gistfile1.php

<?php
error_reporting(E_ALL ^ E_STRICT);
ini_set('display_errors', 1);

class FetchHandler {

	/**
	 * @var string The path to this script
	 */
	protected $rootPath;

	/**
	 * @var string The path to the Flow project root folder
	 */
	protected $projectPath;

	/**
	 * @var array List of command files to process
	 */
	protected $commandFiles = array();

	/**
	 * Construct the FetchHandler
	 */
	public function __construct() {
		$this->projectPath = realpath(getenv('WORKSPACE') ? getenv('WORKSPACE') : $_SERVER['PWD']) . DIRECTORY_SEPARATOR;
		$this->rootPath = $this->projectPath . implode(DIRECTORY_SEPARATOR, array('Build', 'QueuedPatches')) . DIRECTORY_SEPARATOR;
	}

	/**
	 * Fetch all command files and process them
	 * @return void
	 */
	public function fetch() {
		$this->getCommandFiles($this->rootPath);
		foreach ($this->commandFiles as $commandFile) {
			$packageDirectory = $this->projectPath . str_replace($this->rootPath, '', $commandFile);
			echo chr(10) . chr(10) . 'PROCESSING: ' . str_replace($this->rootPath, '', $packageDirectory) . chr(10);
			if (is_dir($packageDirectory)) {
				$this->patchPackage($packageDirectory, $commandFile);
			}
		}
	}

	public function patchPackage($path, $commandFile) {
			// Check current status of the submodule
		exec(sprintf('cd %s && git status', $path), $output, $result);
		if (isset($output[1]) && strpos($output[1], 'ahead') !== FALSE) {
			preg_match('/by ([0-9]*) commit/', $output[1], $matches);
			echo sprintf('REVERT: %s commit%s', $matches[1], intval($matches[1]) > 1 ? 's' : '') . chr(10);
			exec(sprintf('cd %s && git reset --hard HEAD~' . $matches[1], $path), $output, $result);
		}

		$commands = explode(chr(13), file_get_contents($commandFile));
		foreach ($commands as $command) {
			if (trim($command) === '') {
				continue;
			}
			$cmd = sprintf('cd %s && %s', $path, $command);
			echo sprintf('EXECUTE: %s', $command) . chr(10);
			echo exec($cmd, $output, $result);
			if ($result !== 0) {
				echo 'ERROR!!!' . chr(10);
			}
		}
	}

	/**
	 * Recursively fetch all command files in a given path
	 * @param $path
	 * @return void
	 */
	protected function getCommandFiles($path) {
		$files = $this->getDirectoryContent($path);
		foreach ($files as $file) {
			if (is_dir($file)) {
				$this->getCommandFiles($file . '/');
			} else {
				$submodulePath = str_replace($this->rootPath, '', $file);
				if (is_dir($this->projectPath . $submodulePath)) {
					$this->commandFiles[] = $file;
				}
			}
		}
	}

	/**
	 * Get all files and directories in a given path
	 *
	 * @param $path
	 * @return array
	 */
	protected function getDirectoryContent($path) {
		$content = array();
		if (is_dir($path)) {
			$directoryIterator = new DirectoryIterator($path);
			foreach ($directoryIterator as $entry) {
				if (!$entry->isDot()) {
					$content[] = $entry->getPathname();
				}
			}
		}

		return $content;
	}
}

/**
 * Initialize the handler and fetch all changes
 */
$handler = new FetchHandler();
$handler->fetch();

?>