Class: GLI::InitConfig

Inherits:
Command show all
Defined in:
lib/support/initconfig.rb

Overview

:nodoc:

Constant Summary collapse

COMMANDS_KEY = 
'commands'

Instance Attribute Summary

Attributes inherited from CommandLineToken

#aliases, #description, #long_description, #name

Instance Method Summary collapse

Methods inherited from Command

#action, #arg_name, #arguments_description, #clear_nexts, #default_value, #desc, #flag, #flags, #long_desc, name_as_string, #names, #skips_post, #skips_pre, #switch, #switches, #usage

Methods included from CopyOptionsToAliases

#copy_options_to_aliases

Methods inherited from CommandLineToken

#<=>, #usage

Constructor Details

#initialize(config_file_name) ⇒ InitConfig

Returns a new instance of InitConfig.



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# File 'lib/support/initconfig.rb', line 9

def initialize(config_file_name)
  @filename = config_file_name
  super(:initconfig,"Initialize the config file using current global options",nil,'Initializes a configuration file where you can set default options for command line flags, both globally and on a per-command basis.  These defaults override the built-in defaults and allow you to omit commonly-used command line flags when invoking this program')

  self.desc 'force overwrite of existing config file'
  self.switch :force
end

Instance Method Details

#execute(global_options, options, arguments) ⇒ Object 



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# File 'lib/support/initconfig.rb', line 17

def execute(global_options,options,arguments)
  if options[:force] || !File.exist?(@filename)
    config = global_options
    config[COMMANDS_KEY] = {}
    GLI.commands.each do |name,command|
      if (command != self) && (name != :rdoc) && (name != :help)
        config[COMMANDS_KEY][name.to_sym] = {} if command != self
      end
    end
    File.open(@filename,'w', 0600) do |file|
      YAML.dump(config,file)
    end
  else
    raise "Not overwriting existing config file #{@filename}, use --force to override"
  end
end