fb2c1c645b
This allows sha1 searches with the api in miser mode for deleted files Added script to populate the rows Adding new field to selects and handle it in all places, where needed Using a 10 byte index for the new field per http://lists.wikimedia.org/pipermail/wikitech-l/2012-September/063429.html Change-Id: Ie54a513fe361202e63df44be44a0fdd91926c974
76 lines
2.7 KiB
PHP
76 lines
2.7 KiB
PHP
<?php
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/**
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* Core functions for deleteArchivedFiles.php
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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
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*/
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/**
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* Core functions for deleteArchivedFiles.php
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*
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* @ingroup Maintenance
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*/
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class DeleteArchivedFilesImplementation {
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static public function doDelete( $output, $force ) {
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# Data should come off the master, wrapped in a transaction
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$dbw = wfGetDB( DB_MASTER );
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$dbw->begin( __METHOD__ );
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$tbl_arch = $dbw->tableName( 'filearchive' );
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$repo = RepoGroup::singleton()->getLocalRepo();
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# Get "active" revisions from the filearchive table
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$output->handleOutput( "Searching for and deleting archived files...\n" );
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$res = $dbw->query( "SELECT fa_id,fa_storage_group,fa_storage_key,fa_sha1 FROM $tbl_arch" );
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$count = 0;
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foreach ( $res as $row ) {
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$key = $row->fa_storage_key;
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$group = $row->fa_storage_group;
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$id = $row->fa_id;
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$path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key;
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if( isset( $row->fa_sha1 ) ) {
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$sha1 = $row->fa_sha1;
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} else {
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// old row, populate from key
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$sha1 = LocalRepo::getHashFromKey( $key );
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}
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// Check if the file is used anywhere...
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$inuse = $dbw->selectField( 'oldimage', '1',
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array( 'oi_sha1' => $sha1,
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'oi_deleted & ' . File::DELETED_FILE => File::DELETED_FILE ),
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__METHOD__,
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array( 'FOR UPDATE' )
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);
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if ( $path && $repo->fileExists( $path ) && !$inuse ) {
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if ( $repo->quickPurge( $path ) ) {
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$count++;
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$dbw->query( "DELETE FROM $tbl_arch WHERE fa_id = $id" );
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} else {
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$output->handleOutput( "Unable to remove file $path, skipping\n" );
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}
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} else {
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$output->handleOutput( "Notice - file '$key' not found in group '$group'\n" );
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if ( $force ) {
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$output->handleOutput( "Got --force, deleting DB entry\n" );
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$dbw->query( "DELETE FROM $tbl_arch WHERE fa_id = $id" );
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}
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}
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}
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$dbw->commit( __METHOD__ );
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$output->handleOutput( "Done! [$count file(s)]\n" );
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}
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}
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