class RSpec::Core::RakeTask

def blank
  lambda {|s| s.nil? || s == ""}
end

def deprecate deprecated, opts = {}
  # unless RSpec is loaded, deprecate won't work (simply requiring the
  # deprecate file isn't enough) so this is a check for "is rspec already
  # loaded?" "ok use the main deprecate hook" otherwise "simple fallback"
  # Note that we don't need rspec to be loaded for the rake task to work
  if RSpec.respond_to?(:deprecate)
    RSpec.deprecate deprecated, opts
  else
    warn "DEPRECATION: #{deprecated} is deprecated."
  end
end

def files_to_run
  if ENV['SPEC']
    FileList[ ENV['SPEC'] ].sort
  else
    FileList[ pattern ].sort.map { |f| shellescape(f) }
  end
end

def gemfile=(*)
  deprecate("RSpec::Core::RakeTask#gemfile=", :replacement => 'ENV["BUNDLE_GEMFILE"]')
end

def initialize(*args, &task_block)
  setup_ivars(args)
  desc "Run RSpec code examples" unless ::Rake.application.last_comment
  task name, *args do |_, task_args|
    RakeFileUtils.send(:verbose, verbose) do
      task_block.call(*[self, task_args].slice(0, task_block.arity)) if task_block
      run_task verbose
    end
  end
end

def rcov
  deprecate("RSpec::Core::RakeTask#rcov")
  @rcov
end

def rcov=(true_or_false)
  deprecate("RSpec::Core::RakeTask#rcov=")
  @rcov = true_or_false
end

def rcov_opts
  deprecate("RSpec::Core::RakeTask#rcov_opts")
  @rcov_opts
end

def rcov_opts=(opts)
  deprecate("RSpec::Core::RakeTask#rcov_opts=")
  @rcov_opts = opts
end

def rcov_path
  deprecate("RSpec::Core::RakeTask#rcov_path")
  @rcov_path
end

def rcov_path=(path)
  deprecate("RSpec::Core::RakeTask#rcov_path=")
  @rcov_path = path
end

def run_task(verbose)
  command = spec_command
  begin
    puts command if verbose
    success = system(command)
  rescue
    puts failure_message if failure_message
  end
  abort("#{command} failed") if fail_on_error unless success
end

def runner
  @rcov ? @rcov_path : rspec_path
end

def setup_ivars(args)
  @name = args.shift || :spec
  @rcov_opts, @ruby_opts, @rspec_opts = nil, nil, nil
  @warning, @rcov = false, false
  @verbose, @fail_on_error = true, true
  @rcov_path  = 'rcov'
  @rspec_path = 'rspec'
  @pattern    = './spec{,/*/**}/*_spec.rb'
end

def shellescape(string)
  string.shellescape
end

def shellescape(string)
  string.gsub(/"/, '\"').gsub(/'/, "\\\\'")
end

def skip_bundler=(*)
  deprecate("RSpec::Core::RakeTask#skip_bundler=")
end

def spec_command
  cmd_parts = []
  cmd_parts << RUBY
  cmd_parts << ruby_opts
  cmd_parts << "-w" if @warning
  cmd_parts << "-S" << runner
  cmd_parts << "-Ispec:lib" << @rcov_opts if @rcov
  cmd_parts << files_to_run
  cmd_parts << "--" if @rcov && rspec_opts
  cmd_parts << rspec_opts
  cmd_parts.flatten.reject(&blank).join(" ")
end

def spec_opts=(opts)
  deprecate('RSpec::Core::RakeTask#spec_opts=', :replacement => 'rspec_opts=')
  @rspec_opts = opts
end

def warning=(true_or_false)
  deprecate("RSpec::Core::RakeTask#warning=", :replacement => 'ruby_opts="-w"')
  @warning = true_or_false
end