Class: AppStack::CliOptions

Inherits:
Object
  • Object
show all
Defined in:
lib/app_stack/cli_options.rb

Overview

parse command line options based rubocop:disable MethodLength

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv = ARGV) ⇒ CliOptions

Returns a new instance of CliOptions.



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# File 'lib/app_stack/cli_options.rb', line 11

def initialize(argv = ARGV)
  parse_opt!(argv)
  case argv.size
  when 1 then self.conf_file = argv.shift
  when 0 then self.conf_file = nil
  else fail "too many configuration files (#{argv.join(', ')})."
  end
end

Instance Attribute Details

#conf_file ⇒ Object

Returns the value of attribute conf_file.



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# File 'lib/app_stack/cli_options.rb', line 9

def conf_file
  @conf_file
end

#force ⇒ Object

Returns the value of attribute force.



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# File 'lib/app_stack/cli_options.rb', line 9

def force
  @force
end

#recursive ⇒ Object

Returns the value of attribute recursive.



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# File 'lib/app_stack/cli_options.rb', line 9

def recursive
  @recursive
end

#simulate ⇒ Object

Returns the value of attribute simulate.



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# File 'lib/app_stack/cli_options.rb', line 9

def simulate
  @simulate
end

#verbose ⇒ Object

Returns the value of attribute verbose.



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# File 'lib/app_stack/cli_options.rb', line 9

def verbose
  @verbose
end

Instance Method Details

#parse_opt!(argv) ⇒ Object

parse command line options



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# File 'lib/app_stack/cli_options.rb', line 21

def parse_opt!(argv)
  opt_parser = OptionParser.new do |opts|
    opts.banner = 'Usage: appstack [options] [config_file]'

    opts.separator ''
    opts.separator 'Available options:'

    opts.on('-f', '--force', 'force overwrite') do
      self.force = true
    end

    opts.on('-s', '--simulate', 'simulate only, do not copy') do
      self.simulate = true
    end

    opts.on('-r', '--recursive', 'recursively stackup all apps') do
      self.recursive = true
    end

    opts.on('--verbose', 'show debug messages') do
      self.verbose = true
    end

    opts.on_tail('-h', '--help', 'show this message') do
      puts opts
      exit
    end

    opts.on_tail('-v', '--version', 'show version number') do
      puts AppStack::VERSION
      exit
    end
  end

  opt_parser.parse!(argv)
end