Execute commands from CLI to perform specfic Grunt task(s) after Compass compilation

compass cli callback

# Add this to your Compass config.rb to perform a Grunt-specific task after Compass
# compiles your Sass.

# see if a shell command exists
def which(cmd)
  exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
  ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
    exts.each { |ext|
      exe = File.join(path, "#{cmd}#{ext}")
      return exe if File.executable? exe
    }
  end
  return nil
end

# Callback for triggering grunt-related tasks
on_stylesheet_saved do |filename|
  rel = filename.split(Dir.pwd.to_s)[1].sub('/', '')
  
  if which('grunt') != nil
    # Change the grunt command to anything you want
    system("grunt compass:minify --file=#{rel}")
  else 
    puts 'Please install Node.JS w/ Grunt to fire Compass compile callback to minify production version of CSS file'
  end
end

# PS I suck at Ruby.