Depend on class autoloading

Test Plan:
Run setup.
/differential/

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Koolvin

Maniphest Tasks: T1103

Differential Revision: https://secure.phabricator.com/D2612

scripts/__init_script__.php

@@ -42,7 +42,6 @@ $env = isset($_SERVER['PHABRICATOR_ENV'])
   ? $_SERVER['PHABRICATOR_ENV']
   : getenv('PHABRICATOR_ENV');
 if (!$env) {
-  phutil_require_module('phutil', 'console');
   echo phutil_console_wrap(
     phutil_console_format(
       "**ERROR**: PHABRICATOR_ENV Not Set\n\n".
@@ -59,7 +58,6 @@ if (!$env) {
 $conf = phabricator_read_config_file($env);
 $conf['phabricator.env'] = $env;
 
-phutil_require_module('phabricator', 'infrastructure/env');
 PhabricatorEnv::setEnvConfig($conf);
 
 phutil_load_library('arcanist/src');

scripts/celerity_mapper.php

@@ -155,11 +155,6 @@ if ($argc != 2) {
   exit(1);
 }
 
-phutil_require_module('phutil', 'filesystem');
-phutil_require_module('phutil', 'filesystem/filefinder');
-phutil_require_module('phutil', 'future/exec');
-phutil_require_module('phutil', 'parser/docblock');
-
 $root = Filesystem::resolvePath($argv[1]);
 
 $resource_hash = PhabricatorEnv::getEnvConfig('celerity.resource-hash');

scripts/conduit/api.php

@@ -20,8 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-
 $time_start = microtime(true);
 
 if ($argc !== 3) {

scripts/daemon/phabricator_daemon_launcher.php

@@ -20,7 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phabricator', 'infrastructure/daemon/control');
 $control = new PhabricatorDaemonControl();
 
 must_have_extension('pcntl');
@@ -208,10 +207,6 @@ switch ($command) {
 }
 
 function phd_load_tracked_repositories() {
-  phutil_require_module(
-    'phabricator',
-    'applications/repository/storage/repository');
-
   $repositories = id(new PhabricatorRepository())->loadAll();
   foreach ($repositories as $key => $repository) {
     if (!$repository->isTracked()) {

scripts/differential/remove_empty_revisions.php

@@ -20,8 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-
 $revision = new DifferentialRevision();
 
 $empty_revisions = queryfx_all(

scripts/drydock/drydock_control.php

@@ -20,9 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-phutil_require_module('phutil', 'future/exec');
-
 PhutilServiceProfiler::installEchoListener();
 
 $allocator = new DrydockAllocator();

scripts/mail/mail_handler.php

@@ -2,7 +2,7 @@
 <?php
 
 /*
- * Copyright 2011 Facebook, Inc.
+ * 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.
@@ -25,13 +25,6 @@ $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 require_once $root.'/externals/mimemailparser/MimeMailParser.class.php';
 
-phutil_require_module(
-  'phabricator',
-  'applications/metamta/storage/receivedmail');
-phutil_require_module(
-  'phabricator',
-  'applications/files/storage/file');
-
 $parser = new MimeMailParser();
 $parser->setText(file_get_contents('php://stdin'));
 

scripts/repository/rebuild_summaries.php

@@ -2,7 +2,7 @@
 <?php
 
 /*
- * Copyright 2011 Facebook, Inc.
+ * 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.
@@ -20,10 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'symbols');
-PhutilSymbolLoader::loadClass('PhabricatorRepository');
-PhutilSymbolLoader::loadClass('PhabricatorRepositoryCommit');
-
 $commit = new PhabricatorRepositoryCommit();
 
 $conn_w = id(new PhabricatorRepository())->establishConnection('w');

scripts/repository/reparse.php

@@ -20,8 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-
 $is_all = false;
 $reparse_message = false;
 $reparse_change = false;

scripts/repository/test_connection.php

@@ -20,9 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-phutil_require_module('phutil', 'future/exec');
-
 if (empty($argv[1])) {
   echo "usage: test_connection.php <repository_callsign>\n";
   exit(1);

scripts/symbols/generate_ctags_symbols.php

@@ -20,8 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-
 if (ctags_check_executable() == false) {
   echo phutil_console_format(
     "Could not find Exuberant ctags. Make sure it is installed and\n".

