Migration model wasn't using correct target version when downgrading all locations. Adding a bugfix & test

classes/model/minion/migration.php

@@ -81,12 +81,14 @@ class Model_Minion_Migration extends Model
 	 * @param string  Target migration id
 	 * @param boolean Default direction of versionless migrations 
 	 */
-	public function fetch_required_migrations($locations = NULL, $target = TRUE, $default_direction = TRUE)
+	public function fetch_required_migrations($locations = NULL, $target_version = TRUE, $default_direction = TRUE)
 	{
 		if( ! empty($locations) AND ! is_array($locations))
 		{
 			$locations = array(
-				$locations => is_array($target) ? $default_direction : $target
+				$locations => is_array($target_version) 
+								? $default_direction 
+								: $target_version
 			);
 		}
 
@@ -103,9 +105,9 @@ class Model_Minion_Migration extends Model
 		}
 
 		// Merge locations with specified target versions 
-		if( ! empty($target) AND is_array($target))
+		if( ! empty($target_version) AND is_array($target_version))
 		{
-			$locations = $target + $locations;
+			$locations = $target_version + $locations;
 		}
 
 		$migrations_to_apply = array();
@@ -134,7 +136,9 @@ class Model_Minion_Migration extends Model
 			// default migration direction
 			if($target === $location)
 			{
-				$target = (bool) $default_direction;
+				$target = is_bool($target_version) 
+					? $target_version 
+					: (bool) $default_direction;
 			}
 
 			// If the user is rolling this location to either extreme up or 

tests/minion/migration/model.php

@@ -134,8 +134,27 @@ class Minion_Migration_ModelTest extends Kohana_Unittest_Database_TestCase
 							),
 						)
 					),
+					'dblogger' => array(
+						'direction'  => FALSE,
+						'migrations' => array(
+							array(
+								'timestamp'   => '1293544858',
+								'description' => 'remove-unique-index',
+								'location'    => 'dblogger',
+								'applied'     => '1',
+								'id'          => '1293544858_remove-unique-index',
+							),
+							array(
+								'timestamp'   => '1293543858',
+								'description' => 'create-table',
+								'location'    => 'dblogger',
+								'applied'     => '1',
+								'id'          => '1293543858_create-table',
+							),
+						)
+					),
 				),
-				'app',
+				NULL,
 				FALSE,
 				TRUE
 			),