testing

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

			/*
			* Copyright 2012 Facebook, Inc.
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/

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

			$project = id(new PhabricatorRepositoryArcanistProject())->loadOneWhere(
			'name = %s', $argv[1]);
			if (!$project) {
			throw new Exception('No such arcanist project.');
			}

			$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 arcanistProjectID = %d AND pathID IN (%Ld)',
			$symbol->getTableName(),
			$project->getID(),
			$chunk);
			}