Sha256: 3468c30df1114de33af1134cd5780a22e8a168a63012e4634296bef4107c7730
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Size: 1.39 KB
Versions: 3
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Stored size: 1.39 KB
Contents
require 'rake'
namespace :db do
desc "Migrate the database through scripts in db/migrations."
task :migrate => "mack:environment" do
require 'migration_runner'
include DataMapper::Types
DataMapper::MigrationRunner.reset!
migration_files.each { |mig| load mig }
DataMapper::MigrationRunner.migrate_up!
end # migrate
desc "Rolls the schema back to the previous version. Specify the number of steps with STEP=n."
task :rollback => ["mack:environment", "db:abort_if_pending_migrations"] do
require 'dm-core/types'
require 'migration_runner'
include DataMapper::Types
DataMapper::MigrationRunner.reset!
migration_files.each { |mig| load mig }
step = (ENV["STEP"] || 1).to_i
migrations = DataMapper::MigrationRunner.migrations.sort.reverse
step.times do |i|
migrations[migrations.size - (i + 1)].perform_down
end
end # rollback
desc "Raises an error if there are pending migrations."
task :abort_if_pending_migrations do
require 'dm-core/types'
require 'migration_runner'
migration_files.each { |mig| load mig }
DataMapper::MigrationRunner.migrations.each do |mig|
raise Mack::Errors::UnrunMigrations.new(mig.name) if mig.send("needs_up?")
end
DataMapper::MigrationRunner.migrations.clear
end
private
def migration_files
Dir.glob(File.join(Mack.root, "db", "migrations", "*.rb"))
end
end # db
Version data entries
3 entries across 3 versions & 1 rubygems