/**
  * This is a generic form, but it will probably work in most cases.
  *
  * @param array $fields
  * @return array
  */
 public function addInstallFormFields(array $fields)
 {
     $fields[] = HiddenField::create('RepoType', '', $this->getType());
     $fields[] = HiddenField::create('RepoID', '', $this->repoID);
     $fields[] = LiteralField::create('repo', sprintf("<p>" . "You appear to be deploying from %s (%s.git). " . "If you enter your username and password below we will set up a service hook to deploy automatically. " . "Your credentials will not be logged or saved." . "</p>", $this->getHumanName(), $this->repoID));
     $fields[] = TextField::create('PostURL', 'Commit Hook URL (must be unique to this server)', DeployController::default_hook_url());
     $fields[] = TextField::create('ApiUser', $this->getHumanName() . ' Username');
     $fields[] = PasswordField::create('ApiPassword', $this->getHumanName() . ' Password');
     return $fields;
 }
 /**
  * Handle commit hook post from bitbucket or github
  * @return string
  */
 public function commit_hook()
 {
     if (isset($_POST['payload'])) {
         // github and bitbucket use a 'payload' parameter
         $json = $_POST['payload'];
     } else {
         $json = file_get_contents('php://input');
     }
     if (!$json) {
         DTLog::debug('ignored #1');
         return 'ignored';
     }
     $data = $json ? json_decode($json, true) : null;
     if (!$data || !is_array($data['commits'])) {
         DTLog::debug('ignored #2');
         return 'ignored';
     }
     // look through the commits
     $found = false;
     $tags = array();
     foreach ($data['commits'] as $commit) {
         if (preg_match('/\\[deploy(:.+)?\\]/', $commit['message'], $matches)) {
             $found = true;
             if (count($matches) > 1 && $matches[1] != '') {
                 $tags[] = substr($matches[1], 1);
             } else {
                 $tags[] = 'live';
             }
         }
     }
     if (!$found) {
         return 'ignored';
     }
     if (defined('DEPLOY_TAG') && !in_array(DEPLOY_TAG, $tags)) {
         DTLog::debug('ignored #3');
         return 'ignored';
     }
     // create the deployment
     increase_time_limit_to(600);
     $deploy = new Deploy(BASE_PATH, array());
     $deploy->post_deploy = function () use($deploy) {
         global $_FILE_TO_URL_MAPPING;
         // composer install if detected
         if (file_exists(BASE_PATH . DIRECTORY_SEPARATOR . 'composer.json')) {
             if (file_exists('/usr/local/bin/composer')) {
                 // TODO: more flexible composer detection
                 exec('composer install', $output);
                 DTLog::info('Executing composer install...' . implode("\n", $output));
                 //Checking for composer.phar
             } elseif (file_exists('/usr/local/bin/composer.phar')) {
                 exec('/usr/local/bin/composer.phar install', $output);
                 DTLog::info('Executing composer install...' . implode("\n", $output));
             } else {
                 DTLog::info('composer.json detected but unable to locate composer.');
             }
         }
         // clear cache
         DTLog::info('Clearing cache...');
         DeployController::clear_cache();
         // update database
         if (isset($_FILE_TO_URL_MAPPING[BASE_PATH])) {
             exec('php framework/cli-script.php dev/build', $output2);
             DTLog::info('Updating database...' . implode("\n", $output2));
         } else {
             DTLog::info('Database not updated. $_FILE_TO_URL_MAPPING must be set for ' . BASE_PATH);
         }
         //    		SS_ClassLoader::instance()->getManifest()->regenerate();
         //            ob_start();
         //            DatabaseAdmin::create()->doBuild(false, true, false);
         //            DTLog::info('dev/build complete: '.ob_get_contents());
         //            ob_end_clean();
     };
     $deploy->execute();
     return 'ok';
 }