method
copy
v4.2.7 -
Show latest stable
-
0 notes -
Class: ActiveRecord::Migration
- 1.0.0
- 1.1.6
- 1.2.6
- 2.0.3
- 2.1.0
- 2.2.1
- 2.3.8
- 3.0.0
- 3.0.9
- 3.1.0 (0)
- 3.2.1 (0)
- 3.2.8 (0)
- 3.2.13 (0)
- 4.0.2 (0)
- 4.1.8 (0)
- 4.2.1 (0)
- 4.2.7 (0)
- 4.2.9 (0)
- 5.0.0.1 (0)
- 5.1.7 (0)
- 5.2.3 (0)
- 6.0.0 (0)
- 6.1.3.1 (0)
- 6.1.7.7 (0)
- 7.0.0 (0)
- 7.1.3.2 (0)
- 7.1.3.4 (0)
- What's this?
copy(destination, sources, options = {})
public
Hide source
# File activerecord/lib/active_record/migration.rb, line 669 def copy(destination, sources, options = {}) copied = [] FileUtils.mkdir_p(destination) unless File.exist?(destination) destination_migrations = ActiveRecord::Migrator.migrations(destination) last = destination_migrations.last sources.each do |scope, path| source_migrations = ActiveRecord::Migrator.migrations(path) source_migrations.each do |migration| 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 options[:on_skip].call(scope, migration) end next end migration.version = next_migration_number(last ? last.version + 1 : 0).to_i new_path = File.join(destination, "#{migration.version}_#{migration.name.underscore}.#{scope}.rb") old_path, migration.filename = migration.filename, new_path last = migration File.binwrite(migration.filename, source) copied << migration options[:on_copy].call(scope, migration, old_path) if options[:on_copy] destination_migrations << migration end end copied end