CakePHP Rakefile...wait, what?

Rakefile

# A Rakefile I use to ease the pain of working with CakePHP.
# Put this in your app/ directory.

APP_DIR     = File.dirname(__FILE__)
CAKE_DIR    = File.join(File.dirname(__FILE__), '..', 'cake')
CONSOLE_DIR = File.join(CAKE_DIR, 'console')

task :default => 'notes:todo'

desc 'Open the CakePHP console'
task :console do
  cake('console')
end

namespace :db do
  desc 'Open a MySQL shell using the default connection'
  task :console do
    File.open("#{APP_DIR}/config/database.php") do |f|
      # Read the config file.
      config = f.read
      # Grab the database connection info.
      host     = fetch_from(config, 'host')
      login    = fetch_from(config, 'login')
      password = fetch_from(config, 'password')
      database = fetch_from(config, 'database')
      # Now open a database shell.
      sh "mysql -h #{host} -u #{login} --password='#{password}' -D #{database}"
    end
  end

  desc 'Load the fixtures'
  task :fixtures do
    cake('fixtures')
  end

  desc 'Migrate the database schema'
  task :migrate do
    cake('schema run create')
  end

  desc 'Run the migrations and load the fixtures'
  task :setup do
    Rake::Task['db:migrate'].invoke
    Rake::Task['db:fixtures'].invoke
  end
end

desc 'Open the CakePHP bake console'
task :bake do
  cake('bake')
end

desc 'List all FIXME and TODO notes'
task :notes do
  Rake::Task['notes:fixme'].invoke
  puts '-' * 40
  Rake::Task['notes:todo'].invoke
end

namespace :notes do
  desc 'List FIXME notes'
  task :fixme do
    grep_for('FIXME')
  end

  desc 'List TODO notes (default task)'
  task :todo do
    grep_for('TODO')
  end
end

desc 'Run unit tests'
task :test do
  cake('testsuite app all')
end

private

# Run a CakePHP console command.
def cake(command)
  sh "#{CONSOLE_DIR}/cake #{command}"
end

# Grep for +tag+ in the current dir, excluding this Rakefile.
def grep_for(tag)
  find_cmd = "find #{APP_DIR} \\! -name Rakefile -type f"
  find_cmd << " -exec grep -Hn --color #{tag} \{\} \\;"
  sh find_cmd
end

# Return the given key's value from the (PHP) config file.
# This will read through the config string looking for
# 'key' => 'value' pairs in the PHP array.  Then, it
# will strip newlines, spaces, and substitute any quotes.
#
# Yes, completely hackish.
def fetch_from(config, key)
  value = config.grep(/'#{key}' => (\w*)/).first.split('=>')[1]
  value.gsub!(',', '').gsub!("'", '').chomp!.strip!
  value
end