New RubyInstaller MSYS Recipe

msys.rake

OneClick::Package.new('msys', '1.0.11') do
  # MSYS core and updated packages
  download 'http://downloads.sourceforge.net/mingw/msysCORE-1.0.11-20080826.tar.gz'
  download 'http://downloads.sourceforge.net/mingw/findutils-4.3.0-MSYS-1.0.11-3-bin.tar.gz'
  download 'http://downloads.sourceforge.net/mingw/MSYS-1.0.11-20090120-dll.tar.gz'
  download 'http://downloads.sourceforge.net/mingw/tar-1.19.90-MSYS-1.0.11-2-bin.tar.gz'

  # This action will be executed every time the package is invoked
  # (by dependency or directly)
  after :extract do |pkg|
    sh File.join(pkg.source_dir, 'bin', 'make.exe'), '--version'
  end

  # This action will only be executed once, since is marked as persistent
  after :extract, :persist => true do |pkg|
    # ...
  end
end

# MSYS uses version defined above
task 'msys' => ['msys:1.0.11']