0, 2 ) == '--' ) {
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# Long options
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$option = substr( $arg, 2 );
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if ( isset( $this->mParams[$option] ) && $this->mParams[$option]['withArg'] ) {
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$param = next( $argv );
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if ( $param === false ) {
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$this->error( "\nERROR: $option needs a value after it\n" );
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$this->maybeHelp( true );
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}
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$options[$option] = $param;
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} else {
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$bits = explode( '=', $option, 2 );
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if( count( $bits ) > 1 ) {
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$option = $bits[0];
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$param = $bits[1];
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} else {
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$param = 1;
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}
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$options[$option] = $param;
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}
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} elseif ( substr( $arg, 0, 1 ) == '-' ) {
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# Short options
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for ( $p=1; $p<strlen( $arg ); $p++ ) {
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$option = $arg{$p};
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if ( $this->mParams[$option]['withArg'] ) {
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$param = next( $argv );
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if ( $param === false ) {
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$this->error( "\nERROR: $option needs a value after it\n" );
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$this->maybeHelp( true );
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}
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$options[$option] = $param;
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} else {
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$options[$option] = 1;
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}
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}
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} else {
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$args[] = $arg;
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}
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}
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$this->mOptions = $options;
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$this->mArgs = $args;
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$this->loadSpecialVars();
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$this->mInputLoaded = true;
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}
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|
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/**
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* Run some validation checks on the params, etc
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*/
|
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private function validateParamsAndArgs() {
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# Check to make sure we've got all the required ones
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foreach( $this->mParams as $opt => $info ) {
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if( $info['require'] && !$this->hasOption( $opt ) ) {
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$this->error( "Param $opt required.", true );
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}
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}
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# Also make sure we've got enough arguments
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if ( count( $this->mArgs ) < count( $this->mArgList ) ) {
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$this->error( "Not enough arguments passed", true );
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}
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}
|
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|
|
/**
|
|
* Handle the special variables that are global to all scripts
|
|
*/
|
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private function loadSpecialVars() {
|
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if( $this->hasOption( 'dbuser' ) )
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$this->mDbUser = $this->getOption( 'dbuser' );
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if( $this->hasOption( 'dbpass' ) )
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$this->mDbPass = $this->getOption( 'dbpass' );
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if( $this->hasOption( 'quiet' ) )
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$this->mQuiet = true;
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if( $this->hasOption( 'batch-size' ) )
|
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$this->mBatchSize = $this->getOption( 'batch-size' );
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}
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|
|
/**
|
|
* Maybe show the help.
|
|
* @param $force boolean Whether to force the help to show, default false
|
|
*/
|
|
private function maybeHelp( $force = false ) {
|
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ksort( $this->mParams );
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if( $this->hasOption( 'help' ) || in_array( 'help', $this->mArgs ) || $force ) {
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$this->mQuiet = false;
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if( $this->mDescription ) {
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$this->output( "\n" . $this->mDescription . "\n" );
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}
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$this->output( "\nUsage: php " . $this->mSelf );
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if( $this->mParams ) {
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$this->output( " [--" . implode( array_keys( $this->mParams ), "|--" ) . "]" );
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}
|
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if( $this->mArgList ) {
|
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$this->output( " <" . implode( $this->mArgList, "> <" ) . ">" );
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}
|
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$this->output( "\n" );
|
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foreach( $this->mParams as $par => $info ) {
|
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$this->output( "\t$par : " . $info['desc'] . "\n" );
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}
|
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die( 1 );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle some last-minute setup here.
