A set of rake tasks for clearing, compiling and generating stats on your Sass stylesheets (Compass required).

styles.rake

namespace :styles do
  
  # STATS
  
  desc "Generate stats"
  task :stats => ["stats:default"]

  namespace :stats do

    task :default do
      puts "*** Generating stats ***"
      system "compass stats"
    end

    desc "Create a log of the stats in 'app/stylesheets/stats'"
    task :log do
      t = DateTime.now
      filename = "stats-#{t.strftime("%Y%m%d")}-#{t.strftime("%H%M%S")}.log"
      log_dir = "log/sass"
      puts "*** Logging stats ***"
      system "compass stats > #{log_dir}/#{filename}"
      puts "Created #{log_dir}/#{filename}"
    end
    
  end
  
  # COMPILING
  
  desc "Clear the styles"
  task :clear => ["compile:clear"]
  
  desc "Compile new styles"
  task :compile => ["compile:default"]

  namespace :compile do
    
    task :clear do
      puts "*** Clearing styles ***"
      system "rm -Rfv public/stylesheets/compiled/*"
    end

    task :default => :clear do
      puts "*** Compiling styles ***"
      system "compass compile"
    end

    desc "Compile new styles for production"
    task :production => :clear do
      puts "*** Compiling styles ***"
      system "compass compile --output-style compressed --force"
    end

  end
  
  # VALIDATIONS
  
  desc "Validates the emmited CSS stylesheets"
  task :validate => ["validate:default"]

  namespace :validate do
    
    task :default do
      puts "*** Validating the emmited CSS stylesheets ***"
      system "compass validate ."
    end

    desc "Create a log of the validation"
    task :log do
      t = DateTime.now
      filename = "validate-#{t.strftime("%Y%m%d")}-#{t.strftime("%H%M%S")}.log"
      log_dir = "log/sass"
      puts "*** Logging the validation ***"
      system "compass validate . > #{log_dir}/#{filename}"
      puts "Created #{log_dir}/#{filename}"
    end
    
  end
  
end