WIP

LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2015 Helmut Hummel
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

composer.json

@@ -1,5 +1,32 @@
 {
+    "name": "helhum/dotenv-connector",
+    "type": "composer-plugin",
+    "license": "MIT",
+    "description": "Makes it possible to set environment variables for composer projects using dotenv",
+    "keywords": [
+        "composer", "env", "12factor", "dotenv"
+    ],
+    "homepage": "http://github.com/helhum/dotenv-connector",
+    "authors": [
+        {
+            "name": "Helmut Hummel",
+            "email": "[email protected]"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Helhum\\DotEnvConnector\\": "src/"
+        }
+    },
     "require": {
-        "josegonzalez/dotenv": "^1.0"
+        "php": ">=5.3.7",
+        "composer-plugin-api": "^1.0",
+        "vlucas/phpdotenv": "^2.0.1"
+    },
+    "extra": {
+        "class": "Helhum\\DotEnvConnector\\Plugin",
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
     }
 }

src/Plugin.php

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+<?php
+namespace Helhum\DotEnvConnector;
+
+/*
+ * This file is part of the class alias loader package.
+ *
+ * (c) Helmut Hummel <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Composer\Composer;
+use Composer\Config;
+use Composer\EventDispatcher\EventSubscriberInterface;
+use Composer\IO\IOInterface;
+use Composer\Plugin\PluginInterface;
+use Composer\Script\ScriptEvents;
+use TYPO3\CMS\Composer\Plugin\Util\Filesystem;
+
+/**
+ * Class Plugin
+ */
+class Plugin implements PluginInterface, EventSubscriberInterface
+{
+    /**
+     * @var Composer
+     */
+    protected $composer;
+
+    /**
+     * @var IOInterface
+     */
+    protected $io;
+
+    /**
+     * @var string
+     */
+    protected $baseDir;
+
+    /**
+     * Apply plugin modifications to composer
+     *
+     * @param Composer $composer
+     * @param IOInterface $io
+     */
+    public function activate(Composer $composer, IOInterface $io)
+    {
+        $this->composer = $composer;
+        $this->io = $io;
+        $this->baseDir = substr($this->composer->getConfig()->get('vendor-dir'), 0, -strlen($this->composer->getConfig()->get('vendor-dir', Config::RELATIVE_PATHS)));
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public static function getSubscribedEvents() {
+        return array(
+            ScriptEvents::POST_AUTOLOAD_DUMP => array('onPostAutoloadDump')
+        );
+    }
+
+    /**
+     * Plugin callback for this script event, which calls the previously implemented static method
+     *
+     * @param \Composer\Script\Event $event
+     * @return bool
+     */
+    public function onPostAutoloadDump(\Composer\Script\Event $event)
+    {
+        $filesystem = new Filesystem();
+        if (!file_exists($this->baseDir . '.env')) {
+            return;
+        }
+        $pathToRootCode = $filesystem->findShortestPathCode($this->composer->getConfig()->get('vendor-dir') . '/foo', $this->baseDir);
+        var_dump($pathToRootCode);
+        $code = "(new \\Dotenv\\Dotenv($pathToRootCode))->load();\n";
+        $this->insertCode($code);
+    }
+
+    /**
+     * @param string $code
+     */
+    protected function insertCode($code) {
+        $composerConfig = $this->composer->getConfig();
+        $vendorDir = $composerConfig->get('vendor-dir');
+        $autoloadFile = $vendorDir . '/autoload.php';
+        if (!file_exists($autoloadFile)) {
+            throw new \RuntimeException(sprintf(
+                'Could not adjust autoloader: The file %s was not found.',
+                $autoloadFile
+            ));
+        }
+
+        $this->io->write('<info>Inserting dotenv initialization into main autoload file</info>');
+
+        // Regex modifiers:
+        // "m": \s matches newlines
+        // "D": $ matches at EOF only
+        // Translation: insert before the last "return" in the file
+        $contents = preg_replace('/\n(?=return [^;]+;\s*$)/mD', "\n" . $code, file_get_contents($autoloadFile));
+        file_put_contents($autoloadFile, $contents);
+    }
+
+}