diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/migration.rb | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 1d450da006..102a523744 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -461,11 +461,13 @@ module ActiveRecord source_migrations = ActiveRecord::Migrator.migrations(path) source_migrations.each do |migration| - source = File.read(migration.filename).chomp + source = File.read(migration.filename) source = "# This migration comes from #{name} (originally #{migration.version})\n#{source}" if duplicate = destination_migrations.detect { |m| m.name == migration.name } - options[:on_skip].call(name, migration) if File.read(duplicate.filename).chomp != source && options[:on_skip] + if options[:on_skip] && !migrations_identical?(File.read(duplicate.filename), source) + options[:on_skip].call(name, migration) + end next end @@ -491,6 +493,22 @@ module ActiveRecord "%.3d" % number end end + + def migrations_identical?(a, b) + # Due to a bug some of the migrations copied may not have origin comment, + # so we need to ignore it. + remove_origin_comment(a.chomp) == remove_origin_comment(b.chomp) + end + private :migrations_identical? + + def remove_origin_comment(migration_source) + if migration_source =~ /^# This migration comes from/ + migration_source = migration_source.to_a[1..-1].join + end + + migration_source + end + private :remove_origin_comment end # MigrationProxy is used to defer loading of the actual migration classes |