class Rake::Application

:nodoc:
have taken care of already.
recognised command-line options, which OptionParser.parse will
It should be the command line that was given to rake, less any
`args` is the list of arguments to peruse to get the list of tasks.

Environmental assignments are processed at this time as well.
given, return a list containing only the default task.
Collect the list of tasks on the command line. If no tasks are

def collect_command_line_tasks(args) # :nodoc:
  @top_level_tasks = []
  args.each do |arg|
    if arg =~ /^(\w+)=(.*)$/m
      ENV[$1] = $2
    else
      @top_level_tasks << arg unless arg =~ /^-/
    end
  end
  @top_level_tasks.push(default_task_name) if @top_level_tasks.empty?
end