class Gem::Tasks::Task

def bundle(command,*arguments)
  run 'bundler', command, *arguments
end

def gem(command,*arguments)
  if defined?(Bundler)
    Bundler.with_original_env do
      run 'gem', command, *arguments
    end
  else
    run 'gem', command, *arguments
  end
end

def gemspec_tasks(prefix)
  namespaced_tasks prefix, @project.gemspecs.keys
end

def initialize
  @project = Project.directories[Dir.pwd]
end

def invoke(name)
  Rake.application[name].invoke
end

def namespaced_tasks(prefix,subtasks)
  task prefix => subtasks.map { |subtask| "#{prefix}:#{subtask}" }
end

def run(command,*arguments)
  show_command = [command, *arguments].join(' ')
  debug show_command
  unless system(command,*arguments)
    error "Command failed: #{show_command}"
    abort
  end
  return true
end

def task?(name)
  Rake::Task.task_defined?(name)
end