diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/migration.rb | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 3d71b784e7..5d7762ec3a 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -634,8 +634,17 @@ module ActiveRecord source_migrations = ActiveRecord::Migrator.migrations(path) source_migrations.each do |migration| - source = File.read(migration.filename) - source = "# This migration comes from #{scope} (originally #{migration.version})\n#{source}" + source = File.binread(migration.filename) + inserted_comment = "# This migration comes from #{scope} (originally #{migration.version})\n" + if /\A#.*\b(?:en)?coding:\s*\S+/ =~ source + # If we have a magic comment in the original migration, + # insert our comment after the first newline(end of the magic comment line) + # so the magic keep working. + # Note that magic comments must be at the first line(except sh-bang). + source[/\n/] = "\n#{inserted_comment}" + else + source = "#{inserted_comment}#{source}" + end if duplicate = destination_migrations.detect { |m| m.name == migration.name } if options[:on_skip] && duplicate.scope != scope.to_s @@ -649,7 +658,7 @@ module ActiveRecord old_path, migration.filename = migration.filename, new_path last = migration - File.open(migration.filename, "w") { |f| f.write source } + File.binwrite(migration.filename, source) copied << migration options[:on_copy].call(scope, migration, old_path) if options[:on_copy] destination_migrations << migration |