phutil_rebuild_map.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.
	*/

	require_once dirname(__FILE__).'/__init_script__.php';
	require_once dirname(__FILE__).'/lib/PhutilLibraryMapBuilder.php';

	$args = new PhutilArgumentParser($argv);
	$args->setTagline('rebuild the library map file');
	$args->setSynopsis(<<<EOHELP
	phutil_rebuild_map.php [__options__] __root__
	Rebuild the library map file for a libphutil library.

	EOHELP
	);

	$args->parseStandardArguments();
	$args->parse(
	array(
	array(
	'name' => 'quiet',
	'help' => 'Do not write status messages to stderr.',
	),
	array(
	'name' => 'drop-cache',
	'help' => 'Drop the symbol cache and rebuild the entire map from '.
	'scratch.',
	),
	array(
	'name' => 'limit',
	'param' => 'N',
	'default' => 8,
	'help' => 'Controls the number of symbol mapper subprocesses run '.
	'at once. Defaults to 8.',
	),
	array(
	'name' => 'show',
	'help' => 'Print symbol map to stdout instead of writing it to the '.
	'map file.',
	),
	array(
	'name' => 'ugly',
	'help' => 'Use faster but less readable serialization for --show.',
	),
	array(
	'name' => 'root',
	'wildcard' => true,
	)
	));

	$root = $args->getArg('root');
	if (count($root) !== 1) {
	throw new Exception("Provide exactly one library root!");
	}
	$root = Filesystem::resolvePath(head($root));

	$builder = new PhutilLibraryMapBuilder($root);

	$builder->setQuiet($args->getArg('quiet'));
	$builder->setSubprocessLimit($args->getArg('limit'));

	if ($args->getArg('drop-cache')) {
	$builder->dropSymbolCache();
	}

	if ($args->getArg('show')) {
	$builder->setShowMap(true);
	$builder->setUgly($args->getArg('ugly'));
	}

	$builder->buildMap();

	exit(0);

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