Version.php
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Version.php
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	<?php
	/*
	* This file is part of sebastian/version.
	*
	* (c) Sebastian Bergmann <sebastian@phpunit.de>
	*
	* For the full copyright and license information, please view the LICENSE
	* file that was distributed with this source code.
	*/

	namespace SebastianBergmann;

	final class Version
	{
	/**
	* @var string
	*/
	private $path;

	/**
	* @var string
	*/
	private $release;

	/**
	* @var string
	*/
	private $version;

	public function __construct(string $release, string $path)
	{
	$this->release = $release;
	$this->path = $path;
	}

	public function getVersion(): string
	{
	if ($this->version === null) {
	if (\substr_count($this->release, '.') + 1 === 3) {
	$this->version = $this->release;
	} else {
	$this->version = $this->release . '-dev';
	}

	$git = $this->getGitInformation($this->path);

	if ($git) {
	if (\substr_count($this->release, '.') + 1 === 3) {
	$this->version = $git;
	} else {
	$git = \explode('-', $git);

	$this->version = $this->release . '-' . \end($git);
	}
	}
	}

	return $this->version;
	}

	/**
	* @return bool\|string
	*/
	private function getGitInformation(string $path)
	{
	if (!\is_dir($path . DIRECTORY_SEPARATOR . '.git')) {
	return false;
	}

	$process = \proc_open(
	'git describe --tags',
	[
	1 => ['pipe', 'w'],
	2 => ['pipe', 'w'],
	],
	$pipes,
	$path
	);

	if (!\is_resource($process)) {
	return false;
	}

	$result = \trim(\stream_get_contents($pipes[1]));

	\fclose($pipes[1]);
	\fclose($pipes[2]);

	$returnCode = \proc_close($process);

	if ($returnCode !== 0) {
	return false;
	}

	return $result;
	}
	}