Class: Nifty::CommandExecutioner

Inherits:
Thor
  • Object
show all
Defined in:
lib/nifty/command_executioner.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.available_backends ⇒ Array

List all available backends



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# File 'lib/nifty/command_executioner.rb', line 36

def available_backends
  constants = Nifty::Backends.constants.map { |sym| sym.to_s.downcase }
  constants.select! do |constant|
    unknown = Nifty::Backends.const_get(constant.camelize)

    unknown.respond_to?('backend?') && unknown.backend?
  end

  constants.sort
end

.available_transfer_methods(backend) ⇒ Array

List all available transfer methods for the backend



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# File 'lib/nifty/command_executioner.rb', line 17

def available_transfer_methods(backend)
  unless Nifty::TransferMethods.constants.include? backend.camelize.to_sym
    fail Nifty::CommandExecutionError, "No backend with name '#{backend}'"
  end

  clazz = "Nifty::TransferMethods::#{backend.camelize}".constantize
  constants = clazz.constants.map { |sym| sym.to_s.downcase }
  constants.select! do |constant|
    unknown = clazz.const_get(constant.camelize)

    unknown.respond_to?('transfer_method?') && unknown.transfer_method?
  end

  constants.sort
end

.exit_on_failure? ⇒ TrueClass, FalseClass

Force Thor to exit with a non-zero return value on failure (after ‘exit` is called).



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# File 'lib/nifty/command_executioner.rb', line 9

def exit_on_failure?
  true
end

Instance Method Details

#backends ⇒ Object 



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# File 'lib/nifty/command_executioner.rb', line 94

def backends
  backends = self.class.available_backends
  longest = backends.map { |backend| backend.length }.sort.last
  backends.each do |backend|
    $stdout.puts "%-#{longest + 2}s" % "#{backend}" + "# #{Nifty::Backends.const_get(backend.camelize).description}"
  end
end

#version ⇒ Object 



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# File 'lib/nifty/command_executioner.rb', line 89

def version
  $stdout.puts Nifty::VERSION
end