|
|
*/
|
|
public function finalSetup() {
|
|
global $wgCommandLineMode, $wgUseNormalUser, $wgShowSQLErrors;
|
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global $wgTitle, $wgProfiling, $IP, $wgDBadminuser, $wgDBadminpassword;
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global $wgDBuser, $wgDBpassword, $wgDBservers, $wgLBFactoryConf;
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# Turn off output buffering again, it might have been turned on in the settings files
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if( ob_get_level() ) {
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ob_end_flush();
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}
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# Same with these
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$wgCommandLineMode = true;
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# If these were passed, use them
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if( $this->mDbUser )
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$wgDBadminuser = $this->mDbUser;
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if( $this->mDbPass )
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$wgDBadminpassword = $this->mDbPass;
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if ( empty( $wgUseNormalUser ) && isset( $wgDBadminuser ) ) {
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$wgDBuser = $wgDBadminuser;
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$wgDBpassword = $wgDBadminpassword;
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if( $wgDBservers ) {
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foreach ( $wgDBservers as $i => $server ) {
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$wgDBservers[$i]['user'] = $wgDBuser;
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$wgDBservers[$i]['password'] = $wgDBpassword;
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}
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}
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if( isset( $wgLBFactoryConf['serverTemplate'] ) ) {
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$wgLBFactoryConf['serverTemplate']['user'] = $wgDBuser;
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$wgLBFactoryConf['serverTemplate']['password'] = $wgDBpassword;
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}
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}
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if ( defined( 'MW_CMDLINE_CALLBACK' ) ) {
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$fn = MW_CMDLINE_CALLBACK;
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$fn();
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}
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$wgShowSQLErrors = true;
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@set_time_limit( 0 );
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$wgProfiling = false; // only for Profiler.php mode; avoids OOM errors
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}
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/**
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* Potentially debug globals. Originally a feature only
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* for refreshLinks
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*/
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public function globals() {
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if( $this->hasOption( 'globals' ) ) {
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print_r( $GLOBALS );
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}
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}
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/**
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* Do setup specific to WMF
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*/
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public function loadWikimediaSettings() {
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global $IP, $wgNoDBParam, $wgUseNormalUser, $wgConf, $site, $lang;
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if ( empty( $wgNoDBParam ) ) {
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# Check if we were passed a db name
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if ( isset( $this->mOptions['wiki'] ) ) {
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$db = $this->mOptions['wiki'];
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} else {
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$db = array_shift( $this->mArgs );
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}
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list( $site, $lang ) = $wgConf->siteFromDB( $db );
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# If not, work out the language and site the old way
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if ( is_null( $site ) || is_null( $lang ) ) {
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if ( !$db ) {
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$lang = 'aa';
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} else {
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$lang = $db;
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}
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if ( isset( $this->mArgs[0] ) ) {
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$site = array_shift( $this->mArgs );
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} else {
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$site = 'wikipedia';
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}
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}
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} else {
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$lang = 'aa';
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$site = 'wikipedia';
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}
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# This is for the IRC scripts, which now run as the apache user
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# The apache user doesn't have access to the wikiadmin_pass command
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if ( $_ENV['USER'] == 'apache' ) {
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#if ( posix_geteuid() == 48 ) {
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$wgUseNormalUser = true;
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}
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putenv( 'wikilang=' . $lang );
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$DP = $IP;
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ini_set( 'include_path', ".:$IP:$IP/includes:$IP/languages:$IP/maintenance" );
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if ( $lang == 'test' && $site == 'wikipedia' ) {
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define( 'TESTWIKI', 1 );
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}
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}
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/**
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* Generic setup for most installs. Returns the location of LocalSettings
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* @return String
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*/
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public function loadSettings() {
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global $wgWikiFarm, $wgCommandLineMode, $IP, $DP;
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$wgWikiFarm = false;
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if ( isset( $this->mOptions['conf'] ) ) {
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$settingsFile = $this->mOptions['conf'];
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} else {
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$settingsFile = "$IP/LocalSettings.php";
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}
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if ( isset( $this->mOptions['wiki'] ) ) {
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$bits = explode( '-', $this->mOptions['wiki'] );
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if ( count( $bits ) == 1 ) {
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$bits[] = '';
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}
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define( 'MW_DB', $bits[0] );
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define( 'MW_PREFIX', $bits[1] );
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}
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if ( !is_readable( $settingsFile ) ) {
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$this->error( "A copy of your installation's LocalSettings.php\n" .
