Module: MotionProvisioning::Utils

Defined in:
lib/motion-provisioning/utils.rb

Defined Under Namespace

Classes: Answer

Class Method Summary collapse

Class Method Details

.ask(what, question) ⇒ Object 



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# File 'lib/motion-provisioning/utils.rb', line 29

def ask(what, question)
  what = "\e[1m" + what.rjust(10) + "\e[0m" # bold
  $stderr.print(what(what) + ' ' + question + ' ')
  $stderr.flush

  result = $stdin.gets
  result.chomp! if result
  Answer.new(result)
end

.ask_password(what, question) ⇒ Object 



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# File 'lib/motion-provisioning/utils.rb', line 39

def ask_password(what, question)
  require 'io/console' # needed for noecho

  # Save current buffering mode
  buffering = $stderr.sync

  # Turn off buffering
  $stderr.sync = true
  `stty -icanon`

  begin
    $stderr.print(what(what) + ' ' + question + ' ')
    $stderr.flush
    pw = ""

    $stderr.noecho do
      while ( char = $stdin.getc ) != "\n" # break after [Enter]
        putc "*"
        pw << char
      end
    end
  ensure
    print "\n"
  end

  # Restore original buffering mode
  $stderr.sync = buffering

  `stty -icanon`
  pw
end

.log(what, msg) ⇒ Object 



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# File 'lib/motion-provisioning/utils.rb', line 20

def log(what, msg)
  require 'thread'
  @print_mutex ||= Mutex.new
  # Because this method can be called concurrently, we don't want to mess any output.
  @print_mutex.synchronize do
    $stderr.puts(what(what) + ' ' + msg)
  end
end

.what(what) ⇒ Object 



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# File 'lib/motion-provisioning/utils.rb', line 71

def what(what)
  "\e[1m" + what.rjust(10) + "\e[0m" # bold
end