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  * @file
  24  * @ingroup Maintenance ExternalStorage
  25  */
  26
  27 $optionsWithArgs = array( 't', 'c', 's', 'f', 'h', 'extdb', 'endid', 'e' );
  28 require_once( dirname( __FILE__ ) . '/../commandLine.inc' );
  29 require_once( "compressOld.inc" );
  30
  31 if ( !function_exists( "gzdeflate" ) ) {
  32         print "You must enable zlib support in PHP to compress old revisions!\n";
  33         print "Please see http://www.php.net/manual/en/ref.zlib.php\n\n";
  34         wfDie();
  35 }
  36
  37 $defaults = array(
  38         't' => 'concat',
  39         'c' => 20,
  40         's' => 0,
  41         'b' => '',
  42         'e' => '',
  43         'extdb' => '',
  44         'endid' => false,
  45 );
  46
  47 $options = $options + $defaults;
  48
  49 if ( $options['t'] != 'concat' && $options['t'] != 'gzip' ) {
  50         print "Type \"{$options['t']}\" not supported\n";
  51 }
  52
  53 if ( $options['extdb'] != '' ) {
  54         print "Compressing database $wgDBname to external cluster {$options['extdb']}\n" . str_repeat( '-', 76 ) . "\n\n";
  55 } else {
  56         print "Compressing database $wgDBname\n" . str_repeat( '-', 76 ) . "\n\n";
  57 }
  58
  59 $success = true;
  60 if ( $options['t'] == 'concat' ) {
  61         $success = compressWithConcat( $options['s'], $options['c'], $options['b'],
  62                 $options['e'], $options['extdb'], $options['endid'] );
  63 } else {
  64         compressOldPages( $options['s'], $options['extdb'] );
  65 }
  66
  67 if ( $success ) {
  68         print "Done.\n";
  69 }
  70
  71 exit( 0 );
  72
  73