From 10b075af191f7eba245431faba2e5f24ed56583d Mon Sep 17 00:00:00 2001
From: Steve Buzonas <steve@fancyguy.com>
Date: Tue, 8 Jan 2013 01:43:33 -0500
Subject: [PATCH] Added Common Installer, implemented new extra for webroot,
 created test cases for new package configuration.

---
 src/Composer/Installers/BaseInstaller.php     |  6 ++++
 src/Composer/Installers/CommonInstaller.php   |  9 +++++
 src/Composer/Installers/Installer.php         |  3 +-
 .../Installers/Test/InstallerTest.php         | 34 +++++++++++++++++++
 4 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 src/Composer/Installers/CommonInstaller.php

diff --git a/src/Composer/Installers/BaseInstaller.php b/src/Composer/Installers/BaseInstaller.php
index b6dbe362..d876a70f 100644
--- a/src/Composer/Installers/BaseInstaller.php
+++ b/src/Composer/Installers/BaseInstaller.php
@@ -42,6 +42,7 @@ public function getInstallPath(PackageInterface $package, $frameworkType = '')
         }
 
         $availableVars = $this->inflectPackageVars(compact('name', 'vendor', 'type'));
+        $availableVars['webroot'] = '';
 
         $extra = $package->getExtra();
         if (!empty($extra['installer-name'])) {
@@ -50,12 +51,17 @@ public function getInstallPath(PackageInterface $package, $frameworkType = '')
 
         if ($this->composer->getPackage()) {
             $extra = $this->composer->getPackage()->getExtra();
+            if (!empty($extra['installer-webroot'])) {
+                $availableVars['webroot'] = $extra['installer-webroot'];
+            }
             if (!empty($extra['installer-paths'])) {
                 $customPath = $this->mapCustomInstallPaths($extra['installer-paths'], $prettyName);
                 if ($customPath !== false) {
                     return $this->templatePath($customPath, $availableVars);
                 }
             }
+        } elseif ('common-webroot' === $type) {
+            throw new \InvalidArgumentException(sprintf('Package "%s" requires "installer-webroot" to be configured', $prettyName));
         }
 
         $packageType = substr($type, strlen($frameworkType) + 1);
diff --git a/src/Composer/Installers/CommonInstaller.php b/src/Composer/Installers/CommonInstaller.php
new file mode 100644
index 00000000..6c1e23c5
--- /dev/null
+++ b/src/Composer/Installers/CommonInstaller.php
@@ -0,0 +1,9 @@
+<?php
+namespace Composer\Installers;
+
+class CommonInstaller extends BaseInstaller
+{
+    protected $locations = array(
+        'webroot'    => '{$webroot}/',
+    );
+}
diff --git a/src/Composer/Installers/Installer.php b/src/Composer/Installers/Installer.php
index 04565b2f..017dcb8c 100644
--- a/src/Composer/Installers/Installer.php
+++ b/src/Composer/Installers/Installer.php
@@ -30,7 +30,8 @@ class Installer extends LibraryInstaller
         'symfony1'     => 'Symfony1Installer',
         'wordpress'    => 'WordPressInstaller',
         'zend'         => 'ZendInstaller',
-        'typo3-flow'   => 'TYPO3FlowInstaller'
+        'typo3-flow'   => 'TYPO3FlowInstaller',
+        'common'       => 'CommonInstaller'
     );
 
     /**
diff --git a/tests/Composer/Installers/Test/InstallerTest.php b/tests/Composer/Installers/Test/InstallerTest.php
index 5faec52d..7b23bbbc 100644
--- a/tests/Composer/Installers/Test/InstallerTest.php
+++ b/tests/Composer/Installers/Test/InstallerTest.php
@@ -178,6 +178,40 @@ public function testGetCakePHPInstallPathException()
         $package->setType('cakephp-whoops');
         $result = $installer->getInstallPath($package);
     }
+    
+    /**
+     * testCommonWebrootPackage
+     */
+    public function testCommonWebrootPackage()
+    {
+        $installer = new Installer($this->io, $this->composer);
+        $package = new Package('slbmeh/my_application', '1.0.0', '1.0.0');
+        
+        $package->setType('common-webroot');
+        $consumerPackage = new RootPackage('foo/bar', '1.0.0', '1.0.0');
+        $this->composer->setPackage($consumerPackage);
+        $consumerPackage->setExtra(array(
+            'installer-webroot' => 'webroot'
+        ));
+        $result = $installer->getInstallPath($package);
+        $this->assertEquals('webroot/', $result);
+    }
+
+    /**
+     * testCommonWebrootPackage
+     * 
+     * @return void
+     * 
+     * @expectedException \InvalidArgumentException
+     */
+    public function testCommonWebrootPathException()
+    {
+        $installer = new Installer($this->io, $this->composer);
+        $package = new Package('slbmeh/my_application', '1.0.0', '1.0.0');
+        
+        $package->setType('common-webroot');
+        $result = $installer->getInstallPath($package);
+    }
 
     /**
      * testCustomInstallPath