Class: Holodekk::Image::Instructions::Arg

Inherits:
Builder::Instruction show all
Defined in:
lib/holodekk/image/instructions/arg.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Builder::Instruction

#as_json, instruction_tag, tag, #tag, #to_json

Instance Attribute Details

#arg ⇒ Object

Returns the value of attribute arg.



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# File 'lib/holodekk/image/instructions/arg.rb', line 7

def arg
  @arg
end

#default ⇒ Object

Returns the value of attribute default.



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# File 'lib/holodekk/image/instructions/arg.rb', line 7

def default
  @default
end

Class Method Details

.build(arg, **kwargs) ⇒ Object 



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# File 'lib/holodekk/image/instructions/arg.rb', line 11

def self.build(arg, **kwargs)
  new({ arg: arg }.merge(kwargs))
end

Instance Method Details

#to_dockerfile ⇒ Object 



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# File 'lib/holodekk/image/instructions/arg.rb', line 15

def to_dockerfile
  builder = Docker::Dockerfile::InstructionBuilder.new(self)
  if default.nil?
    builder.raw_value(arg)
  else
    builder.key_pair(arg, default)
  end
  builder.output
end