Add split package validation.

contrib/validate-split-packages.php

@@ -0,0 +1,105 @@
+#!/usr/bin/php -q
+<?php
+declare(strict_types=1);
+
+/*
+ * Compare split packages' composer.json with ROOT composer.json in regard to dependency constraints.
+ */
+
+use Cake\Utility\Inflector;
+
+$options = [
+    __DIR__ . '/../vendor/autoload.php',
+    __DIR__ . '/vendor/autoload.php',
+];
+if (!empty($_SERVER['PWD'])) {
+    array_unshift($options, $_SERVER['PWD'] . '/vendor/autoload.php');
+}
+
+foreach ($options as $file) {
+    if (file_exists($file)) {
+        define('COMPOSER_INSTALL', $file);
+
+        break;
+    }
+}
+require COMPOSER_INSTALL;
+
+$path = dirname(__DIR__) . DS . 'src' . DS;
+$di = new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::SKIP_DOTS);
+$iterator = new RecursiveIteratorIterator($di, RecursiveIteratorIterator::LEAVES_ONLY);
+/** @var array<\SplFileInfo> $iterator */
+$iterator = new RegexIterator($iterator, '~composer.json$~');
+
+$packages = [];
+$code = 0;
+foreach ($iterator as $file) {
+    $filePath = $file->getPath();
+    $package = substr($filePath, strrpos($filePath, '/') + 1);
+    if ($package === 'ORM') {
+        $fullName = 'cakephp/orm';
+    } else {
+        $fullName = 'cakephp/' . Inflector::dasherize($package);
+    }
+    $packages[$fullName] = $package;
+}
+ksort($packages);
+
+$mainJsonContent = file_get_contents(dirname(__FILE__, 2) . DS . 'composer.json');
+$mainJson = json_decode($mainJsonContent, true);
+$mainReplace = $mainJson['replace'];
+$missing = [];
+foreach ($packages as $fullPackageName => $package) {
+    if (!empty($mainReplace[$fullPackageName])) {
+        unset($mainReplace[$fullPackageName]);
+
+        continue;
+    }
+
+    $missing[] = $package;
+}
+if (!empty($mainReplace)) {
+    echo "\033[31m" . ' * Missing "replace" statement in ROOT composer.json for package `' . $package . '`' . "\033[0m" . PHP_EOL;
+    $code = 1;
+}
+if (!empty($missing)) {
+    echo "\033[31m" . ' * Extra "replace" statement in ROOT composer.json for non-existent package(s) `' . implode(', ', $missing)  . '`' . "\033[0m" . PHP_EOL;
+    $code = 1;
+}
+
+$mainRequire = $mainJson['require'];
+
+$issues = [];
+foreach ($packages as $fullPackageName => $package) {
+    $content = file_get_contents($path . $package . DS . 'composer.json');
+    $json = json_decode($content, true);
+    $require = $json['require'] ?? [];
+
+    foreach ($require as $packageName => $constraint) {
+        if (isset($packages[$packageName])) {
+            continue;
+        }
+
+        if (!isset($mainRequire[$packageName])) {
+            $issues[$package][] = 'Missing package requirement `' . $packageName . ': ' . $constraint . '` in ROOT composer.json';
+
+            continue;
+        }
+
+        if ($mainRequire[$packageName] !== $constraint) {
+            $issues[$package][] = 'Package requirement `' . $packageName . ': ' . $constraint . '` does not match the one in ROOT composer.json (`' . $mainRequire[$packageName] . '`)';
+        }
+    }
+}
+
+if ($issues) {
+    foreach ($issues as $packageName => $packageIssues) {
+        echo "\033[31m" . $packageName  . ':' . "\033[0m" . PHP_EOL;
+        foreach ($packageIssues as $issue) {
+            echo "\033[31m" . ' - ' . $issue  . "\033[0m" . PHP_EOL;
+            $code = 1;
+        }
+    }
+}
+
+exit($code);