Method: CloudFlock::App#parse_options

Defined in:
lib/cloudflock/app.rb

#parse_options(options = {}) ⇒ Object

Public: Parse options and expose global options which are expected to be useful in any CLI application.

options - Hash containing already-set options.

Yields the OptionsParser object in use if a block is given.

Returns a Hash.



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# File 'lib/cloudflock/app.rb', line 101

def parse_options(options = {})
  opts = OptionParser.new

  yield opts if block_given?

  opts.separator ''
  opts.separator 'Global Options:'

  opts.on('-c', '--config FILE', 'Specify configuration file') do |file|
    options[:config_file] = File.expand_path(file)
  end

  opts.on_tail('--version', 'Show Version Information') do
    puts "CloudFlock v#{CloudFlock::VERSION}"
    exit
  end

  opts.on_tail('-?', '--help', 'Show this Message') do
    puts opts
    exit
  end

  opts.parse!(ARGV)

  load_config_if_present(options)
rescue OptionParser::MissingArgument, OptionParser::InvalidOption => error
  puts error.message.capitalize
  puts
  ARGV.clear
  ARGV.unshift('-?')
  retry
end