first commit - working

vendor/sebastian/version/src/Version.php

@@ -0,0 +1,97 @@
+<?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;
+    }
+}