diff --git a/src/Composer/Repository/Vcs/GitBitbucketDriver.php b/src/Composer/Repository/Vcs/GitBitbucketDriver.php
new file mode 100644
index 000000000..1ac4f85f3
--- /dev/null
+++ b/src/Composer/Repository/Vcs/GitBitbucketDriver.php
@@ -0,0 +1,163 @@
+<?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\Repository\Vcs;
+
+use Composer\Json\JsonFile;
+
+/**
+ * @author Per Bernhardt <plb@webfactory.de>
+ */
+class GitBitbucketDriver implements VcsDriverInterface
+{
+    protected $url;
+    protected $owner;
+    protected $repository;
+    protected $tags;
+    protected $branches;
+    protected $rootIdentifier;
+    protected $infoCache = array();
+
+    public function __construct($url)
+    {
+        $this->url = $url;
+        preg_match('#^https://bitbucket\.org/([^/]+)/(.+?)\.git$#', $url, $match);
+        $this->owner = $match[1];
+        $this->repository = $match[2];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function initialize()
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getRootIdentifier()
+    {
+        if (null === $this->rootIdentifier) {
+            $repoData = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository), true);
+            $this->rootIdentifier = $repoData['main_branch'] ?: 'master';
+        }
+
+        return $this->rootIdentifier;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getUrl()
+    {
+        return $this->url;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getSource($identifier)
+    {
+        $label = array_search($identifier, $this->getTags()) ?: $identifier;
+
+        return array('type' => 'git', 'url' => $this->getUrl(), 'reference' => $label);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDist($identifier)
+    {
+        $label = array_search($identifier, $this->getTags()) ?: $identifier;
+        $url = 'https://bitbucket.org/'.$this->owner.'/'.$this->repository.'/get/'.$label.'.zip';
+
+        return array('type' => 'zip', 'url' => $url, 'reference' => $label, 'shasum' => '');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getComposerInformation($identifier)
+    {
+        if (!isset($this->infoCache[$identifier])) {
+            $composer = @file_get_contents('https://bitbucket.org/'.$this->owner.'/'.$this->repository.'/raw/'.$identifier.'/composer.json');
+            if (!$composer) {
+                throw new \UnexpectedValueException('Failed to retrieve composer information for identifier '.$identifier.' in '.$this->getUrl());
+            }
+
+            $composer = JsonFile::parseJson($composer);
+
+            if (!isset($composer['time'])) {
+                $changeset = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository.'/changesets/'.$identifier), true);
+                $composer['time'] = $changeset['timestamp'];
+            }
+            $this->infoCache[$identifier] = $composer;
+        }
+
+        return $this->infoCache[$identifier];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getTags()
+    {
+        if (null === $this->tags) {
+            $tagsData = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository.'/tags'), true);
+            $this->tags = array();
+            foreach ($tagsData as $tag => $data) {
+                $this->tags[$tag] = $data['raw_node'];
+            }
+        }
+
+        return $this->tags;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBranches()
+    {
+        if (null === $this->branches) {
+            $branchData = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository.'/branches'), true);
+            $this->branches = array();
+            foreach ($branchData as $branch => $data) {
+                $this->branches[$branch] = $data['raw_node'];
+            }
+        }
+
+        return $this->branches;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasComposerFile($identifier)
+    {
+        try {
+            $this->getComposerInformation($identifier);
+            return true;
+        } catch (\Exception $e) {
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public static function supports($url, $deep = false)
+    {
+        return preg_match('#^https://bitbucket\.org/([^/]+)/(.+?)\.git$#', $url, $match);
+    }
+}
diff --git a/src/Composer/Repository/Vcs/HgBitbucketDriver.php b/src/Composer/Repository/Vcs/HgBitbucketDriver.php
new file mode 100644
index 000000000..9c1c82b3b
--- /dev/null
+++ b/src/Composer/Repository/Vcs/HgBitbucketDriver.php
@@ -0,0 +1,164 @@
+<?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\Repository\Vcs;
+
+use Composer\Json\JsonFile;
+
+/**
+ * @author Per Bernhardt <plb@webfactory.de>
+ */
+class HgBitbucketDriver implements VcsDriverInterface
+{
+    protected $url;
+    protected $owner;
+    protected $repository;
+    protected $tags;
+    protected $branches;
+    protected $rootIdentifier;
+    protected $infoCache = array();
+
+    public function __construct($url)
+    {
+        $this->url = $url;
+        preg_match('#^https://bitbucket\.org/([^/]+)/([^/]+)/?$#', $url, $match);
+        $this->owner = $match[1];
+        $this->repository = $match[2];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function initialize()
+    {
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getRootIdentifier()
+    {
+        if (null === $this->rootIdentifier) {
+            $repoData = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository.'/tags'), true);
+            $this->rootIdentifier = $repoData['tip']['raw_node'];
+        }
+
+        return $this->rootIdentifier;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getUrl()
+    {
+        return $this->url;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getSource($identifier)
+    {
+        $label = array_search($identifier, $this->getTags()) ?: $identifier;
+
+        return array('type' => 'hg', 'url' => $this->getUrl(), 'reference' => $label);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDist($identifier)
+    {
+        $label = array_search($identifier, $this->getTags()) ?: $identifier;
+        $url = 'https://bitbucket.org/'.$this->owner.'/'.$this->repository.'/get/'.$label.'.zip';
+
+        return array('type' => 'zip', 'url' => $url, 'reference' => $label, 'shasum' => '');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getComposerInformation($identifier)
+    {
+        if (!isset($this->infoCache[$identifier])) {
+            $composer = @file_get_contents('https://bitbucket.org/'.$this->owner.'/'.$this->repository.'/raw/'.$identifier.'/composer.json');
+            if (!$composer) {
+                throw new \UnexpectedValueException('Failed to retrieve composer information for identifier '.$identifier.' in '.$this->getUrl());
+            }
+
+            $composer = JsonFile::parseJson($composer);
+
+            if (!isset($composer['time'])) {
+                $changeset = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository.'/changesets/'.$identifier), true);
+                $composer['time'] = $changeset['timestamp'];
+            }
+            $this->infoCache[$identifier] = $composer;
+        }
+
+        return $this->infoCache[$identifier];
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getTags()
+    {
+        if (null === $this->tags) {
+            $tagsData = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository.'/tags'), true);
+            $this->tags = array();
+            foreach ($tagsData as $tag => $data) {
+                $this->tags[$tag] = $data['raw_node'];
+            }
+            unset($this->tags['tip']);
+        }
+
+        return $this->tags;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBranches()
+    {
+        if (null === $this->branches) {
+            $branchData = json_decode(file_get_contents('https://api.bitbucket.org/1.0/repositories/'.$this->owner.'/'.$this->repository.'/branches'), true);
+            $this->branches = array();
+            foreach ($branchData as $branch => $data) {
+                $this->branches[$branch] = $data['raw_node'];
+            }
+        }
+
+        return $this->branches;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasComposerFile($identifier)
+    {
+        try {
+            $this->getComposerInformation($identifier);
+            return true;
+        } catch (\Exception $e) {
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public static function supports($url, $deep = false)
+    {
+        return preg_match('#^https://bitbucket\.org/([^/]+)/([^/]+)/?$#', $url, $match);
+    }
+}