diff --git a/src/Composer/Downloader/GitDownloader.php b/src/Composer/Downloader/GitDownloader.php
index 590d43068..e90357d04 100644
--- a/src/Composer/Downloader/GitDownloader.php
+++ b/src/Composer/Downloader/GitDownloader.php
@@ -380,7 +380,8 @@ class GitDownloader extends VcsDownloader
     {
         // set push url for github projects
         if (preg_match('{^(?:https?|git)://github.com/([^/]+)/([^/]+?)(?:\.git)?$}', $package->getSourceUrl(), $match)) {
-            $pushUrl = 'git@github.com:'.$match[1].'/'.$match[2].'.git';
+            $protocols = $this->config->get('github-protocols');
+            $pushUrl = $protocols[0] === 'git' ? 'git@github.com:'.$match[1].'/'.$match[2].'.git' : $package->getSourceUrl();
             $cmd = sprintf('git remote set-url --push origin %s', escapeshellarg($pushUrl));
             $this->process->execute($cmd, $ignoredOutput, $path);
         }
diff --git a/src/Composer/Repository/ArtifactRepository.php b/src/Composer/Repository/ArtifactRepository.php
index 7910d62f7..869e4757f 100644
--- a/src/Composer/Repository/ArtifactRepository.php
+++ b/src/Composer/Repository/ArtifactRepository.php
@@ -47,7 +47,11 @@ class ArtifactRepository extends ArrayRepository
     private function scanDirectory($path)
     {
         $io = $this->io;
-        foreach (new \RecursiveDirectoryIterator($path) as $file) {
+
+        $directory = new \RecursiveDirectoryIterator($path);
+        $iterator = new \RecursiveIteratorIterator($directory);
+        $regex = new \RegexIterator($iterator, '/^.+\.(zip|phar)$/i');
+        foreach ($regex as $file) {
             /* @var $file \SplFileInfo */
             if (!$file->isFile()) {
                 continue;
diff --git a/tests/Composer/Test/Downloader/GitDownloaderTest.php b/tests/Composer/Test/Downloader/GitDownloaderTest.php
index 842a8d3f0..a01a422dd 100644
--- a/tests/Composer/Test/Downloader/GitDownloaderTest.php
+++ b/tests/Composer/Test/Downloader/GitDownloaderTest.php
@@ -137,7 +137,19 @@ class GitDownloaderTest extends \PHPUnit_Framework_TestCase
         $downloader->download($packageMock, 'composerPath');
     }
 
-    public function testDownloadUsesCustomVariousProtocolsForGithub()
+    public function pushUrlProvider()
+    {
+        return array(
+            array('git', 'git@github.com:composer/composer.git'),
+            array('https', 'https://github.com/composer/composer'),
+            array('http', 'https://github.com/composer/composer')
+        );
+    }
+
+    /**
+     * @dataProvider pushUrlProvider
+     */
+    public function testDownloadAndSetPushUrlUseCustomVariousProtocolsForGithub($protocol, $pushUrl)
     {
         $packageMock = $this->getMock('Composer\Package\PackageInterface');
         $packageMock->expects($this->any())
@@ -151,18 +163,24 @@ class GitDownloaderTest extends \PHPUnit_Framework_TestCase
             ->will($this->returnValue('1.0.0'));
         $processExecutor = $this->getMock('Composer\Util\ProcessExecutor');
 
-        $expectedGitCommand = $this->winCompat("git clone 'http://github.com/composer/composer' 'composerPath' && cd 'composerPath' && git remote add composer 'http://github.com/composer/composer' && git fetch composer");
+        $expectedGitCommand = $this->winCompat("git clone '{$protocol}://github.com/composer/composer' 'composerPath' && cd 'composerPath' && git remote add composer '{$protocol}://github.com/composer/composer' && git fetch composer");
         $processExecutor->expects($this->at(0))
             ->method('execute')
             ->with($this->equalTo($expectedGitCommand))
             ->will($this->returnValue(0));
 
+        $expectedGitCommand = $this->winCompat("git remote set-url --push origin '{$pushUrl}'");
+        $processExecutor->expects($this->at(1))
+            ->method('execute')
+            ->with($this->equalTo($expectedGitCommand), $this->equalTo(null), $this->equalTo($this->winCompat('composerPath')))
+            ->will($this->returnValue(0));
+
         $processExecutor->expects($this->exactly(4))
             ->method('execute')
             ->will($this->returnValue(0));
 
         $config = new Config();
-        $config->merge(array('config' => array('github-protocols' => array('http'))));
+        $config->merge(array('config' => array('github-protocols' => array($protocol))));
 
         $downloader = $this->getDownloaderMock(null, $config, $processExecutor);
         $downloader->download($packageMock, 'composerPath');
diff --git a/tests/Composer/Test/Repository/ArtifactRepositoryTest.php b/tests/Composer/Test/Repository/ArtifactRepositoryTest.php
index ac1bcbbe4..5ffae515a 100644
--- a/tests/Composer/Test/Repository/ArtifactRepositoryTest.php
+++ b/tests/Composer/Test/Repository/ArtifactRepositoryTest.php
@@ -25,6 +25,7 @@ class ArtifactRepositoryTest extends TestCase
             'vendor0/package0-0.0.1',
             'composer/composer-1.0.0-alpha6',
             'vendor1/package2-4.3.2',
+            'vendor3/package1-5.4.3',
         );
 
         $coordinates = array('type' => 'artifact', 'url' => __DIR__ . '/Fixtures/artifacts');
diff --git a/tests/Composer/Test/Repository/Fixtures/artifacts/subfolder/not-an-artifact.zip b/tests/Composer/Test/Repository/Fixtures/artifacts/subfolder/not-an-artifact.zip
new file mode 100644
index 000000000..3e788dcc2
Binary files /dev/null and b/tests/Composer/Test/Repository/Fixtures/artifacts/subfolder/not-an-artifact.zip differ
diff --git a/tests/Composer/Test/Repository/Fixtures/artifacts/subfolder/package1.zip b/tests/Composer/Test/Repository/Fixtures/artifacts/subfolder/package1.zip
new file mode 100644
index 000000000..a2d96c387
Binary files /dev/null and b/tests/Composer/Test/Repository/Fixtures/artifacts/subfolder/package1.zip differ