Add 'include-path' option to PEAR packages

src/Composer/Repository/PearRepository.php

@@ -163,6 +163,7 @@ class PearRepository extends ArrayRepository
                     'autoload' => array(
                         'classmap' => array(''),
                     ),
+                    'include-path' => array('/'),
                 );
 
                 try {
@@ -305,6 +306,7 @@ class PearRepository extends ArrayRepository
                 'autoload' => array(
                     'classmap' => array(''),
                 ),
+                'include-path' => array('/'),
             );
             $packageKeys = array('l' => 'license', 'd' => 'description');
             foreach ($packageKeys as $pear => $composer) {

tests/Composer/Test/Repository/PearRepositoryTest.php

@@ -12,7 +12,6 @@
 
 namespace Composer\Repository;
 
-use Composer\Repository\FilesystemRepository;
 use Composer\Test\TestCase;
 
 /**
@@ -30,6 +29,30 @@ class PearRepositoryTest extends TestCase
      */
     private $remoteFilesystem;
 
+    public function testComposerNonCompatibleRepositoryShouldSetIncludePath()
+    {
+        $url = 'pear.phpmd.org';
+        $expectedPackages = array(
+            array('name' => 'pear-phpmd/PHP_PMD', 'version' => '1.3.3'),
+        );
+
+        $repoConfig = array(
+            'url' => $url
+        );
+
+        $this->createRepository($repoConfig);
+
+        foreach ($expectedPackages as $expectedPackage) {
+            $package = $this->repository->findPackage($expectedPackage['name'], $expectedPackage['version']);
+            $this->assertInstanceOf('Composer\Package\PackageInterface',
+                $package,
+                'Expected package ' . $expectedPackage['name'] . ', version ' . $expectedPackage['version'] .
+                ' not found in pear channel ' . $url
+            );
+            $this->assertSame(array('/'), $package->getIncludePaths());
+        }
+    }
+
     /**
      * @dataProvider repositoryDataProvider
      * @param string $url