3 * Sends dump output via the p7zip compressor.
5 * Copyright © 2003, 2005, 2006 Brion Vibber <brion@pobox.com>
6 * https://www.mediawiki.org/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 * http://www.gnu.org/copyleft/gpl.html
26 use MediaWiki\Shell\Shell
;
31 class Dump7ZipOutput
extends DumpPipeOutput
{
35 protected $compressionLevel;
39 * @param int $cmpLevel Compression level passed to 7za command's -mx
41 function __construct( $file, $cmpLevel = 4 ) {
42 $this->compressionLevel
= $cmpLevel;
43 $command = $this->setup7zCommand( $file );
44 parent
::__construct( $command );
45 $this->filename
= $file;
52 function setup7zCommand( $file ) {
53 $command = "7za a -bd -si -mx=";
54 $command .= Shell
::escape( $this->compressionLevel
) . ' ';
55 $command .= Shell
::escape( $file );
56 // Suppress annoying useless crap from p7zip
57 // Unfortunately this could suppress real error messages too
58 $command .= ' >' . wfGetNull() . ' 2>&1';
63 * @param string $newname
66 function closeAndRename( $newname, $open = false ) {
67 $newname = $this->checkRenameArgCount( $newname );
69 fclose( $this->handle
);
70 proc_close( $this->procOpenResource
);
71 $this->renameOrException( $newname );
73 $command = $this->setup7zCommand( $this->filename
);
74 $this->startCommand( $command );