_config.yml

destination: ./public
exclude: ['scss','Gem*','Guard*','*.rb','.sass-cache','.git']

Gemfile

# ~/Gemfile

source "http://rubygems.org"

group :development do
  # CSS Preprocessing
	gem 'sass'
	gem 'compass'
	gem 'jekyll'

	# Guard Specific
	gem 'guard'
	gem 'guard-compass'      # Compile on sass/scss change.
	gem 'guard-jekyll'	 # Jekyll.
	gem 'guard-jekyll-plus'	 # Jekyll Plus.
	gem 'guard-livereload'   # Browser reload.
	gem 'yajl-ruby'          # Faster JSON with LiveReload in the browser.
end

Guardfile

# ~/.GuardFile

notification :off

# Sass/Compass https://github.com/guard/guard-compass
if File.exists?("./config.rb")
  guard :compass do
    watch(%r{(.*)\.s[ac]ss$})
  end
end

# Jekyll
guard 'jekyll-plus', :config => ['_config.yml'] do
  watch /.*/
  ignore /public/
end

# LiveReload https://github.com/guard/guard-livereload
require 'find'
if Find.find(Dir.pwd).detect{|dir|dir=~/.+\.(css|html|js)$/}
  guard 'livereload', :grace_period => 0.5 do
    watch(%r{.+\.(css|html|js)$})
  end
end