Class: CookbookCreator::ConfigLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/cookbook_creator/config_loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(explicit_config_file, logger = nil) ⇒ ConfigLoader

Returns a new instance of ConfigLoader.



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# File 'lib/cookbook_creator/config_loader.rb', line 20

def initialize(explicit_config_file, logger=nil)
  @explicit_config_file = explicit_config_file
  @generator_config_dir = nil
  @config_location = nil
  @logger = logger || NullLogger.new
end

Instance Attribute Details

#explicit_config_file ⇒ Object

Path to a config file requested by user, (e.g., via command line option). Can be nil



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# File 'lib/cookbook_creator/config_loader.rb', line 18

def explicit_config_file
  @explicit_config_file
end

Instance Method Details

#config_location ⇒ Object 



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# File 'lib/cookbook_creator/config_loader.rb', line 31

def config_location
  @config_location ||= (explicit_config_file || locate_local_config)
end

#env ⇒ Object

(Private API, public for test purposes)



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# File 'lib/cookbook_creator/config_loader.rb', line 65

def env
  ENV
end

#generator_config_dir ⇒ Object 



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# File 'lib/cookbook_creator/config_loader.rb', line 35

def generator_config_dir
  if @generator_config_dir.nil?
    @generator_config_dir = false
    full_path = working_directory.split(File::SEPARATOR)
    (full_path.length - 1).downto(0) do |i|
      candidate_directory = File.join(full_path[0..i] + [".generator"])
      if File.exist?(candidate_directory) && File.directory?(candidate_directory)
        @generator_config_dir = candidate_directory
        break
      end
    end
  end
  @generator_config_dir
end

#load ⇒ Object 



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# File 'lib/cookbook_creator/config_loader.rb', line 50

def load
  # Ignore it if there's no explicit_config_file and can't find one at a
  # default path.
  return false if config_location.nil?

  if explicit_config_file && !path_exists?(config_location)
    raise "Specified config file #{config_location} does not exist"
  end

  # Have to set Config.config_file b/c other config is derived from it.
  Config.config_file = config_location
  read_config(IO.read(config_location), config_location)
end

#no_config_found? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cookbook_creator/config_loader.rb', line 27

def no_config_found?
  config_location.nil?
end

#path_exists?(path) ⇒ Boolean

(Private API, public for test purposes)

Returns:

  • (Boolean) 


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# File 'lib/cookbook_creator/config_loader.rb', line 70

def path_exists?(path)
  Pathname.new(path).expand_path.exist?
end