scripts/symbols/generate_php_symbols.php

@@ -2,7 +2,7 @@
 <?php
 
 /*
- * Copyright 2011 Facebook, Inc.
+ * 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.
@@ -20,9 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-phutil_require_module('phutil', 'parser/xhpast/bin');
-
 if ($argc !== 1 || posix_isatty(STDIN)) {
   echo phutil_console_format(
     "usage: find . -type f -name '*.php' | ./generate_php_symbols.php\n");

scripts/user/account_admin.php

@@ -20,9 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-phutil_require_module('phutil', 'future/exec');
-
 echo "Enter a username to create a new account or edit an existing account.";
 
 $username = phutil_console_prompt("Enter a username:");

scripts/user/add_user.php

@@ -20,9 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-phutil_require_module('phutil', 'future/exec');
-
 if ($argc !== 5) {
   echo "usage: add_user.php <username> <email> <realname> <admin_user>\n";
   exit(1);

scripts/util/purge_cache.php

@@ -20,9 +20,6 @@
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
-phutil_require_module('phutil', 'console');
-phutil_require_module('phabricator', 'storage/queryfx');
-
 $purge_changesets   = false;
 $purge_differential = false;
 $purge_maniphest    = false;

src/aphront/applicationconfiguration/AphrontApplicationConfiguration.php

@@ -74,7 +74,6 @@ abstract class AphrontApplicationConfiguration {
       return $this->build404Controller();
     }
 
-    PhutilSymbolLoader::loadClass($controller_class);
     $controller = newv($controller_class, array($request));
 
     return array($controller, $uri_data);

src/aphront/console/plugin/xhprof/api/DarkConsoleXHProfPluginAPI.php

@@ -70,7 +70,6 @@ final class DarkConsoleXHProfPluginAPI {
       $data = xhprof_disable();
       $data = serialize($data);
       $file_class = 'PhabricatorFile';
-      PhutilSymbolLoader::loadClass($file_class);
 
       // Since these happen on GET we can't do guarded writes.
       $unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();

src/applications/auth/oauth/provider/base/PhabricatorOAuthProvider.php

@@ -155,7 +155,6 @@ abstract class PhabricatorOAuthProvider {
       default:
         throw new Exception('Unknown OAuth provider.');
     }
-    PhutilSymbolLoader::loadClass($class);
     return newv($class, array());
   }
 

src/applications/base/controller/base/PhabricatorController.php

@@ -63,9 +63,8 @@ abstract class PhabricatorController extends AphrontController {
     $request->setUser($user);
 
     if ($user->getIsDisabled() && $this->shouldRequireEnabledUser()) {
-      $disabled_user_controller = newv(
+      $disabled_user_controller = new PhabricatorDisabledUserController(
-        'PhabricatorDisabledUserController',
+        $request);
-        array($request));
       return $this->delegateToController($disabled_user_controller);
     }
 
@@ -78,7 +77,7 @@ abstract class PhabricatorController extends AphrontController {
     }
 
     if ($this->shouldRequireLogin() && !$user->getPHID()) {
-      $login_controller = newv('PhabricatorLoginController', array($request));
+      $login_controller = new PhabricatorLoginController($request);
       return $this->delegateToController($login_controller);
     }
 
@@ -89,9 +88,7 @@ abstract class PhabricatorController extends AphrontController {
           "No primary email address associated with this account!");
       }
       if (!$email->getIsVerified()) {
-        $verify_controller = newv(
+        $verify_controller = new PhabricatorMustVerifyEmailController($request);
-          'PhabricatorMustVerifyEmailController',
-          array($request));
         return $this->delegateToController($verify_controller);
       }
     }

src/applications/differential/controller/revisionview/DifferentialRevisionViewController.php

@@ -227,7 +227,6 @@ final class DifferentialRevisionViewController extends DifferentialController {
 
       // TODO: build a better version of the action links and deprecate the
       // whole DifferentialRevisionDetailRenderer class.
-      PhutilSymbolLoader::loadClass($custom_renderer_class);
       $custom_renderer =
         newv($custom_renderer_class, array());
       $actions = array_merge(

src/applications/diffusion/query/branch/base/DiffusionBranchQuery.php

@@ -51,18 +51,15 @@ abstract class DiffusionBranchQuery {
 
     switch ($repository->getVersionControlSystem()) {
       case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
-        $class = 'DiffusionGitBranchQuery';
+        $query = new DiffusionGitBranchQuery();
         break;
       case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
-        $class = 'DiffusionMercurialBranchQuery';
+        $query = new DiffusionMercurialBranchQuery();
         break;
       default:
         throw new Exception("Unsupported VCS!");
     }
 
