diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..f66dc16eb
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/.settings
+/.project
+/.buildpath
+/composer.phar
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..5dbd59568
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,15 @@
+[submodule "src/Symfony/Component/Process"]
+	path = src/Symfony/Component/Process
+	url = https://github.com/symfony/Process.git
+[submodule "src/Symfony/Component/Finder"]
+	path = src/Symfony/Component/Finder
+	url = https://github.com/symfony/Finder.git
+[submodule "src/Symfony/Component/Config"]
+	path = src/Symfony/Component/Config
+	url = https://github.com/symfony/Config.git
+[submodule "src/Symfony/Component/ClassLoader"]
+	path = src/Symfony/Component/ClassLoader
+	url = https://github.com/symfony/ClassLoader.git
+[submodule "src/Symfony/Component/BrowserKit"]
+	path = src/Symfony/Component/BrowserKit
+	url = https://github.com/symfony/BrowserKit.git
diff --git a/bin/compile b/bin/compile
new file mode 100644
index 000000000..9d966fcb2
--- /dev/null
+++ b/bin/compile
@@ -0,0 +1,9 @@
+#!/usr/bin/env php
+<?php
+
+require __DIR__.'/../tests/bootstrap.php';
+
+use Composer\Compiler;
+
+$compiler = new Compiler();
+$compiler->compile();
diff --git a/src/Composer/Compiler.php b/src/Composer/Compiler.php
new file mode 100644
index 000000000..3e533bf98
--- /dev/null
+++ b/src/Composer/Compiler.php
@@ -0,0 +1,107 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer;
+
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Process\Process;
+
+/**
+ * The Compiler class compiles the Silex framework.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Compiler
+{
+    protected $version;
+
+    public function compile($pharFile = 'composer.phar')
+    {
+        if (file_exists($pharFile)) {
+            unlink($pharFile);
+        }
+
+        $process = new Process('git log --pretty="%h %ci" -n1 HEAD');
+        if ($process->run() > 0) {
+            throw new \RuntimeException('The git binary cannot be found.');
+        }
+        $this->version = trim($process->getOutput());
+
+        $phar = new \Phar($pharFile, 0, 'composer.phar');
+        $phar->setSignatureAlgorithm(\Phar::SHA1);
+
+        $phar->startBuffering();
+
+        $finder = new Finder();
+        $finder->files()
+            ->ignoreVCS(true)
+            ->name('*.php')
+            ->notName('Compiler.php')
+            ->in(__DIR__.'/../Composer')
+        ;
+
+        foreach ($finder as $file) {
+            $this->addFile($phar, $file);
+        }
+
+        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../tests/bootstrap.php'));
+        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../bin/composer'));
+
+        // Stubs
+        $phar->setStub($this->getStub());
+
+        $phar->stopBuffering();
+
+        $phar->compressFiles(\Phar::GZ);
+
+        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../LICENSE'), false);
+
+        unset($phar);
+    }
+
+    protected function addFile($phar, $file, $strip = true)
+    {
+        $path = str_replace(dirname(dirname(__DIR__)).DIRECTORY_SEPARATOR, '', $file->getRealPath());
+
+        if ($strip) {
+            $content = php_strip_whitespace($file);
+        } else {
+            $content = "\n".file_get_contents($file)."\n";
+        }
+
+        $content = str_replace('@package_version@', $this->version, $content);
+
+        $phar->addFromString($path, $content);
+    }
+
+    protected function getStub()
+    {
+        return <<<'EOF'
+<?php
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view
+ * the license that is located at the bottom of this file.
