Move 'phd parse-commit' to a dedicated script; allow message parsing tasks to

be executed in isolation, provide a script to requeue all message reparses,
stop parse-commit from inserting side-effect tasks.

scripts/repository/parse_one_commit.php

@@ -0,0 +1,83 @@
+#!/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 $root.'/scripts/__init_env__.php';
+
+if (empty($argv[1])) {
+  echo "usage: parse_one_commit.php <commit_name>\n";
+  die(1);
+}
+
+$commit = isset($argv[1]) ? $argv[1] : null;
+if (!$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.');
+}
+
+$workers = array();
+
+$spec = array(
+  'commitID'  => $commit->getID(),
+  'only'      => true,
+);
+
+switch ($repo->getVersionControlSystem()) {
+  case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
+    $workers[] = new PhabricatorRepositoryGitCommitMessageParserWorker(
+      $spec);
+    $workers[] = new PhabricatorRepositoryGitCommitChangeParserWorker(
+      $spec);
+    break;
+  case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
+    $workers[] = new PhabricatorRepositorySvnCommitMessageParserWorker(
+      $spec);
+    $workers[] = new PhabricatorRepositorySvnCommitChangeParserWorker(
+      $spec);
+    break;
+  default:
+    throw new Exception("Unknown repository type!");
+}
+
+ExecFuture::pushEchoMode(true);
+
+foreach ($workers as $worker) {
+  echo "Running ".get_class($worker)."...\n";
+  $worker->doWork();
+}
+
+echo "Done.\n";
+