-    PhutilSymbolLoader::loadClass($class);
-    $query = new $class();
-
     $query->request = $request;
 
     return $query;

src/applications/diffusion/query/browse/base/DiffusionBrowseQuery.php

@@ -44,21 +44,18 @@ abstract class DiffusionBrowseQuery {
     switch ($repository->getVersionControlSystem()) {
       case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
         // TODO: Verify local-path?
-        $class = 'DiffusionGitBrowseQuery';
+        $query = new DiffusionGitBrowseQuery();
         break;
       case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
-        $class = 'DiffusionMercurialBrowseQuery';
+        $query = new DiffusionMercurialBrowseQuery();
         break;
       case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
-        $class = 'DiffusionSvnBrowseQuery';
+        $query = new DiffusionSvnBrowseQuery();
         break;
       default:
         throw new Exception("Unsupported VCS!");
     }
 
-    PhutilSymbolLoader::loadClass($class);
-    $query = new $class();
-
     $query->request = $request;
 
     return $query;

src/applications/files/engine/s3/PhabricatorS3FileStorageEngine.php

@@ -106,6 +106,7 @@ final class PhabricatorS3FileStorageEngine
    * Create a new S3 API object.
    *
    * @task internal
+   * @phutil-external-symbol class S3
    */
   private function newS3API() {
     $libroot = dirname(phutil_get_library_root('phabricator'));
@@ -119,13 +120,7 @@ final class PhabricatorS3FileStorageEngine
         "Specify 'amazon-s3.access-key' and 'amazon-s3.secret-key'!");
     }
 
-    $s3 = newv(
+    $s3 = new S3($access_key, $secret_key, $use_ssl = true);
-      'S3',
-      array(
-        $access_key,
-        $secret_key,
-        $use_ssl = true,
-      ));
 
     $s3->setExceptions(true);
 

src/applications/markup/engine/PhabricatorMarkupEngine.php

@@ -118,7 +118,6 @@ class PhabricatorMarkupEngine {
     $custom_rule_classes = $options['custom-inline'];
     if ($custom_rule_classes) {
       foreach ($custom_rule_classes as $custom_rule_class) {
-        PhutilSymbolLoader::loadClass($custom_rule_class);
         $rules[] = newv($custom_rule_class, array());
       }
     }
@@ -167,7 +166,6 @@ class PhabricatorMarkupEngine {
     $custom_block_rule_classes = $options['custom-block'];
     if ($custom_block_rule_classes) {
       foreach ($custom_block_rule_classes as $custom_block_rule_class) {
-        PhutilSymbolLoader::loadClass($custom_block_rule_class);
         $blocks[] = newv($custom_block_rule_class, array());
       }
     }

src/applications/metamta/adapter/amazonses/PhabricatorMailImplementationAmazonSESAdapter.php

@@ -33,6 +33,9 @@ final class PhabricatorMailImplementationAmazonSESAdapter
     return false;
   }
 
+  /**
+   * @phutil-external-symbol class SimpleEmailService
+   */
   public function executeSend($body) {
     $key = PhabricatorEnv::getEnvConfig('amazon-ses.access-key');
     $secret = PhabricatorEnv::getEnvConfig('amazon-ses.secret-key');
@@ -41,7 +44,7 @@ final class PhabricatorMailImplementationAmazonSESAdapter
     $root = dirname($root);
     require_once $root.'/externals/amazon-ses/ses.php';
 
-    $service = newv('SimpleEmailService', array($key, $secret));
+    $service = new SimpleEmailService($key, $secret);
     $service->enableUseExceptions(true);
     return $service->sendRawEmail($body);
   }

src/applications/metamta/adapter/phpmailerlite/PhabricatorMailImplementationPHPMailerLiteAdapter.php

@@ -22,11 +22,14 @@
 class PhabricatorMailImplementationPHPMailerLiteAdapter
   extends PhabricatorMailImplementationAdapter {
 