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"must exist and be readable in the source directory.", true );
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}
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$wgCommandLineMode = true;
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$DP = $IP;
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return $settingsFile;
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}
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/**
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* Support function for cleaning up redundant text records
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* @param $delete boolean Whether or not to actually delete the records
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* @author Rob Church <robchur@gmail.com>
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*/
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protected function purgeRedundantText( $delete = true ) {
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# Data should come off the master, wrapped in a transaction
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$dbw = wfGetDB( DB_MASTER );
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$dbw->begin();
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$tbl_arc = $dbw->tableName( 'archive' );
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$tbl_rev = $dbw->tableName( 'revision' );
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$tbl_txt = $dbw->tableName( 'text' );
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# Get "active" text records from the revisions table
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$this->output( "Searching for active text records in revisions table..." );
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$res = $dbw->query( "SELECT DISTINCT rev_text_id FROM $tbl_rev" );
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while( $row = $dbw->fetchObject( $res ) ) {
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$cur[] = $row->rev_text_id;
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}
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$this->output( "done.\n" );
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# Get "active" text records from the archive table
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$this->output( "Searching for active text records in archive table..." );
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$res = $dbw->query( "SELECT DISTINCT ar_text_id FROM $tbl_arc" );
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while( $row = $dbw->fetchObject( $res ) ) {
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$cur[] = $row->ar_text_id;
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}
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$this->output( "done.\n" );
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# Get the IDs of all text records not in these sets
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$this->output( "Searching for inactive text records..." );
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$set = implode( ', ', $cur );
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$res = $dbw->query( "SELECT old_id FROM $tbl_txt WHERE old_id NOT IN ( $set )" );
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$old = array();
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while( $row = $dbw->fetchObject( $res ) ) {
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$old[] = $row->old_id;
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}
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$this->output( "done.\n" );
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# Inform the user of what we're going to do
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$count = count( $old );
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$this->output( "$count inactive items found.\n" );
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# Delete as appropriate
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if( $delete && $count ) {
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$this->output( "Deleting..." );
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$set = implode( ', ', $old );
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$dbw->query( "DELETE FROM $tbl_txt WHERE old_id IN ( $set )" );
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$this->output( "done.\n" );
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}
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# Done
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$dbw->commit();
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}
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/**
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* Get the maintenance directory.
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*/
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protected function getDir() {
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return dirname( __FILE__ );
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}
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/**
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* Get the list of available maintenance scripts. Note
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* that if you call this _before_ calling doMaintenance
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* you won't have any extensions in it yet
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* @return array
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*/
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public static function getMaintenanceScripts() {
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global $wgMaintenanceScripts;
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return $wgMaintenanceScripts + self::getCoreScripts();
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}
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/**
|
|
* Return all of the core maintenance scripts
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|
* @return array
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*/
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|
private static function getCoreScripts() {
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if( !self::$mCoreScripts ) {
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self::disableSetup();
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$paths = array(
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dirname( __FILE__ ),
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dirname( __FILE__ ) . '/gearman',
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dirname( __FILE__ ) . '/language',
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dirname( __FILE__ ) . '/storage',
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);
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self::$mCoreScripts = array();
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foreach( $paths as $p ) {
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$handle = opendir( $p );
|
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while( ( $file = readdir( $handle ) ) !== false ) {
|
|
if( $file == 'Maintenance.php' )
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continue;
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|
$file = $p . '/' . $file;
|
|
if( is_dir( $file ) || !strpos( $file, '.php' ) ||
|
|
( strpos( file_get_contents( $file ), '$maintClass' ) === false ) ) {
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continue;
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}
|
|
require( $file );
|
|
$vars = get_defined_vars();
|
|
if( array_key_exists( 'maintClass', $vars ) ) {
|
|
self::$mCoreScripts[$vars['maintClass']] = $file;
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}
|
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}
|
|
closedir( $handle );
|
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}
|
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}
|
|
return self::$mCoreScripts;
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}
|
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}
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