Method: Webby::Apps::Generator#parse

Defined in:
lib/webby/apps/generator.rb

#parse(args) ⇒ Object

Parse out the command line options found in the args array.



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# File 'lib/webby/apps/generator.rb', line 67

def parse( args )
  opts = OptionParser.new
  opts.banner = 'Usage: webby-gen [options] template site'

  opts.separator ''
  opts.separator 'The webby-gen command is used to generate a site from a standard template.'
  opts.separator 'A new site can be created, or an existing site can be added to or updated.'

  opts.separator ''
  opts.on('-f', '--force',
          'overwrite files that already exist') {options[:collision] = :force}
  opts.on('-s', '--skip',
          'skip files that already exist') {options[:collision] = :skip}
  opts.on('-u', '--update',
          'update rake tasks for the site') {options[:update] = true}
  opts.on('-p', '--pretend',
          'run but do not make any changes') {options[:pretend] = true}

  opts.separator ''
  opts.on('-t', '--templates', 'list available templates') {
    ary = templates.map {|t| ::File.basename(t)}
    ary.delete 'webby'
    puts "\nAvailable Templates"
    puts "    #{ary.join(', ')}"
    puts
    exit
  }

  opts.separator ''
  opts.separator 'common options:'

  opts.on( '-h', '--help', 'show this message' ) {puts opts; exit}
  opts.on( '--version', 'show version' ) do
    puts "Webby #{::Webby::VERSION}"
    exit
  end

  # parse the command line arguments
  opts.parse! args
  tmpl, @site = args

  # if no site was given, see if there is a Sitefile in the current
  # directory
  if site.nil?
    self.site = '.' if test(?f, 'Sitefile')
  end

  # exit if comand line args are missing
  if site.nil? or tmpl.nil?
    puts opts
    exit 1
  end

  templates.each {|t| self.template = t if t =~ %r/\/#{tmpl}$/}
  if template.nil?
    puts opts
    abort "Could not find template '#{tmpl}'"
  end

  nil
end