maintenance/storage/compressOld.php

   1 <?php
   2 /**
   3  * Compress the text of a wiki.
   4  *
   5  * Usage:
   6  *
   7  * Non-wikimedia
   8  * php compressOld.php [options...]
   9  *
  10  * Wikimedia
  11  * php compressOld.php <database> [options...]
  12  *
  13  * Options are:
  14  *  -t <type>           set compression type to either:
  15  *                          gzip: compress revisions independently
  16  *                          concat: concatenate revisions and compress in chunks (default)
  17  *  -c <chunk-size>     maximum number of revisions in a concat chunk
  18  *  -b <begin-date>     earliest date to check for uncompressed revisions
  19  *  -e <end-date>       latest revision date to compress
  20  *  -s <start-id>       the old_id to start from
  21  *  --extdb <cluster>   store specified revisions in an external cluster (untested)
  22  *
  23  * This program is free software; you can redistribute it and/or modify
  24  * it under the terms of the GNU General Public License as published by
  25  * the Free Software Foundation; either version 2 of the License, or
  26  * (at your option) any later version.
  27  *
  28  * This program is distributed in the hope that it will be useful,
  29  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  31  * GNU General Public License for more details.
  32  *
  33  * You should have received a copy of the GNU General Public License along
  34  * with this program; if not, write to the Free Software Foundation, Inc.,
  35  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  36  * http://www.gnu.org/copyleft/gpl.html
  37  *
  38  * @file
  39  * @ingroup Maintenance ExternalStorage
  40  */
  41
  42 $optionsWithArgs = array( 't', 'c', 's', 'f', 'h', 'extdb', 'endid', 'e' );
  43 require_once( dirname( __FILE__ ) . '/../commandLine.inc' );
  44 require_once( "compressOld.inc" );
  45
  46 if ( !function_exists( "gzdeflate" ) ) {
  47         print "You must enable zlib support in PHP to compress old revisions!\n";
  48         print "Please see http://www.php.net/manual/en/ref.zlib.php\n\n";
  49         wfDie();
  50 }
  51
  52 $defaults = array(
  53         't' => 'concat',
  54         'c' => 20,
  55         's' => 0,
  56         'b' => '',
  57         'e' => '',
  58         'extdb' => '',
  59         'endid' => false,
  60 );
  61
  62 $options = $options + $defaults;
  63
  64 if ( $options['t'] != 'concat' && $options['t'] != 'gzip' ) {
  65         print "Type \"{$options['t']}\" not supported\n";
  66 }
  67
  68 if ( $options['extdb'] != '' ) {
  69         print "Compressing database $wgDBname to external cluster {$options['extdb']}\n" . str_repeat( '-', 76 ) . "\n\n";
  70 } else {
  71         print "Compressing database $wgDBname\n" . str_repeat( '-', 76 ) . "\n\n";
  72 }
  73
  74 $success = true;
  75 if ( $options['t'] == 'concat' ) {
  76         $success = compressWithConcat( $options['s'], $options['c'], $options['b'],
  77                 $options['e'], $options['extdb'], $options['endid'] );
  78 } else {
  79         compressOldPages( $options['s'], $options['extdb'] );
  80 }
  81
  82 if ( $success ) {
  83         print "Done.\n";
  84 }
  85
  86 exit( 0 );
  87
  88