class Command

Describe a command

Command is able to run itself.

Attributes

config[R]

@return [Hash]

parts[R]

@return [Array<String>]

Private Class Methods

new(command, config = {}, extra = nil) click to toggle source

@param [Array<String>] command @param [Hash] config @param [String|nil] extra

# File lib/kamaze/docker_image/command.rb, line 23
def initialize(command, config = {}, extra = nil)
  command.clone.to_a.tap do |c|
    extras = Shellwords.split(extra.to_s).compact
    @parts = c.push(*extras).freeze
  end

  config.clone.to_h.tap do |c|
    @config = c.freeze
  end
end

Private Instance Methods

call(&block)

Alias for: run

execute() click to toggle source

@return [Boolean]

# File lib/kamaze/docker_image/command.rb, line 51
def execute
  system(*self.to_a)
end

run(&block) click to toggle source

# File lib/kamaze/docker_image/command.rb, line 44
def run(&block)
  sh(*self.to_a, &block)
end

Also aliased as: call

sh(*cmd, &block) click to toggle source

@see github.com/ruby/rake/blob/124a03bf4c0db41cd80a41394a9e7c6426e44784/lib/rake/file_utils.rb#L43

# File lib/kamaze/docker_image/command.rb, line 73
def sh(*cmd, &block)
  options = cmd.last.is_a?(Hash) ? cmd.pop : {}
  options[:verbose] = config[:verbose] unless options.key?(:verbose)

  utils.sh(*cmd.map(&:to_s).push(options), &block)
end

to_a() click to toggle source

@return [Array<String>]

# File lib/kamaze/docker_image/command.rb, line 35
def to_a
  parts.clone
end

to_s() click to toggle source

@return [String]

# File lib/kamaze/docker_image/command.rb, line 40
def to_s
  Shellwords.join(self.to_a)
end

utils() click to toggle source

Get utils.

return [Class]

# File lib/kamaze/docker_image/command.rb, line 63
def utils
  if Gem::Specification.find_all_by_name('rake')
    require 'rake'
    require 'rake/file_utils'
  end

  Class.new { include FileUtils }.new
end