diff options
| -rw-r--r-- | config/initializers/0_duplicate_migrations.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/config/initializers/0_duplicate_migrations.rb b/config/initializers/0_duplicate_migrations.rb index 4ab806587..194aff70c 100644 --- a/config/initializers/0_duplicate_migrations.rb +++ b/config/initializers/0_duplicate_migrations.rb @@ -37,4 +37,16 @@ module ActiveRecord super(direction, migrations, target_version) end end + + class MigrationContext + def needs_migration? + # A set of duplicated migrations is considered migrated if at least one of + # them is migrated. + migrated = get_all_versions + migrations.group_by(&:name).each do |name, duplicates| + return true unless duplicates.any? { |m| migrated.include?(m.version.to_i) } + end + return false + end + end end |