Module: Watchcat::CLI

Defined in:

lib/watchcat/cli.rb,
lib/watchcat/cli/config.rb,
lib/watchcat/cli/watcher.rb,
lib/watchcat/cli/action_executor.rb

Defined Under Namespace

Classes: ActionExecutor, Config, Error, Watcher

Class Method Summary

• .parse(argv) ⇒ Object
• .start(argv) ⇒ Object

Class Method Details

.parse(argv) ⇒ Object

# File 'lib/watchcat/cli.rb', line 25

def parse(argv)
  options = { config: 'watchcat.yml' }
  OptionParser.new do |opts|
    opts.banner = "Usage: watchcat [options]"

    opts.on("-C", "--config PATH", "Path to the config file. Default is 'watchcat.yml'.") do |v|
      options[:config] = v
    end

    opts.on("--init PATH", "Generate a template config file at the specified path") do |v|
      options[:init] = v
    end

    opts.on("-h", "--help", "Show this help message") do
      puts opts
      exit
    end
  end.parse!(argv)

  if !options[:init] && options[:config].nil?
    raise OptionParser::MissingArgument.new("-C")
  end

  options
end

.start(argv) ⇒ Object

# File 'lib/watchcat/cli.rb', line 10

def start(argv)
  options = parse(argv)

  if options[:init]
    Config.generate_template(options[:init])
    return
  end

  config = Config.load(options[:config])
  watcher = Watcher.new(config)
  watcher.start
rescue => e
  raise Error, "Failed to start Watchcat: #{e.message}"
end