Rakefile。 coffeeとsassのwatchするタスクと、 schemaSpyするタスク。 cakephpなんかのときに。

rake_config.yml

# path は絶対でも相対でもok
defaults: &defaults
  schema_spy:
    jar: 'vendors/java/schemaSpy/schemaSpy_5.0.0.jar'
    driver: 'vendors/java/mysql/mysql-connector-java-5.1.24-bin.jar'
    output: 'app/Config/Schema/Apps/Analysis'
  coffee:
    targets:
      - app/webroot/js/coffee:app/webroot/js/app.js
      - app/webroot/backend/js/coffee:app/webroot/backend/js/app.js
  sass:
    targets:
      - app/webroot/css/app.scss:app/webroot/css/app.css

develop:
  <<: *defaults

test:
  <<: *defaults

production:
  <<: *defaults

Rakefile

# -*- coding: utf-8 -*-
require 'yaml'
require 'json'

# 設定読み込み
@dir = File.dirname(__FILE__)
@env = ENV['APPLICATION_ENV'] || 'develop'
@config = YAML.load_file(ENV['RAKE_CONFIG_YAML'] || 'config/rake_config.yml')[@env] || {}
@db_config = JSON.load `php -r "require_once('app/Config/database.php'); echo json_encode((new DATABASE_CONFIG())->#{@env});"`


# default
task :default => ['assets:watch']

namespace :db do
  namespace :schema do
    desc "analyze schema with schemaSpy"
    task :analyze do
      spy_config = @config['schema_spy']

      cmd = <<-CMD.gsub /\s{2,}/, ' '
        java \
          -jar #{File.expand_path(spy_config['jar'], @dir)} \
          -dp #{File.expand_path(@spy_config['driver'], @dir)} \
          -t mysql \
          -db #{@db_config['database']} \
          -host #{@db_config['host']} \
          -port #{@db_config['port'] || 3306} \
          -u #{@db_config['login']} \
          #{"-p #{@db_config['password']}" unless @db_config['password'].empty?} \
          -charset UTF-8 \
          -o #{File.expand_path(spy_config['output'], @dir)}
      CMD
      
      puts "**command**"
      puts cmd
      puts "\n"

      puts "**output**"
      exec cmd
    end
  end
end

namespace 'assets' do
  desc 'watch & compile coffee scripts & sass files'
  task :watch do
    commands = []
    sass_targets = @config['sass'] && @config['sass']['targets'] || []
    coffee_targets = @config['coffee'] && @config['coffee']['targets'] || []

    # sass
    commands << "sass --watch #{sass_targets.join(' ')}" unless sass_targets.empty?

    # coffee
    commands += coffee_targets.map do |target|
      target, output = target.split ':'
      output_options = if output
        "-#{File.extname(output) == '.js' && File.extname(target).empty? ? 'j' : 'o'} #{output}"
      end
      "coffee #{output_options} -wc #{target}"
    end

    pids = commands.compact.map do |cmd|
      puts "**command** #{cmd}"
      Process.fork{ exec cmd }
    end
    Signal.trap(:TERM) { Process.kill(:QUIT, *pids) }
    Signal.trap(:INT)  { Process.kill(:QUIT, *pids) }
    Process.waitall
    puts ""
  end
end