Enable pretty runner on Windows (mina-deploy#705)

Author: lovro-bikic

lib/mina/runner.rb

@@ -8,7 +8,6 @@ class Runner
 
  def initialize(commands, backend)
  fail 'You must specify execution mode' if execution_mode.nil?
- fail 'Unsuported execution mode (pretty on windows)' if unsuported_execution_mode?
 
  @backend = backend
  @commands = commands
@@ -33,10 +32,6 @@ def script
  Mina::Backend.const_get(class_name_for(backend)).new(commands).prepare
  end
 
- def unsuported_execution_mode?
- execution_mode == :pretty && Gem::Platform.local.os == :windows
- end
-
  def class_name_for(symbol)
  symbol.to_s.split('_').map(&:capitalize).join
  end

spec/lib/mina/runner_spec.rb

@@ -11,12 +11,6 @@
  expect { described_class.new(nil, nil) }.to raise_error('You must specify execution mode')
  end
 
- it 'raises an error when run on windows and pretty print' do
- instance.set(:execution_mode, :pretty)
- allow(Gem::Platform.local).to receive(:os).and_return(:windows)
- expect { described_class.new(nil, nil) }.to raise_error('Unsuported execution mode (pretty on windows)')
- end
-
  it 'sets execution mode to printer if simulate is true' do
  instance.set(:execution_mode, :pretty)
  instance.set(:simulate, true)