Check PHP requirement without Box

.github/workflows/continuous-integration.yml

@@ -220,7 +220,7 @@ jobs:
         with:
           coverage: "none"
           ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
-          php-version: "7.2"
+          php-version: "8.0"
           tools: composer:v2
 
       - name: Get composer cache directory
@@ -257,7 +257,7 @@ jobs:
           path: ./churn.phar
           if-no-files-found: error
 
-  tests-oldphp:
+  tests-phar-oldphp:
     name: "Test Phar error message with PHP ${{ matrix.php-version }}"
     runs-on: ubuntu-latest
     # We need the phar file
@@ -291,5 +291,43 @@ jobs:
 
       - name: Test churn.phar error message
         run: |
-          php -r "passthru('./churn.phar', \$code); if (\$code !== 1) exit('Invalid error code. Expected 1, got ' . \$code);" > error
+          php -r "passthru('./churn.phar', \$code); if (\$code !== 1) exit('Invalid error code. Expected 1, got ' . \$code);" &> error
+          echo "Error code is OK. Now testing error message..."
           grep 'The application requires the version ">=7.1.3" or greater' error
+          echo "Everything is OK."
+
+
+  tests-phar:
+    name: "Test Phar with PHP ${{ matrix.php-version }}"
+    runs-on: ubuntu-latest
+    # We need the phar file
+    needs: [build]
+
+    strategy:
+      matrix:
+        php-version:
+          - "7.1"
+          - "8.1"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          ini-values: "error_reporting=-1, display_errors=On, display_startup_errors=On, zend.assertions=1"
+          php-version: ${{ matrix.php-version }}
+          tools: none
+
+      - name: Download churn.phar
+        uses: actions/download-artifact@v2
+        with:
+          name: churn.phar
+
+      - name: Make churn.phar executable
+        run: chmod +x churn.phar
+
+      - name: "Run Phar"
+        run: ./churn.phar

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
-          php-version: "7.4"
+          php-version: "8.0"
           tools: composer:v2
 
       - name: "Print tag message"

Makefile

@@ -17,7 +17,7 @@ help:
 .PHONY: box
 box:	## Download box.phar
 box:
-	test -e build/box.phar || curl -sL https://github.com/box-project/box/releases/download/3.9.1/box.phar -o build/box.phar
+	test -e build/box.phar || curl -sL https://github.com/box-project/box/releases/download/3.14.0/box.phar -o build/box.phar
 	chmod +x build/box.phar
 
 .PHONY: build

bin/app.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+use Churn\Command\AssessComplexityCommand;
+use Churn\Command\RunCommand;
+use Composer\InstalledVersions;
+use Symfony\Component\Console\Application;
+
+$application = new Application('churn-php', (function (string $package): string {
+    $version = InstalledVersions::getPrettyVersion($package);
+    $ref = InstalledVersions::getReference($package);
+    if ($ref) {
+        $version .= '@' . \substr($ref, 0, 7);
+    }
+
+    return $version;
+})('bmitch/churn-php'));
+$application->add(new AssessComplexityCommand());
+$application->add($run = RunCommand::newInstance());
+$application->setDefaultCommand($run->getName());
+
+return $application;

bin/churn

@@ -1,23 +1,35 @@
 #!/usr/bin/env php
 <?php
 
-require_once __DIR__ . '/bootstrap.php';
+if (!version_compare(PHP_VERSION, PHP_VERSION, '=')) {
+    fwrite(
+        STDERR,
+        sprintf(
+            '%s declares an invalid value for PHP_VERSION.' . PHP_EOL .
+            'This breaks fundamental functionality such as version_compare().' . PHP_EOL .
+            'Please use a different PHP interpreter.' . PHP_EOL,
+            PHP_BINARY
+        )
+    );
+
+    die(1);
+}
 
-use Churn\Command\AssessComplexityCommand;
-use Churn\Command\RunCommand;
-use Composer\InstalledVersions;
-use Symfony\Component\Console\Application;
+if (version_compare('7.1.3', PHP_VERSION, '>=')) {
+    fwrite(
+        STDERR,
+        sprintf(
+            'The application requires the version ">=7.1.3" or greater.' . PHP_EOL .
+            'You are using PHP %s (%s).' . PHP_EOL,
+            PHP_VERSION,
+            PHP_BINARY
+        )
+    );
 
-$application = new Application('churn-php', (function (string $package): string {
-    $version = InstalledVersions::getPrettyVersion($package);
-    $ref = InstalledVersions::getReference($package);
-    if ($ref) {
-        $version .= '@' . \substr($ref, 0, 7);
-    }
+    die(1);
+}
+
+require_once __DIR__ . '/bootstrap.php';
 
-    return $version;
-})('bmitch/churn-php'));
-$application->add(new AssessComplexityCommand());
-$application->add($run = RunCommand::newInstance());
-$application->setDefaultCommand($run->getName());
+$application = require_once __DIR__ . '/app.php';
 $application->run();

box.json.dist

@@ -1,4 +1,5 @@
 {
+    "check-requirements": false,
     "compactors": [
         "KevinGH\\Box\\Compactor\\Php"
     ],