Use rake task in sinatra/activerecord/rake

Rakefile

@@ -16,39 +16,6 @@ task "db:drop" do
   rm_f 'db/db.sqlite3'
 end
 
-task 'db:create_migration' do
-  unless ENV["NAME"]
-    puts "No NAME specified. Example usage: `rake db:create_migration NAME=create_users`"
-    exit
-  end
-
-  name    = ENV["NAME"]
-  version = ENV["VERSION"] || Time.now.utc.strftime("%Y%m%d%H%M%S")
-
-  ActiveRecord::Migrator.migrations_paths.each do |directory|
-    next unless File.exist?(directory)
-    migration_files = Pathname(directory).children
-    if duplicate = migration_files.find { |path| path.basename.to_s.include?(name) }
-      puts "Another migration is already named \"#{name}\": #{duplicate}."
-      exit
-    end
-  end
-
-  filename = "#{version}_#{name}.rb"
-  dirname  = ActiveRecord::Migrator.migrations_path
-  path     = File.join(dirname, filename)
-
-  FileUtils.mkdir_p(dirname)
-  File.write path, <<-MIGRATION.strip_heredoc
-    class #{name.camelize} < ActiveRecord::Migration
-      def change
-      end
-    end
-  MIGRATION
-
-  puts path
-end
-
 desc 'Retrieves the current schema version number'
 task "db:version" do
   puts "Current version: #{ActiveRecord::Migrator.current_version}"