Method: ConfCtl::Cli::Command#require_args!

Defined in:
lib/confctl/cli/command.rb

#require_args!(*required, optional: [], strict: true) ⇒ Object

Parameters:

  • v (Array) —

    list of required arguments

  • optional (Array) (defaults to: []) —

    list of optional arguments

  • strict (Boolean) (defaults to: true) —

    do not allow more arguments than specified



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# File 'lib/confctl/cli/command.rb', line 41

def require_args!(*required, optional: [], strict: true)
  if args.count < required.count
    arg = required[args.count]
    raise GLI::BadCommandLine, "missing argument <#{arg}>"

  elsif strict && args.count > (required.count + optional.count)
    unknown = args[(required.count + optional.count)..]

    msg = ''

    msg << if unknown.count > 1
             'unknown arguments: '
           else
             'unknown argument: '
           end

    msg << unknown.join(' ')

    msg << ' (note that options must come before arguments)' if unknown.detect { |v| v.start_with?('-') }

    raise GLI::BadCommandLine, msg
  end
end