clear_repository_symbols.php
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	#!/usr/bin/env php
	<?php

	$root = dirname(dirname(dirname(__FILE__)));
	require_once $root.'/scripts/__init_script__.php';

	$args = new PhutilArgumentParser($argv);
	$args->setSynopsis(<<<EOSYNOPSIS
	clear_repository_symbols.php [__options__] __repository__

	Clear repository symbols.
	EOSYNOPSIS
	);
	$args->parseStandardArguments();
	$args->parse(
	array(
	array(
	'name' => 'repository',
	'wildcard' => true,
	),
	));

	$identifiers = $args->getArg('repository');
	if (count($identifiers) !== 1) {
	$args->printHelpAndExit();
	}

	$identifier = head($identifiers);
	$repository = id(new PhabricatorRepositoryQuery())
	->setViewer(PhabricatorUser::getOmnipotentUser())
	->withIdentifiers($identifiers)
	->executeOne();

	if (!$repository) {
	echo tsprintf(
	"%s\n",
	pht('Repository "%s" does not exist.', $identifier));
	exit(1);
	}

	$input = file_get_contents('php://stdin');
	$normalized = array();
	foreach (explode("\n", trim($input)) as $path) {
	// Emulate the behavior of the symbol generation scripts.
	$normalized[] = '/'.ltrim($path, './');
	}
	$paths = PhabricatorRepositoryCommitChangeParserWorker::lookupOrCreatePaths(
	$normalized);

	$symbol = new PhabricatorRepositorySymbol();
	$conn_w = $symbol->establishConnection('w');

	foreach (array_chunk(array_values($paths), 128) as $chunk) {
	queryfx(
	$conn_w,
	'DELETE FROM %T WHERE repositoryPHID = %s AND pathID IN (%Ld)',
	$symbol->getTableName(),
	$repository->getPHID(),
	$chunk);
	}