From 64d87e1be9577f267b801dfe3b5fbe25fcd1a8ab Mon Sep 17 00:00:00 2001
From: Jeremy Bush <contractfrombelow@gmail.com>
Date: Thu, 12 May 2011 14:14:09 -0500
Subject: [PATCH 1/3] Add config option to hard prevent migrations before a
 certain date from running

---
 classes/minion/migration/manager.php | 9 +++++++++
 config/minion/migration.php          | 7 +++++++
 2 files changed, 16 insertions(+)

diff --git a/classes/minion/migration/manager.php b/classes/minion/migration/manager.php
index 2c41ead..95abc8f 100644
--- a/classes/minion/migration/manager.php
+++ b/classes/minion/migration/manager.php
@@ -132,6 +132,15 @@ class Minion_Migration_Manager {
 
 		foreach ($migrations as $migration)
 		{
+			if ($method == 'down' AND $migration['timestamp'] <= Kohana::config('minion/migration')->lowest_migration)
+			{
+				Minion_CLI::write(
+					'You\'ve reached the lowest migration allowed by your config: '.Kohana::config('minion/migration')->lowest_migration,
+					'red'
+				);
+				return;
+			}
+
 			$filename  = Minion_Migration_Util::get_filename_from_migration($migration);
 
 			if ( ! ($file  = Kohana::find_file('migrations', $filename, FALSE)))
diff --git a/config/minion/migration.php b/config/minion/migration.php
index 0009457..5f16a12 100644
--- a/config/minion/migration.php
+++ b/config/minion/migration.php
@@ -6,4 +6,11 @@ return array(
 	'group_connection' => array(
 		
 	),
+	/**
+	 * This specifies which migration should be the "base", in timestamp form.
+	 * This migration will not be run when --migrate-down is called
+	 * 
+	 * NULL means all migrations will run
+	 */
+	'lowest_migration' => NULL,
 );

From e6cdf3ce32209890c1324db9d6f3543879f0730a Mon Sep 17 00:00:00 2001
From: Jeremy Bush <contractfrombelow@gmail.com>
Date: Thu, 12 May 2011 14:23:15 -0500
Subject: [PATCH 2/3] Fix bad variable call, Fixes #15

---
 classes/minion/migration/manager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/minion/migration/manager.php b/classes/minion/migration/manager.php
index 95abc8f..386688e 100644
--- a/classes/minion/migration/manager.php
+++ b/classes/minion/migration/manager.php
@@ -173,7 +173,7 @@ class Minion_Migration_Manager {
 
 			if ($this->_dry_run)
 			{
-				$this->_dry_run_sql[$path][$migration['timestamp']] = $db->reset_query_stack();
+				$this->_dry_run_sql[$migration['group']][$migration['timestamp']] = $db->reset_query_stack();
 			}
 			else
 			{

From b55a258760beaaff322ee4bd634eb3a383ee51c9 Mon Sep 17 00:00:00 2001
From: Jeremy Bush <contractfrombelow@gmail.com>
Date: Thu, 12 May 2011 14:52:00 -0500
Subject: [PATCH 3/3] Fix bug where migrations to +/- would not work properly.
 Fixes #16

---
 classes/model/minion/migration.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/classes/model/minion/migration.php b/classes/model/minion/migration.php
index 0d505f1..d90c15f 100644
--- a/classes/model/minion/migration.php
+++ b/classes/model/minion/migration.php
@@ -444,6 +444,12 @@ class Model_Minion_Migration extends Model
 			return array(NULL, $up);
 		}
 
-		return array((string) $query->execute($this->_db)->get('timestamp'), $up);
+		// Seek to the requested row
+		for ($i = 0; $i < $amount - 1; $i++)
+		{
+			$results->next();
+		}
+
+		return array((string) $results->get('timestamp'), $up);
 	}
 }