06c1a5976c
Benefit of keeping the parameter optional: - In maintenance scripts that really only have one parameter, it's a little more convenient to be able to ask for *the* parameter via an empty getArg(). Disadvantages: - It's unclear what getArg() means when there is no indication *which* argument the code asks for. This might as well return the last argument, or an array of all arguments. - In scripts with two or more arguments, it's confusing to see getArg( 1 ) next to an empty getArg(). - The methods are more complex and a bit more complicated to use with the extra feature of this parameter being optional. Users need to look up what the default is to be able to use it safely. Change-Id: I22a43bfdfc0f0c9ffdb468c13aba73b888d1f15e
65 lines
2 KiB
PHP
65 lines
2 KiB
PHP
<?php
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/**
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* Get the text of a revision, resolving external storage if needed.
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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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* @file
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* @ingroup Maintenance ExternalStorage
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*/
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Revision\SlotRecord;
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require_once __DIR__ . '/../Maintenance.php';
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/**
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* Maintenance script that gets the text of a revision,
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* resolving external storage if needed.
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*
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* @ingroup Maintenance ExternalStorage
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*/
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class DumpRev extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addArg( 'rev-id', 'Revision ID', true );
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}
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public function execute() {
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$id = (int)$this->getArg( 0 );
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$lookup = MediaWikiServices::getInstance()->getRevisionLookup();
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$rev = $lookup->getRevisionById( $id );
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if ( !$rev ) {
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$this->fatalError( "Row not found" );
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}
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$content = $rev->getContent( SlotRecord::MAIN );
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if ( !$content ) {
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$this->fatalError( "Text not found" );
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}
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$blobStore = MediaWikiServices::getInstance()->getBlobStore();
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$slot = $rev->getSlot( SlotRecord::MAIN );
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$text = $blobStore->getBlob( $slot->getAddress() );
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$this->output( "Text length: " . strlen( $text ) . "\n" );
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$this->output( substr( $text, 0, 100 ) . "\n" );
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}
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}
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$maintClass = DumpRev::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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