diff -r bbdc7f9aa25e -r 03b14b0fe101 vendor/doctrine-migrations/lib/Doctrine/DBAL/Migrations/Configuration/AbstractFileConfiguration.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine-migrations/lib/Doctrine/DBAL/Migrations/Configuration/AbstractFileConfiguration.php	Fri Nov 25 18:55:43 2011 +0100
@@ -0,0 +1,93 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+*/
+
+namespace Doctrine\DBAL\Migrations\Configuration;
+
+use Doctrine\DBAL\Migrations\MigrationsException;
+
+/**
+ * Abstract Migration Configuration class for loading configuration information
+ * from a configuration file (xml or yml).
+ *
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @link        www.doctrine-project.org
+ * @since       2.0
+ * @author      Jonathan H. Wage <jonwage@gmail.com>
+ */
+abstract class AbstractFileConfiguration extends Configuration
+{
+    /**
+     * The configuration file used to load configuration information
+     *
+     * @var string
+     */
+    private $file;
+
+    /**
+     * Whether or not the configuration file has been loaded yet or not
+     *
+     * @var bool
+     */
+    private $loaded = false;
+
+    /**
+     * Load the information from the passed configuration file
+     *
+     * @param string $file  The path to the configuration file
+     * @return void
+     * @throws MigrationException $exception Throws exception if configuration file was already loaded
+     */
+    public function load($file)
+    {
+        if ($this->loaded) {
+            throw MigrationsException::configurationFileAlreadyLoaded();
+        }
+        if (file_exists($path = getcwd() . '/' . $file)) {
+            $file = $path;
+        }
+        $this->file = $file;
+        $this->doLoad($file);
+        $this->loaded = true;
+    }
+
+    protected function getDirectoryRelativeToFile($file, $input)
+    {
+        $path = realpath(dirname($file) . '/' . $input);
+        if ($path !== false) {
+            $directory = $path;
+        } else {
+            $directory = $input;
+        }
+        return $directory;
+    }
+
+    public function getFile()
+    {
+        return $this->file;
+    }
+
+    /**
+     * Abstract method that each file configuration driver must implement to
+     * load the given configuration file whether it be xml, yaml, etc. or something
+     * else.
+     *
+     * @param string $file  The path to a configuration file.
+     */
+    abstract protected function doLoad($file);
+}
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