+  /**
+   * @phutil-external-symbol class PHPMailerLite
+   */
   public function __construct() {
     $root = phutil_get_library_root('phabricator');
     $root = dirname($root);
     require_once $root.'/externals/phpmailer/class.phpmailer-lite.php';
-    $this->mailer = newv('PHPMailerLite', array($use_exceptions = true));
+    $this->mailer = new PHPMailerLite($use_exceptions = true);
     $this->mailer->CharSet = 'utf-8';
   }
 

src/applications/metamta/storage/receivedmail/PhabricatorMetaMTAReceivedMail.php

@@ -233,13 +233,13 @@ final class PhabricatorMetaMTAReceivedMail extends PhabricatorMetaMTADAO {
     $class_obj = null;
     switch ($receiver_type) {
       case 'T':
-        $class_obj = newv('ManiphestTask', array());
+        $class_obj = new ManiphestTask();
         break;
       case 'D':
-        $class_obj = newv('DifferentialRevision', array());
+        $class_obj = new DifferentialRevision();
         break;
       case 'C':
-        $class_obj = newv('PhabricatorRepositoryCommit', array());
+        $class_obj = new PhabricatorRepositoryCommit();
         break;
       default:
         return null;

src/applications/phid/handle/data/PhabricatorObjectHandleData.php

@@ -40,7 +40,7 @@ final class PhabricatorObjectHandleData {
     foreach ($types as $type => $phids) {
       switch ($type) {
         case PhabricatorPHIDConstants::PHID_TYPE_USER:
-          $user_dao = newv('PhabricatorUser', array());
+          $user_dao = new PhabricatorUser();
           $users = $user_dao->loadAllWhere(
             'phid in (%Ls)',
             $phids);
@@ -49,13 +49,13 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_CMIT:
-          $commit_dao = newv('PhabricatorRepositoryCommit', array());
+          $commit_dao = new PhabricatorRepositoryCommit();
           $commits = $commit_dao->loadAllWhere(
             'phid IN (%Ls)',
             $phids);
           $commit_data = array();
           if ($commits) {
-            $data_dao = newv('PhabricatorRepositoryCommitData', array());
+            $data_dao = new PhabricatorRepositoryCommitData();
             $commit_data = $data_dao->loadAllWhere(
               'commitID IN (%Ld)',
               mpull($commits, 'getID'));
@@ -73,7 +73,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_TASK:
-          $task_dao = newv('ManiphestTask', array());
+          $task_dao = new ManiphestTask();
           $tasks = $task_dao->loadAllWhere(
             'phid IN (%Ls)',
             $phids);
@@ -82,7 +82,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_DREV:
-          $revision_dao = newv('DifferentialRevision', array());
+          $revision_dao = new DifferentialRevision();
           $revisions = $revision_dao->loadAllWhere(
             'phid IN (%Ls)',
             $phids);
@@ -131,9 +131,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_USER:
-          $class = 'PhabricatorUser';
+          $object = new PhabricatorUser();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $users = $object->loadAllWhere('phid IN (%Ls)', $phids);
           $users = mpull($users, null, 'getPHID');
@@ -183,10 +181,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_MLST:
-          $class = 'PhabricatorMetaMTAMailingList';
+          $object = new PhabricatorMetaMTAMailingList();
-
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $lists = $object->loadAllWhere('phid IN (%Ls)', $phids);
           $lists = mpull($lists, null, 'getPHID');
@@ -208,9 +203,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_DREV:
-          $class = 'DifferentialRevision';
+          $object = new DifferentialRevision();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $revs = $object->loadAllWhere('phid in (%Ls)', $phids);
           $revs = mpull($revs, null, 'getPHID');
@@ -240,9 +233,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_CMIT:
-          $class = 'PhabricatorRepositoryCommit';
+          $object = new PhabricatorRepositoryCommit();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $commits = $object->loadAllWhere('phid in (%Ls)', $phids);
           $commits = mpull($commits, null, 'getPHID');
@@ -287,9 +278,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_TASK:
-          $class = 'ManiphestTask';
+          $object = new ManiphestTask();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $tasks = $object->loadAllWhere('phid in (%Ls)', $phids);
           $tasks = mpull($tasks, null, 'getPHID');
@@ -316,9 +305,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_FILE:
-          $class = 'PhabricatorFile';
+          $object = new PhabricatorFile();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $files = $object->loadAllWhere('phid IN (%Ls)', $phids);
           $files = mpull($files, null, 'getPHID');
@@ -339,9 +326,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_PROJ:
-          $class = 'PhabricatorProject';
+          $object = new PhabricatorProject();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $projects = $object->loadAllWhere('phid IN (%Ls)', $phids);
           $projects = mpull($projects, null, 'getPHID');
@@ -362,9 +347,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_REPO:
-          $class = 'PhabricatorRepository';
+          $object = new PhabricatorRepository();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $repositories = $object->loadAllWhere('phid in (%Ls)', $phids);
           $repositories = mpull($repositories, null, 'getPHID');
@@ -385,9 +368,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_OPKG:
-          $class = 'PhabricatorOwnersPackage';
+          $object = new PhabricatorOwnersPackage();
-          PhutilSymbolLoader::loadClass($class);
-          $object = newv($class, array());
 
