Class: CdnFu::CommandLine

Inherits:
Object
  • Object
show all
Defined in:
lib/cdn_fu/executor.rb

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ CommandLine

Returns a new instance of CommandLine.



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# File 'lib/cdn_fu/executor.rb', line 6

def initialize(args)
  @args = args
  @options = {}
end

Instance Method Details

#parse! ⇒ Object 



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# File 'lib/cdn_fu/executor.rb', line 11

def parse!
  begin
    @opts = OptionParser.new do |opts|
      opts.banner = 'Usage: cdnfu [options]'
      opts.on('-c', '--config CONFIG' , 'a cdn fu configuration file') do |config|
        @options[:config] = config
      end

      opts.on('--rails RAILS_DIR', "Install CDN Fu from the gem into a rails project") do |dir|
        puts "Rails Install #{dir}"
        @options[:rails] = dir
      end

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

    @opts.parse!(@args)

    # Check for required arguments
    if !@options[:config] && !@options[:rails]
      puts @opts
      exit
    end

    if config_file = @options[:config]
      if File.exists?(config_file)
        Dir.chdir(File.dirname(config_file))
        eval(File.open(config_file).read)
        Config.config.prepare_and_upload
      else
        puts "Cannot find config file"
        exit
      end
    elsif rails_dir = @options[:rails]
      plugins_dir = File.join(rails_dir,"vendor","plugins")
      unless File.exists?(plugins_dir)
        puts "#{plugins_dir} doesn't exist.  Are you sure this is a rails project?"
        exit
      end

      cdn_fu_dir = File.join(plugins_dir,'cdn_fu')

      if File.exists?(cdn_fu_dir)
        print "Directory #{cdn_fu_dir} already exists, overwrite [y/N]?"
        exit if gets !~ /y/i
        FileUtils.rm_rf(cdn_fu_dir)
      end

      tasks_dir = File.join(cdn_fu_dir,'tasks')

      begin 
        Dir.mkdir(cdn_fu_dir)
        Dir.mkdir(tasks_dir)
      rescue SystemCallError
        puts "Cannot create #{cdn_fu_dir}"
        exit
      end

      File.open(File.join(cdn_fu_dir,'init.rb'), 'w') do |file|
        file << File.read(File.dirname(__FILE__) + "/../../rails/init.rb")
      end

      File.open(File.join(tasks_dir,'cdn_fu.rake'),'w') do |file|
        file << "require 'cdn_fu/tasks'"
      end

      puts "CDN Fu plugin added to #{rails_dir}"
      exit
    end
  rescue RuntimeError => e
    puts e
    e.backtrace.each do |line|
      puts line
    end
    exit
  end
end