--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine-migrations/lib/Doctrine/DBAL/Migrations/Migration.php	Fri Nov 25 18:55:43 2011 +0100
@@ -0,0 +1,160 @@
+<?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;
+
+use Doctrine\DBAL\Migrations\Configuration\Configuration,
+    Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Class for running migrations to the current version or a manually specified version.
+ *
+ * @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>
+ */
+class Migration
+{
+    /**
+     * The OutputWriter object instance used for outputting information
+     *
+     * @var OutputWriter
+     */
+    private $outputWriter;
+
+    /**
+     * @var Configuration
+     */
+    private $configuration;
+
+    /**
+     * Construct a Migration instance
+     *
+     * @param Configuration $configuration  A migration Configuration instance
+     */
+    public function __construct(Configuration $configuration)
+    {
+        $this->configuration = $configuration;
+        $this->outputWriter = $configuration->getOutputWriter();
+    }
+
+    /**
+     * Get the array of versions and SQL queries that would be executed for 
+     * each version but do not execute anything.
+     *
+     * @param string $to   The version to migrate to.
+     * @return array $sql  The array of SQL queries.
+     */
+    public function getSql($to = null)
+    {
+        return $this->migrate($to, true);
+    }
+
+    /**
+     * Write a migration SQL file to the given path
+     *
+     * @param string $path   The path to write the migration SQL file.
+     * @param string $to     The version to migrate to.
+     * @return bool $written
+     */
+    public function writeSqlFile($path, $to = null)
+    {
+        $sql = $this->getSql($to);
+
+        $from = $this->configuration->getCurrentVersion();
+        if ($to === null) {
+            $to = $this->configuration->getLatestVersion();
+        }
+
+        $string  = sprintf("# Doctrine Migration File Generated on %s\n", date('Y-m-d H:m:s'));
+        $string .= sprintf("# Migrating from %s to %s\n", $from, $to);
+
+        foreach ($sql as $version => $queries) {
+            $string .= "\n# Version " . $version . "\n";
+            foreach ($queries as $query) {
+                $string .= $query . ";\n";
+            }
+        }
+        if (is_dir($path)) {
+            $path = realpath($path);
+            $path = $path . '/doctrine_migration_' . date('YmdHis') . '.sql';
+        }
+
+        $this->outputWriter->write("\n".sprintf('Writing migration file to "<info>%s</info>"', $path));
+
+        return file_put_contents($path, $string);
+    }
+
+    /**
+     * Run a migration to the current version or the given target version.
+     *
+     * @param string $to      The version to migrate to.
+     * @param string $dryRun  Whether or not to make this a dry run and not execute anything.
+     * @return array $sql     The array of migration sql statements
+     * @throws MigrationException
+     */
+    public function migrate($to = null, $dryRun = false)
+    {
+        if ($to === null) {
+            $to = $this->configuration->getLatestVersion();
+        }
+
+        $from = $this->configuration->getCurrentVersion();
+        $from = (string) $from;
+        $to = (string) $to;
+
+        $migrations = $this->configuration->getMigrations();
+        if ( ! isset($migrations[$to]) && $to > 0) {
+            throw MigrationException::unknownMigrationVersion($to);
+        }
+
+        if ($from === $to) {
+            return array();
+        }
+
+        $direction = $from > $to ? 'down' : 'up';
+        $migrations = $this->configuration->getMigrationsToExecute($direction, $to);
+
+        if ($dryRun === false) {
+            $this->outputWriter->write(sprintf('Migrating <info>%s</info> to <comment>%s</comment> from <comment>%s</comment>', $direction, $to, $from));
+        } else {
+            $this->outputWriter->write(sprintf('Executing dry run of migration <info>%s</info> to <comment>%s</comment> from <comment>%s</comment>', $direction, $to, $from));
+        }
+
+        if (empty($migrations)) {
+            throw MigrationException::noMigrationsToExecute();
+        }
+
+        $sql = array();
+        $time = 0;
+        foreach ($migrations as $version) {
+            $versionSql = $version->execute($direction, $dryRun);
+            $sql[$version->getVersion()] = $versionSql;
+            $time += $version->getTime();
+        }
+
+        $this->outputWriter->write("\n  <comment>------------------------</comment>\n");
+        $this->outputWriter->write(sprintf("  <info>++</info> finished in %s", $time));
+        $this->outputWriter->write(sprintf("  <info>++</info> %s migrations executed", count($migrations)));
+        $this->outputWriter->write(sprintf("  <info>++</info> %s sql queries", count($sql, true) - count($sql)));
+
+        return $sql;
+    }
+}