public function execute()
{
$async = $this->getOption('async', false);
$dryrun = $this->getOption('dry-run', false);
if ($this->hasOption('title')) {
$title = Title::newFromText($this->getOption('title'));
if (!$title || !$title->isRedirect()) {
$this->error($title->getPrefixedText() . " is not a redirect!\n", true);
}
} else {
$title = null;
}
$dbr = wfGetDB(DB_SLAVE);
// See also SpecialDoubleRedirects
$tables = array('redirect', 'pa' => 'page', 'pb' => 'page');
$fields = array('pa.page_namespace AS pa_namespace', 'pa.page_title AS pa_title', 'pb.page_namespace AS pb_namespace', 'pb.page_title AS pb_title');
$conds = array('rd_from = pa.page_id', 'rd_namespace = pb.page_namespace', 'rd_title = pb.page_title', 'rd_interwiki IS NULL OR rd_interwiki = ' . $dbr->addQuotes(''), 'pb.page_is_redirect' => 1);
if ($title != null) {
$conds['pb.page_namespace'] = $title->getNamespace();
$conds['pb.page_title'] = $title->getDBkey();
}
// TODO: support batch querying
$res = $dbr->select($tables, $fields, $conds, __METHOD__);
if (!$res->numRows()) {
$this->output("No double redirects found.\n");
return;
}
$jobs = array();
$processedTitles = "\n";
$n = 0;
foreach ($res as $row) {
$titleA = Title::makeTitle($row->pa_namespace, $row->pa_title);
$titleB = Title::makeTitle($row->pb_namespace, $row->pb_title);
$processedTitles .= "* [[{$titleA}]]\n";
$job = new DoubleRedirectJob($titleA, array('reason' => 'maintenance', 'redirTitle' => $titleB->getPrefixedDBkey()));
if (!$async) {
$success = $dryrun ? true : $job->run();
if (!$success) {
$this->error("Error fixing " . $titleA->getPrefixedText() . ": " . $job->getLastError() . "\n");
}
} else {
$jobs[] = $job;
// @todo FIXME: Hardcoded constant 10000 copied from DoubleRedirectJob class
if (count($jobs) > 10000) {
$this->queueJobs($jobs, $dryrun);
$jobs = array();
}
}
if (++$n % 100 == 0) {
$this->output("{$n}...\n");
}
}
if (count($jobs)) {
$this->queueJobs($jobs, $dryrun);
}
$this->output("{$n} double redirects processed" . $processedTitles . "\n");
}
