#!/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);
}