hooks.rb

module Rip
  module Commands
    # Runs ~/.rip/active/hooks/after-use after `rip use`
    # and ~/.rip/active/hooks/on-leave when moving to another env
    alias_method :rip_use, :use
    def use(*args)
      run_hook_if_exists('before-leave')
      rip_use(*args)
      run_hook_if_exists('after-use')
    end
    
    o 'rip hooks [edit|show] NAME'
    x 'Show or display hooks from the current environment'
    def hooks(options = {}, command = 'show', name = nil)
      if command == 'show'
        if name
          puts File.read(path_to_hook(name))
        else
          available_hooks = Dir[hook_dir + "/*"].map { |f| File.basename(f) }
          ui.abort "Please state which hook you want to show (available hooks: #{available_hooks.join(", ")})"
        end
      elsif command == 'edit'
        ui.abort "Please provide a hook to edit (i.e. after-use)" unless name
        exec "$EDITOR #{path_to_hook(name)}"
      end
    end

    private
    
    def run_hook_if_exists(name)
      hook = path_to_hook(name)
      exec hook if File.exists?(hook) && File.executable?(hook)
    end
    
    def path_to_hook(name)
      File.join(hook_dir, name)
    end
    
    def hook_dir
      File.join(Rip::Env.active_dir, 'rip-hooks')
    end
  end
end