From 35351fe156c3e0962d6e4514762dbd8dd8626b4f Mon Sep 17 00:00:00 2001
From: Tomas Votruba <tomas.vot@gmail.com>
Date: Sun, 29 May 2022 22:31:20 +0200
Subject: [PATCH] resolve rector verison in own command

---
 .github/workflows/build_scoped_rector.yaml |  3 ++
 bin/resolve-version.php                    | 56 ++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100755 bin/resolve-version.php

diff --git a/.github/workflows/build_scoped_rector.yaml b/.github/workflows/build_scoped_rector.yaml
index b6701e12c4b..0f8199c881d 100644
--- a/.github/workflows/build_scoped_rector.yaml
+++ b/.github/workflows/build_scoped_rector.yaml
@@ -48,6 +48,9 @@ jobs:
             # install only prod dependencies - do not use ramsey, it uses cache including "dev", we want to avoid it here
             -   run: composer install --no-dev --ansi
 
+            # resolve rector version
+            -   run: bin/resolve-version.php
+
             # early downgrade individual functions
             -   run: bin/rector process src/functions -c build/config/config-downgrade.php --ansi
 
diff --git a/bin/resolve-version.php b/bin/resolve-version.php
new file mode 100755
index 00000000000..a7d2796ec7f
--- /dev/null
+++ b/bin/resolve-version.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+// resolve git version stored in released rector
+// tag for tagged one, hash for dev
+
+/**
+ * Inspired by https://github.com/composer/composer/blob/master/src/Composer/Composer.php
+ * See https://github.com/composer/composer/blob/6587715d0f8cae0cd39073b3bc5f018d0e6b84fe/src/Composer/Compiler.php#L208
+ *
+ * @see \Rector\Core\Tests\Application\VersionResolverTest
+ */
+final class VersionResolver
+{
+    /**
+     * @var int
+     */
+    private const SUCCESS_CODE = 0;
+
+    public function resolve(): string
+    {
+        // resolve current tag
+        exec('git tag --points-at', $tagExecOutput, $tagExecResultCode);
+
+        if ($tagExecResultCode !== self::SUCCESS_CODE) {
+            die('Ensure to run compile from composer git repository clone and that git binary is available.');
+        }
+
+        // debug output
+        var_dump($tagExecOutput);
+
+        if ($tagExecOutput !== []) {
+            $tag = $tagExecOutput[0];
+            if ($tag !== '') {
+                return $tag;
+            }
+        }
+
+        exec('git log --pretty="%H" -n1 HEAD', $commitHashExecOutput, $commitHashResultCode);
+
+        if ($commitHashResultCode !== 0) {
+            die('Ensure to run compile from composer git repository clone and that git binary is available.');
+        }
+
+        // debug output
+        var_dump($commitHashExecOutput);
+
+        $version = trim($commitHashExecOutput[0]);
+        return trim($version, '"');
+    }
+}
+
+
+$versionResolver = new VersionResolver();
+echo $versionResolver->resolve() . PHP_EOL;