diff options
Diffstat (limited to 'activerecord/lib/active_record/migration.rb')
| -rw-r--r-- | activerecord/lib/active_record/migration.rb | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 4e1df1432c..51c82f4ced 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -1104,13 +1104,21 @@ module ActiveRecord def move(direction, migrations_paths, steps) migrator = new(direction, migrations(migrations_paths)) - start_index = migrator.migrations.index(migrator.current_migration) - if start_index - finish = migrator.migrations[start_index + steps] - version = finish ? finish.version : 0 - send(direction, migrations_paths, version) + if current_version != 0 && !migrator.current_migration + raise UnknownMigrationVersionError.new(current_version) end + + start_index = + if current_version == 0 + 0 + else + migrator.migrations.index(migrator.current_migration) + end + + finish = migrator.migrations[start_index + steps] + version = finish ? finish.version : 0 + send(direction, migrations_paths, version) end end |