Improve parser scalability, fix a bug or two, provide 'phd', the Phabricator

Daemon interface.

scripts/__init_script__.php

@@ -25,8 +25,10 @@ if (!@constant('__LIBPHUTIL__')) {
   exit(1);
 }
 
-if (!ini_get('date.timezone')) {
-  date_default_timezone_set('America/Los_Angeles');
-}
-
 phutil_load_library(dirname(__FILE__).'/../src/');
+
+phutil_require_module('phutil', 'symbols');
+
+function __autoload($class) {
+  PhutilSymbolLoader::loadClass($class);
+}

scripts/daemon/phabricator_daemon_launcher.php

@@ -0,0 +1,81 @@
+#!/usr/bin/env php
+<?php
+
+/*
+ * Copyright 2011 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';
+require_once $root.'/scripts/__init_env__.php';
+
+
+
+switch (isset($argv[1]) ? $argv[1] : 'help') {
+  case 'parse-commit':
+    $commit = isset($argv[2]) ? $argv[2] : null;
+    if (!$commit) {
+      throw new Exception("Provide a commit to parse!");
+    }
+    $matches = null;
+    if (!preg_match('/r([A-Z]+)([a-z0-9]+)/', $commit, $matches)) {
+      throw new Exception("Can't parse commit identifier!");
+    }
+    $repo = id(new PhabricatorRepository())->loadOneWhere(
+      'callsign = %s',
+      $matches[1]);
+    if (!$repo) {
+      throw new Exception("Unknown repository!");
+    }
+    $commit = id(new PhabricatorRepositoryCommit())->loadOneWhere(
+      'repositoryID = %d AND commitIdentifier = %s',
+      $repo->getID(),
+      $matches[2]);
+    if (!$commit) {
+      throw new Exception('Unknown commit.');
+    }
+
+    switch ($repo->getVersionControlSystem()) {
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
+        $worker = new PhabricatorRepositoryGitCommitChangeParserWorker(
+          $commit->getID());
+        break;
+      case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
+        $worker = new PhabricatorRepositorySvnCommitChangeParserWorker(
+          $commit->getID());
+        break;
+      default:
+        throw new Exception("Unknown repository type!");
+    }
+
+    ExecFuture::pushEchoMode(true);
+
+    $worker->doWork();
+
+    echo "Done.\n";
+
+    break;
+  case '--help':
+  case 'help':
+  default:
+    echo <<<EOHELP
+phd - phabricator daemon launcher
+
+parse-commit <rXnnnn>
+  Parse a single commit.
+
+EOHELP;
+    exit(1);
+}