+ */
+
+Phar::mapPhar('composer.phar');
+
+require 'phar://composer.phar/bin/composer';
+
+__HALT_COMPILER();
+EOF;
+    }
+}
diff --git a/src/Composer/Compiler.php~HEAD b/src/Composer/Compiler.php~HEAD
new file mode 100644
index 000000000..3e533bf98
--- /dev/null
+++ b/src/Composer/Compiler.php~HEAD
@@ -0,0 +1,107 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer;
+
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Process\Process;
+
+/**
+ * The Compiler class compiles the Silex framework.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Compiler
+{
+    protected $version;
+
+    public function compile($pharFile = 'composer.phar')
+    {
+        if (file_exists($pharFile)) {
+            unlink($pharFile);
+        }
+
+        $process = new Process('git log --pretty="%h %ci" -n1 HEAD');
+        if ($process->run() > 0) {
+            throw new \RuntimeException('The git binary cannot be found.');
+        }
+        $this->version = trim($process->getOutput());
+
+        $phar = new \Phar($pharFile, 0, 'composer.phar');
+        $phar->setSignatureAlgorithm(\Phar::SHA1);
+
+        $phar->startBuffering();
+
+        $finder = new Finder();
+        $finder->files()
+            ->ignoreVCS(true)
+            ->name('*.php')
+            ->notName('Compiler.php')
+            ->in(__DIR__.'/../Composer')
+        ;
+
+        foreach ($finder as $file) {
+            $this->addFile($phar, $file);
+        }
+
+        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../tests/bootstrap.php'));
+        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../bin/composer'));
+
+        // Stubs
+        $phar->setStub($this->getStub());
+
+        $phar->stopBuffering();
+
+        $phar->compressFiles(\Phar::GZ);
+
+        $this->addFile($phar, new \SplFileInfo(__DIR__.'/../../LICENSE'), false);
+
+        unset($phar);
+    }
+
+    protected function addFile($phar, $file, $strip = true)
+    {
+        $path = str_replace(dirname(dirname(__DIR__)).DIRECTORY_SEPARATOR, '', $file->getRealPath());
+
+        if ($strip) {
+            $content = php_strip_whitespace($file);
+        } else {
+            $content = "\n".file_get_contents($file)."\n";
+        }
+
+        $content = str_replace('@package_version@', $this->version, $content);
+
+        $phar->addFromString($path, $content);
+    }
+
+    protected function getStub()
+    {
+        return <<<'EOF'
+<?php
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view
+ * the license that is located at the bottom of this file.
+ */
+
+Phar::mapPhar('composer.phar');
+
+require 'phar://composer.phar/bin/composer';
+
+__HALT_COMPILER();
+EOF;
+    }
+}
diff --git a/src/Symfony/Component/BrowserKit b/src/Symfony/Component/BrowserKit
new file mode 160000
index 000000000..fd0cb960f
--- /dev/null
+++ b/src/Symfony/Component/BrowserKit
@@ -0,0 +1 @@
+Subproject commit fd0cb960f526238bad7dc28fee24ba91d6858e06
diff --git a/src/Symfony/Component/ClassLoader b/src/Symfony/Component/ClassLoader
new file mode 160000
index 000000000..c00f87add
--- /dev/null
+++ b/src/Symfony/Component/ClassLoader
@@ -0,0 +1 @@
+Subproject commit c00f87add0823f8f71c4f572595152bf7b2b2daf
diff --git a/src/Symfony/Component/Config b/src/Symfony/Component/Config
new file mode 160000
index 000000000..7e4fecbf8
--- /dev/null
+++ b/src/Symfony/Component/Config
@@ -0,0 +1 @@
+Subproject commit 7e4fecbf8a592268f94704deb6c8ab0f3345af90
diff --git a/src/Symfony/Component/Finder b/src/Symfony/Component/Finder
new file mode 160000
index 000000000..83d148b10
--- /dev/null
+++ b/src/Symfony/Component/Finder
@@ -0,0 +1 @@
+Subproject commit 83d148b10f3acf2a1d1cc427386a1d3d1a125206
diff --git a/src/Symfony/Component/Process b/src/Symfony/Component/Process
new file mode 160000
index 000000000..83186a5f1
--- /dev/null
+++ b/src/Symfony/Component/Process
@@ -0,0 +1 @@
+Subproject commit 83186a5f106f33c1c8f8163eef5860ac64ad7679