task “load_app” do

namespace :app do
  load APP_RAKEFILE
end
task :environment => "app:environment"

if !defined?(ENGINE_PATH) || !ENGINE_PATH
  ENGINE_PATH = find_engine_path(APP_RAKEFILE)
end

end

def app_task(name)

task name => [:load_app, "app:db:#{name}"]

end

namespace :db do

app_task "reset"

desc "Migrate the database (options: VERSION=x, VERBOSE=false)."
app_task "migrate"
app_task "migrate:up"
app_task "migrate:down"
app_task "migrate:redo"
app_task "migrate:reset"

desc "Display status of migrations"
app_task "migrate:status"

desc 'Create the database from config/database.yml for the current Rails.env (use db:create:all to create all dbs in the config)'
app_task "create"
app_task "create:all"

desc 'Drops the database for the current Rails.env (use db:drop:all to drop all databases)'
app_task "drop"
app_task "drop:all"

desc "Load fixtures into the current environment's database."
app_task "fixtures:load"

desc "Rolls the schema back to the previous version (specify steps w/ STEP=n)."
app_task "rollback"

desc "Create a db/schema.rb file that can be portably used against any DB supported by AR"
app_task "schema:dump"

desc "Load a schema.rb file into the database"
app_task "schema:load"

desc "Load the seed data from db/seeds.rb"
app_task "seed"

desc "Create the database, load the schema, and initialize with the seed data (use db:reset to also drop the db first)"
app_task "setup"

desc "Dump the database structure to an SQL file"
app_task "structure:dump"

desc "Retrieves the current schema version number"
app_task "version"

end

def find_engine_path(path)

return if path == "/"

if Rails::Engine.find(path)
  path
else
  find_engine_path(File.expand_path('..', path))
end

end

Rake.application.invoke_task(:load_app)