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<?php
/**
* Compress the text of a wiki
*
* @package MediaWiki
* @subpackage Maintenance
*/
/** */
/**
* Usage:
*
* Non-wikimedia
* php compressOld.php [options...]
*
* Wikimedia
* php compressOld.php <database> [options...]
*
* Options are:
* -t <type> set compression type to either:
* gzip: compress revisions independently
* concat: concatenate revisions and compress in chunks (default)
* -c <chunk-size> maximum number of revisions in a concat chunk
* -b <begin-date> earliest date to check for uncompressed revisions
* -e <end-date> latest revision date to compress
* -s <start-id> the old_id to start from
* -f <max-factor> the maximum ratio of compressed chunk bytes to uncompressed avg. revision bytes
* -h <threshold> is a minimum number of KB, where <max-factor> cuts in
* --extdb <cluster> store specified revisions in an external cluster (untested)
*
*/
$optionsWithArgs = array( 't', 'c', 's', 'f', 'h', 'extdb' );
require_once( "../commandLine.inc" );
require_once( "compressOld.inc" );
if( !function_exists( "gzdeflate" ) ) {
print "You must enable zlib support in PHP to compress old revisions!\n";
print "Please see http://www.php.net/manual/en/ref.zlib.php\n\n";
die();
}
$defaults = array(
't' => 'concat',
'c' => 20,
's' => 0,
'f' => 3,
'h' => 100,
'b' => '',
'e' => '',
'extdb' => '',
);
$options = $options + $defaults;
if ( $options['t'] != 'concat' && $options['t'] != 'gzip' ) {
print "Type \"{$options['t']}\" not supported\n";
}
print "Depending on the size of your database this may take a while!\n";
print "If you abort the script while it's running it shouldn't harm anything,\n";
print "but if you haven't backed up your data, you SHOULD abort now!\n\n";
print "Press control-c to abort first (will proceed automatically in 5 seconds)\n";
#sleep(5);
$success = true;
if ( $options['t'] == 'concat' ) {
$success = compressWithConcat( $options['s'], $options['c'], $options['f'], $options['h'], $options['b'],
$options['e'], $options['extdb'] );
} else {
compressOldPages( $options['s'], $options['extdb'] );
}
if ( $success ) {
print "Done.\n";
}
exit();
?>
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