Class: LibyearBundler::Options

Inherits:
Object
  • Object
show all
Defined in:
lib/libyear_bundler/options.rb

Overview

Uses OptionParser from Ruby’s stdlib to hand command-line arguments

Constant Summary collapse 

<<-BANNER.freeze
Usage: libyear-bundler [Gemfile ...] [options]
https://github.com/jaredbeck/libyear-bundler/
BANNER

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Options

Returns a new instance of Options.



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# File 'lib/libyear_bundler/options.rb', line 14

def initialize(argv)
  @argv = argv
  @options = ::OpenStruct.new
  @optparser = OptionParser.new do |opts|
    opts.banner = BANNER
    opts.program_name = 'libyear-bundler'
    opts.version = ::LibyearBundler::VERSION
    @options.send('libyears?=', true)

    opts.on_head('-h', '--help', 'Prints this help') do
      puts opts
      exit
    end

    opts.on('--all', 'Calculate all metrics') do
      @options.send('libyears?=', true)
      @options.send('releases?=', true)
      @options.send('versions?=', true)
    end

    opts.on('--cache=CACHE_PATH', 'Use a cache across runs') do |cache_path|
      @options.cache_path = cache_path
    end

    opts.on('--libyears', '[default] Calculate libyears out-of-date') do
      @options.send('libyears?=', true)
    end

    opts.on('--releases', 'Calculate number of releases out-of-date') do
      @options.send('libyears?=', false)
      @options.send('releases?=', true)
    end

    opts.on('--versions', 'Calculate major, minor, and patch versions out-of-date') do
      @options.send('libyears?=', false)
      @options.send('versions?=', true)
    end

    opts.on('--grand-total', 'Return value for given metric(s)') do
      @options.send('grand_total?=', true)
    end
  end
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/libyear_bundler/options.rb', line 58

def parse
  @optparser.parse!(@argv)
  @options
rescue OptionParser::InvalidOption => e
  warn e
  warn @optparser.help
  exit ::LibyearBundler::CLI::E_INVALID_CLI_ARG
end