gistfile1.txt

#!/usr/bin/php
<?php
ini_set('display_errors', 1);
error_reporting(E_ALL ^ E_STRICT);

define('FLOW_PATH_ROOT', __DIR__ . DIRECTORY_SEPARATOR);
define('FLOW_PATH_PACKAGES', FLOW_PATH_ROOT . 'Packages' . DIRECTORY_SEPARATOR);

class Gerrit {

  /**
	 * @var array
	 */
	static protected $colors = array(
		'green' => '0;32',
		'red' => '0;31',
		'yellow' => '0;33'
	);

	static public function checkoutGerritCommitDependenciesCommand($commitMessage) {
		if (stripos($commitMessage, 'Depends:') !== FALSE) {
			preg_match_all('/
				Depends:[ ]?
				((?P<packageKey>[a-z0-9]*\.[a-z0-9\.]*)\/)?
				(?P<changeId>I[a-z0-9]*)
				(\/(?P<branch>[^\n]*))?
				/xi', $commitMessage, $matches
			);

			foreach ($matches['changeId'] as $index => $changeId) {
				self::checkoutChange($changeId, $matches['branch'][$index], $matches['packageKey'][$index]);
			}
		}
	}

	static protected function checkoutChange($changeId, $branch = 'master', $packageKey = NULL) {
		$typeDirs = scandir(FLOW_PATH_PACKAGES);
		$packagePaths = array('buildessentials' => 'Build/BuildEssentials');
		foreach ($typeDirs as $typeDir) {
			if (is_dir(FLOW_PATH_PACKAGES . $typeDir) && substr($typeDir, 0, 1) !== '.') {
				$typeDir = FLOW_PATH_PACKAGES . $typeDir . '/';
				$packageDirs = scandir($typeDir);
				foreach ($packageDirs as $packageDir) {
					if (is_dir($typeDir . $packageDir) && substr($packageDir, 0, 1) !== '.') {
						$packagePaths[strtolower($packageDir)] = $typeDir . $packageDir;
					}
				}
			}
		}

		$changeInformation = self::fetchChangeInformation($changeId);
		if (empty($changeInformation)) {
			// TODO: display error
			return;
		}

		if (empty($packageKey)) {
			try {
				$composerConfig = json_decode(file_get_contents('https://git.typo3.org/' . $changeInformation->project . '.git/blob_plain/HEAD:/composer.json'));
				$packageKey = str_replace(array('/', '-'), '.', $composerConfig->name);
			} catch(\Exception $exception) {
				// Some error
			}
		}

		$packageKey = strtolower($packageKey);

		if (!isset($packagePaths[$packageKey])) {
			echo self::colorize('The Package ' . $packageKey . ' is not installed', 'red') . PHP_EOL;
			return;
		}

		chdir($packagePaths[$packageKey]);

		echo self::colorize($packageKey . ': ' . $changeInformation->subject, 'green') . PHP_EOL;

		if ($changeInformation->status == 'MERGED') {
			echo self::colorize('This change has been merged!', 'yellow') . PHP_EOL;
		} elseif ($changeInformation->status == 'ABANDONED') {
			echo self::colorize('This change has been abandoned!', 'red') . PHP_EOL;
		} else {
			$commits = self::executeShellCommand('git log -n30');
			$command = 'git fetch --quiet git://review.typo3.org/' . $changeInformation->project . ' ' . $changeInformation->revisions->{$changeInformation->current_revision}->fetch->git->ref . '';
			$output = self::executeShellCommand($command);

			$commit = self::executeShellCommand('git log --format="%H" -n1 FETCH_HEAD');
			if (self::isAlreadyPicked($commit, $commits)) {
				echo self::colorize('Already picked', 'yellow') . PHP_EOL;
			} else {
				echo $output;
				system('git cherry-pick -x --strategy=recursive -X theirs FETCH_HEAD');
			}
		}

		echo PHP_EOL;
		chdir(FLOW_PATH_ROOT);
	}

	/**
	 * @param string $commit
	 * @param string $commits
	 * @return boolean
	 */
	static protected function isAlreadyPicked($commit, $commits) {
		return stristr($commits, '(cherry picked from commit ' . $commit . ')') !== FALSE;
	}

	/**
	 * @param string $command
	 * @return string
	 */
	static protected function executeShellCommand($command) {
		$output = '';
		$fp = popen($command, 'r');
		while (($line = fgets($fp)) !== FALSE) {
			$output .= $line;
		}
		pclose($fp);
		return trim($output);
	}

	/**
	 * @param string $text
	 * @param string $color Allowed values: green, red, yellow
	 * @return string
	 */
	static protected function colorize($text, $color) {
		return sprintf("\033[%sm%s\033[0m", self::$colors[$color], $text);
	}

	/**
	 * @param integer $changeId The numeric change id, not the hash
	 * @return mixed
	 */
	static protected function fetchChangeInformation($changeId) {
		$output = file_get_contents('https://review.typo3.org/changes/?format=JSON_COMPACT&q=' . $changeId . '&o=CURRENT_REVISION');

		// Remove first line
		$output = substr($output, strpos($output, "\n") + 1);
		// trim []
		$output = ltrim($output, '[');
		$output = rtrim(rtrim($output), ']');

		$data = json_decode($output);
		return $data;
	}

}


/**
 * Feed it with some commit message like $commitMessage = shell_exec('git log -1 --pretty=%B')
 */
Gerrit::checkoutGerritCommitDependenciesCommand(getenv('COMMIT_MESSAGE'));

?>

[TASK] Commit message

Resolves: #123
Depends: TYPO3.Flow/I23a1ef064fc542d6fd20a101e43c2400ce40ab86/master
Depends: TYPO3.Neos/I8e5ea1aa0fdb80057b075d29ff84259dd23f4b60
Depends: TYPO3.TYPO3CR/I8700ce155cf929eddb5a046d6362209f796e6b81

[TASK] Commit message

Resolves: #123
Depends: I23a1ef064fc542d6fd20a101e43c2400ce40ab86
Depends: I8e5ea1aa0fdb80057b075d29ff84259dd23f4b60
Depends: I8700ce155cf929eddb5a046d6362209f796e6b81