Class: Bonethug::Watcher

Inherits:
Object
  • Object
show all
Includes:
Digest, FileUtils
Defined in:
lib/bonethug/watcher.rb

Class Method Summary collapse

Class Method Details

.watch(type = 'coffee_sass', target = '.', watch_only = nil) ⇒ Object 



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# File 'lib/bonethug/watcher.rb', line 21

def self.watch(type = 'coffee_sass', target = '.', watch_only = nil)

  # create full path

  target = File.expand_path target

  # load config

  puts "Parsing Config..."
  unless conf = Conf.new.add(target + '/config/cnf.yml')
    puts "Couldn't find project configuration"
    return
  end

  # project type

  project_type = conf.get('deploy.project_type')

  # end now if its a rails project

  if ['rails','rails3'].include? project_type
    puts "Rails doesn't require watching"
    return
  end

  sass = []
  if sasses = conf.get('watch.sass')
    sasses.each do |index, watch|
      sass.push(src: watch.get('src','Array'), dest: watch.get('dest'), filter: watch.get('filter'), type: :sass)
    end
  end

  coffee = []
  if coffees = conf.get('watch.coffee')
    coffees.each do |index, watch|
      coffee.push(src: watch.get('src','Array'), dest: watch.get('dest'), filter: watch.get('filter'), type: :coffee)
    end
  end

  # combine the watches

  watches = coffee + sass

  # Generate Guardfile

  puts 'Generating Guardfile...'

  guardfile_content = ''
  watches.each do |watch|

    case watch[:filter].class.name
    when 'NilClass'
      watch_val = ''
    when 'String'
      watch_val = "'#{watch[:filter]}'"
    when 'Regexp'
      watch_val = watch[:filter].inspect
    else
      raise "invalid filter type: " + watch[:filter].class.name
    end
    
    filter = watch[:filter] ? "watch #{watch_val}" : ""
    
    case type
    when 'sprockets'
      guardfile_content += "
        guard 'sprockets', :minify => true, :destination => '#{watch[:dest]}', :asset_paths => #{watch[:src].to_s} do
          #{filter}
        end
      "
    when 'sass_coffee', 'coffee_sass'
      if watch[:type] == :coffee
        guardfile_content += "
          guard :coffeescript, :minify => true, :output => '#{watch[:dest]}', :input => #{watch[:src].to_s} do
            #{filter}
          end
        "
      elsif watch[:type] == :sass
        guardfile_content += "
          guard :sass, :style => :compressed, :debug_info => true, :output => '#{watch[:dest]}', :input => #{watch[:src].to_s} do
            #{filter}
          end
        "
      end
    end

  end

  # save the guardfile

  guardfile = target + '/.bonethug/Guardfile'
  FileUtils.rm_rf guardfile
  File.open(guardfile,'w') do |file| 
    file.puts guardfile_content 
  end

  puts 'Starting Watch Daemon...'
  exec 'bundle exec guard --guardfile "' + target + '/.bonethug/Guardfile"'

end