From 6e9b01fddb5a461b4e010f07eda7f758c607e677 Mon Sep 17 00:00:00 2001
From: Jeffrey Hardy <jeff@37signals.com>
Date: Fri, 8 Jan 2010 12:38:32 -0500
Subject: [PATCH] Allow AR::Schema's migrations_path to be overwritten by
 subclasses. Defaults to 'db/migrate'

[#3671 state:committed]

Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>
---
 .../connection_adapters/abstract/schema_statements.rb       | 4 ++--
 activerecord/lib/active_record/migration.rb                 | 4 ++++
 activerecord/lib/active_record/schema.rb                    | 6 +++++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 7e82099892..7bbef88b3e 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -336,12 +336,12 @@ module ActiveRecord
         end
       end
 
-      def assume_migrated_upto_version(version)
+      def assume_migrated_upto_version(version, migrations_path = ActiveRecord::Migrator.migrations_path)
         version = version.to_i
         sm_table = quote_table_name(ActiveRecord::Migrator.schema_migrations_table_name)
 
         migrated = select_values("SELECT version FROM #{sm_table}").map(&:to_i)
-        versions = Dir['db/migrate/[0-9]*_*.rb'].map do |filename|
+        versions = Dir["#{migrations_path}/[0-9]*_*.rb"].map do |filename|
           filename.split('/').last.split('_').first.to_i
         end
 
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 657acd6dc0..c0b4b1363c 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -408,6 +408,10 @@ module ActiveRecord
         self.new(direction, migrations_path, target_version).run
       end
 
+      def migrations_path
+        'db/migrate'
+      end
+
       def schema_migrations_table_name
         Base.table_name_prefix + 'schema_migrations' + Base.table_name_suffix
       end
diff --git a/activerecord/lib/active_record/schema.rb b/activerecord/lib/active_record/schema.rb
index 8a32cf1ca2..a996a0ebac 100644
--- a/activerecord/lib/active_record/schema.rb
+++ b/activerecord/lib/active_record/schema.rb
@@ -28,6 +28,10 @@ module ActiveRecord
   class Schema < Migration
     private_class_method :new
 
+    def self.migrations_path
+      ActiveRecord::Migrator.migrations_path
+    end
+
     # Eval the given block. All methods available to the current connection
     # adapter are available within the block, so you can easily use the
     # database definition DSL to build up your schema (+create_table+,
@@ -44,7 +48,7 @@ module ActiveRecord
 
       unless info[:version].blank?
         initialize_schema_migrations_table
-        assume_migrated_upto_version info[:version]
+        assume_migrated_upto_version(info[:version], migrations_path)
       end
     end
   end