           $packages = $object->loadAllWhere('phid in (%Ls)', $phids);
           $packages = mpull($packages, null, 'getPHID');
@@ -408,7 +389,7 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_APRJ:
-          $project_dao = newv('PhabricatorRepositoryArcanistProject', array());
+          $project_dao = new PhabricatorRepositoryArcanistProject();
 
           $projects = $project_dao->loadAllWhere(
             'phid IN (%Ls)',
@@ -429,8 +410,8 @@ final class PhabricatorObjectHandleData {
           }
           break;
         case PhabricatorPHIDConstants::PHID_TYPE_WIKI:
-          $document_dao = newv('PhrictionDocument', array());
+          $document_dao = new PhrictionDocument();
-          $content_dao  = newv('PhrictionContent', array());
+          $content_dao  = new PhrictionContent();
 
           $conn = $document_dao->establishConnection('r');
           $documents = queryfx_all(
@@ -467,7 +448,6 @@ final class PhabricatorObjectHandleData {
           }
 
           if ($loader) {
-            PhutilSymbolLoader::loadClass($loader);
             $object = newv($loader, array());
             $handles += $object->loadHandles($phids);
             break;

src/applications/repository/worker/commitmessageparser/base/PhabricatorRepositoryCommitMessageParserWorker.php

@@ -48,7 +48,6 @@ abstract class PhabricatorRepositoryCommitMessageParserWorker
       'PhabricatorRepositoryDefaultCommitMessageDetailParser');
 
     if ($detail_parser) {
-      PhutilSymbolLoader::loadClass($detail_parser);
       $parser_obj = newv($detail_parser, array($commit, $data));
       $parser_obj->parseCommitDetails();
     }

src/infrastructure/daemon/workers/taskmaster/PhabricatorTaskmasterDaemon.php

@@ -79,8 +79,8 @@ final class PhabricatorTaskmasterDaemon extends PhabricatorDaemon {
           $data = idx($task_data, $task->getID());
           $class = $task->getTaskClass();
           try {
-            PhutilSymbolLoader::loadClass($class);
+            if (!class_exists($class) ||
-            if (!is_subclass_of($class, 'PhabricatorWorker')) {
+                !is_subclass_of($class, 'PhabricatorWorker')) {
               throw new Exception(
                 "Task class '{$class}' does not extend PhabricatorWorker.");
             }

src/infrastructure/setup/PhabricatorSetup.php

@@ -58,8 +58,7 @@ final class PhabricatorSetup {
       // of security so warn even if things look OK.
 
       try {
-        phutil_require_module('phutil', 'utils');
+        $open_libphutil = class_exists('Future');
-        $open_libphutil = true;
       } catch (Exception $ex) {
         $message = $ex->getMessage();
         self::write("Unable to load modules from libphutil: {$message}\n");
@@ -67,8 +66,7 @@ final class PhabricatorSetup {
       }
 
       try {
-        phutil_require_module('arcanist', 'workflow/base');
+        $open_arcanist = class_exists('ArcanistDiffParser');
-        $open_arcanist = true;
       } catch (Exception $ex) {
         $message = $ex->getMessage();
         self::write("Unable to load modules from Arcanist: {$message}\n");

webroot/index.php

@@ -76,7 +76,6 @@ try {
   $conf = phabricator_read_config_file($env);
   $conf['phabricator.env'] = $env;
 
-  phutil_require_module('phabricator', 'infrastructure/env');
   PhabricatorEnv::setEnvConfig($conf);
 
   // This is the earliest we can get away with this, we need env config first.
@@ -91,11 +90,8 @@ try {
       ));
   }
 
-  phutil_require_module('phabricator', 'aphront/console/plugin/xhprof/api');
   DarkConsoleXHProfPluginAPI::hookProfiler();
 
-  phutil_require_module('phabricator', 'aphront/console/plugin/errorlog/api');
-
   PhutilErrorHandler::initialize();
 
 } catch (Exception $ex) {
@@ -106,8 +102,6 @@ $tz = PhabricatorEnv::getEnvConfig('phabricator.timezone');
 if ($tz) {
   date_default_timezone_set($tz);
 }
-phutil_require_module('phabricator', 'aphront/console/plugin/errorlog/api');
-phutil_require_module('phutil', 'error');
 
 PhutilErrorHandler::setErrorListener(
   array('DarkConsoleErrorLogPluginAPI', 'handleErrors'));