Initial commit of installer

.gitignore

@@ -0,0 +1 @@
+/vendor/

composer.json

@@ -0,0 +1,27 @@
+{
+    "name": "tractorcow/recipe-installer",
+    "description": "Helper plugin to install SilverStripe recipes",
+    "type": "composer-plugin",
+    "license": "BSD-3-Clause",
+    "authors": [
+        {
+            "name": "Damian Mooyman",
+            "email": "damian@silverstripe.com"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "SilverStripe\\RecipeInstaller\\": "src/"
+        }
+    },
+    "extra": {
+        "class": "SilverStripe\\RecipeInstaller\\RecipeInstallerPlugin"
+    },
+    "require": {
+        "composer-plugin-api": "^1.1"
+    },
+    "require-dev": {
+        "composer/composer": "^1.2"
+    },
+    "minimum-stability": "dev"
+}

src/RecipeInstaller.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace SilverStripe\RecipeInstaller;
+
+use Composer\Installer\BinaryInstaller;
+use Composer\Installer\LibraryInstaller;
+use Composer\Composer;
+use Composer\IO\IOInterface;
+use Composer\Package\PackageInterface;
+use Composer\Repository\InstalledRepositoryInterface;
+use Composer\Util\Filesystem;
+
+class RecipeInstaller extends LibraryInstaller {
+    public function __construct(
+        IOInterface $io,
+        Composer $composer,
+        $type = 'silverstripe-recipe',
+        Filesystem $filesystem = null,
+        BinaryInstaller $binaryInstaller = null
+    ) {
+        parent::__construct($io, $composer, $type, $filesystem, $binaryInstaller);
+    }
+
+    public function install(InstalledRepositoryInterface $repo, PackageInterface $package)
+    {
+        parent::install($repo, $package);
+
+        // Install recipe skeleton
+        var_dump($package);
+        var_dump($this->getInstallPath($package));
+        var_dump($package->getExtra());
+        var_dump($repo);
+    }
+}

src/RecipeInstallerPlugin.php

@@ -0,0 +1,27 @@
+<?php
+
+
+namespace SilverStripe\RecipeInstaller;
+
+use Composer\Composer;
+use Composer\IO\IOInterface;
+use Composer\Plugin\PluginInterface;
+
+/**
+ * Register the RecipeInstaller
+ */
+class RecipeInstallerPlugin implements PluginInterface
+{
+
+    /**
+     * Apply plugin modifications to Composer
+     *
+     * @param Composer $composer
+     * @param IOInterface $io
+     */
+    public function activate(Composer $composer, IOInterface $io)
+    {
+        $installer = new RecipeInstaller($io, $composer);
+        $composer->getInstallationManager()->addInstaller($installer);
+    }
+}