ArcanistVersionWorkflow.php
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ArcanistVersionWorkflow.php
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	<?php

	/**
	* Display the current version of Arcanist.
	*/
	final class ArcanistVersionWorkflow extends ArcanistBaseWorkflow {

	public function getWorkflowName() {
	return 'version';
	}

	public function getCommandSynopses() {
	return phutil_console_format(<<<EOTEXT
	version [__options__]
	EOTEXT
	);
	}

	public function getCommandHelp() {
	return phutil_console_format(pht(<<<EOTEXT
	Supports: cli
	Shows the current version of arcanist.
	EOTEXT
	));
	}

	public function run() {
	$console = PhutilConsole::getConsole();

	if (!Filesystem::binaryExists('git')) {
	throw new ArcanistUsageException(
	'Cannot display current version without having `git` installed.');
	}

	$roots = array(
	'arcanist' => dirname(phutil_get_library_root('arcanist')),
	'libphutil' => dirname(phutil_get_library_root('phutil')),
	);

	foreach ($roots as $lib => $root) {
	$working_copy = ArcanistWorkingCopyIdentity::newFromPath($root);
	$configuration_manager = clone $this->getConfigurationManager();
	$configuration_manager->setWorkingCopyIdentity($working_copy);
	$repository = ArcanistRepositoryAPI::newAPIFromConfigurationManager(
	$configuration_manager);

	if (!Filesystem::pathExists($repository->getMetadataPath())) {
	throw new ArcanistUsageException("{$lib} is not a git working copy.");
	}

	list($stdout) = $repository->execxLocal('log -1 --format=%s', '%H %ct');
	list($commit, $timestamp) = explode(' ', $stdout);

	$console->writeOut("%s %s (%s)\n",
	$lib,
	$commit,
	date('j M Y', (int)$timestamp));
	}
	}

	}