Fix variables leaking from config file scope breaking codegen (#15)

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [3.0.1] - 2017-12-01
+
+### Changed
+- Fixed minor issue where variables with certain names defined in the included configuration container's file could impact the code generation scripts
+- Fixed issue in generated front controller where config file would be loaded twice
+
 ## [3.0.0] - 2017-12-01
 
 ### Summary of Breaking Changes

bin/generate_front_controller

@@ -49,7 +49,7 @@ set_exception_handler([$handler, 'handleThrowable']);
 
 
 $response = (new Dispatcher())
-    ->setContainer(%s)
+    ->setContainer($config)
     ->setEndpointList('__endpoint_list__.json')
     ->setParserList('__parser_list__.json')
     ->setRequest(ServerRequestFactory::fromGlobals())
@@ -70,7 +70,6 @@ $container = array_key_exists('container', $config)
 $fc = sprintf(
     $template,
     resolveProjectRoot($config['webroot']),
-    $container,
     $container
 );
 

bin/load_config.php

@@ -1,6 +1,7 @@
 <?php
 declare(strict_types=1);
 
+use Psr\Container\ContainerInterface;
 use SimpleLogger\Stderr;
 
 $root = __DIR__;
@@ -65,8 +66,15 @@
         $stderr->error(".apiconfig[container] must point to a file returning a PSR-11 container");
         exit(1);
     }
-    $container = require $config['container'];
-    if (!$container instanceof Psr\Container\ContainerInterface) {
+
+    // Require the container file in a closure to avoid any variable scope
+    // leaking into the current context.
+    $load = function (string $path): ContainerInterface {
+        return require $path;
+    };
+    try {
+        $container = $load($config['container']);
+    } catch (TypeError $e) {
         $stderr->error(".apiconfig[container] must point to a file returning a PSR-11 container");
         exit(1);
     }