1 files changed, 82 insertions, 0 deletions
diff --git a/maintenance/storage/compressOld.php b/maintenance/storage/compressOld.php
new file mode 100644
index 00000000..d597f1df
--- /dev/null
+++ b/maintenance/storage/compressOld.php
@@ -0,0 +1,82 @@
+<?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)
+ *
+ */
+
+$optionsWithArgs = array( 't', 'c', 's', 'f', 'h', 'extdb', 'endid' );
+require_once( "../commandLine.inc" );
+require_once( "compressOld.inc" );
+
+if( !function_exists( "gzdeflate" ) ) {
+	print "You must enable zlib support in PHP to compress old revisions!\n";
+	print "Please see http://www.php.net/manual/en/ref.zlib.php\n\n";
+	wfDie();
+}
+
+$defaults = array(
+	't' => 'concat',
+	'c' => 20,
+	's' => 0,
+	'f' => 5,
+	'h' => 100,
+	'b' => '',
+    'e' => '',
+    'extdb' => '',
+    'endid' => false,
+);
+
+$options = $options + $defaults;
+
+if ( $options['t'] != 'concat' && $options['t'] != 'gzip' ) {
+	print "Type \"{$options['t']}\" not supported\n";
+}
+
+if ( $options['extdb'] != '' ) {
+	print "Compressing database $wgDBname to external cluster {$options['extdb']}\n" . str_repeat('-', 76) . "\n\n";
+} else {
+	print "Compressing database $wgDBname\n" . str_repeat('-', 76) . "\n\n";
+}
+
+$success = true;
+if ( $options['t'] == 'concat' ) {
+    $success = compressWithConcat( $options['s'], $options['c'], $options['f'], $options['h'], $options['b'],
+        $options['e'], $options['extdb'], $options['endid'] );
+} else {
+	compressOldPages( $options['s'], $options['extdb'] );
+}
+
+if ( $success ) {
+	print "Done.\n";
+}
+
+exit();
+
+?>