Contents

require 'active_support/all'
require 'active_record'
require 'pathname'

# earlier versions used migrations from db/migrations, so warn users about the change
if File.directory?('db/migrations')
  puts "DEPRECATED move your migrations into db/migrate"
end

DB_CONFIG = YAML.load_file('db/config.yml').with_indifferent_access

module Rails
  def self.env
    s = (ENV['RAILS_ENV'] || ENV['DB'] || 'development').dup # env is frozen -> dup
    def s.development?; self == 'development';end
    s
  end

  def self.root
    Pathname.new Dir.pwd
  end

  def self.application
    s = "fake_app"

    def s.paths
      Dir.glob('db/*').inject({}){|hash,x|hash[x]=[x]; hash}
    end

    def s.config
      s = "fake_config"
      def s.database_configuration
        DB_CONFIG
      end
      s
    end
    s
  end
end

task(:rails_env){}

task(:environment) do
  ActiveRecord::Base.configurations = DB_CONFIG
  ActiveRecord::Base.establish_connection DB_CONFIG[Rails.env]
end

load 'active_record/railties/databases.rake'

namespace :db do
  desc "Create a new migration"
  task :new_migration do |t|
    unless migration = ENV['name']
      puts "Error: must provide name of migration to generate."
      puts "For example: rake #{t.name} name=add_field_to_form"
      abort
    end

    file_contents = <<eof
class #{class_name migration} < ActiveRecord::Migration
  def self.up
  end

  def self.down
    raise ActiveRecord::IrreversibleMigration
  end
end
eof
    create_file file_name(migration), file_contents
    puts "Created migration #{file_name migration}"
  end

  def create_file file, contents
    path = File.dirname(file)
    FileUtils.mkdir_p path unless File.exists? path
    File.open(file, 'w') { |f| f.write contents }
  end

  def file_name migration
    File.join 'db/migrate', "#{Time.now.utc.strftime '%Y%m%d%H%M%S'}_#{migration}.rb"
  end

  def class_name str
    str.split('_').map { |s| s.capitalize }.join
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
standalone_migrations-1.0.0	lib/tasks/standalone_migrations.rb